diff --git a/test/graphviz/graph_easy/graphviz_100.txt b/test/graphviz/graph_easy/graphviz_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7666631d5a03af2e3f9009f7f00a486a6973c586
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_100.txt
@@ -0,0 +1,10 @@
+<Applicant Tracking System Management, connectedTo, Recruiter Training>
+<Background Check, connectedTo, Applicant Tracking System Management>
+<Campus Recruitment, connectedTo, Freelancer Engagement>
+<Candidate Feedback Collection, connectedTo, Diversity Sourcing>
+<Diversity Sourcing, connectedTo, Candidate Feedback Collection>
+<Diversity Sourcing, connectedTo, Recruitment Analytics>
+<Freelancer Engagement, declines, Campus Recruitment>
+<Freelancer Engagement, optimizes, Candidate Feedback Collection>
+<Recruiter Training, tests, Social Recruiting>
+<Social Recruiting, advertises, Campus Recruitment>
diff --git a/test/graphviz/graph_easy/graphviz_102.dot b/test/graphviz/graph_easy/graphviz_102.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a9ee52b3a3499e1017e9f7ee57f809e9de78a0b7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_102.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TD
+	N0 [label="Social Recruiting" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N1 [label="Internal Mobility" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N2 [label=Headhunting color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N3 [label="Candidate Tracking" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N4 [label="Contingent Workforce Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=plaintext style=filled]
+	N5 [label="Interview Conducting" color="#4FC3F7" fillcolor="#E1F5FE" shape=folder style=filled]
+	N6 [label="Executive Search" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N7 [label="Employee Referral Program" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N8 [label="Reference Checking" color="#AF56A6" fillcolor="#DDCEDD" shape=oval style=filled]
+	N9 [label="Passive Candidate Engagement" color="#4FC3F7" fillcolor="#E1F5FE" shape=Mdiamond style=filled]
+	N10 [label="Candidate Assessment Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N11 [label="Job Description Creation" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N0 -> N1 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=reports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=builds color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=sources color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=selects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=matches color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=tracks color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N5 [label=educates color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_104.dot b/test/graphviz/graph_easy/graphviz_104.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3f05c2c106727c85fc469d69ccced79af00316ad
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_104.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TD
+	N0 [label="FAQ Management" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Service Recovery" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N2 [label="Sentiment Analysis" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N3 [label="Proactive Communication" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N4 [label="Live Chat Support" color="#BDBDBD" fillcolor="#F5F5F5" shape=plaintext style=filled]
+	N5 [label="Training Customer Service Agents" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N6 [label="Feedback Loop to Product Development" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N7 [label="Product Information Provision" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N8 [label="Customer Satisfaction Survey" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N0 -> N1 [label=reports color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=records color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=monitors color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=socials color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> N4 [label=satisfies color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_105.dot b/test/graphviz/graph_easy/graphviz_105.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c22b9acfa537548511651293b8089081513aa46a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_105.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Customer Retention Strategies" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N1 [label="Issue Escalation" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N2 [label="Virtual Assistant Interaction" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N3 [label="Feedback Loop to Product Development" color="#FFC2C2" fillcolor="#FFEBEB" shape=octagon style=filled]
+	N4 [label="Up_selling Opportunities" color="#CD8FF2" fillcolor="#ECCFF5" shape=folder style=filled]
+	N5 [label="Service Blueprinting" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N6 [label="Feedback Collection" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N7 [label="Customer Success Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N8 [label="Proactive Communication" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N9 [label="Customer Onboarding Support" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N10 [label="Product Information Provision" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [label=collects color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=processes color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=monitors color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=analyzes color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=surveys color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=diagnoses color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=educates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=assists color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> N9 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_107.txt b/test/graphviz/graph_easy/graphviz_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1111385d2075a7932e7b7e3cb476b2f6b26c9f52
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_107.txt
@@ -0,0 +1,13 @@
+<Blockchain for Traceability, connectedTo, Production Planning>
+<Freight Auditing, forecasts, Reverse Logistics>
+<Global Sourcing Strategy, designs, Risk Mitigation Strategies>
+<Logistics Optimization, connectedTo, Resilience Planning>
+<Production Planning, connectedTo, Global Sourcing Strategy>
+<Resilience Planning, connectedTo, Supply Chain Finance>
+<Reverse Logistics, connectedTo, Supply Chain Visibility>
+<Risk Mitigation Strategies, traceability, Supplier Selection>
+<Risk Mitigation Strategies, visualizes, Freight Auditing>
+<Supplier Selection, procures, Freight Auditing>
+<Supply Chain Finance, connectedTo, Global Sourcing Strategy>
+<Supply Chain Visibility, connectedTo, Logistics Optimization>
+<Vendor Managed Inventory, connectedTo, Blockchain for Traceability>
diff --git a/test/graphviz/graph_easy/graphviz_108.txt b/test/graphviz/graph_easy/graphviz_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a54ba6c5d19a4bcdcb082786696c76696563772
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_108.txt
@@ -0,0 +1,11 @@
+<Contract Manufacturing Oversight, connectedTo, Distribution Network Design>
+<Distribution Network Design, connectedTo, Warehouse Automation>
+<Logistics Optimization, mitigates, Order Fulfillment>
+<Material Flow Management, tracks, Hazardous Materials Handling>
+<Order Fulfillment, connectedTo, Procurement>
+<Order Fulfillment, connectedTo, Vendor Managed Inventory>
+<Procurement, transparency, Warehousing>
+<Supplier Selection, connectedTo, Contract Manufacturing Oversight>
+<Vendor Managed Inventory, connectedTo, Material Flow Management>
+<Warehouse Automation, risk, Logistics Optimization>
+<Warehousing, implements, Supplier Selection>
diff --git a/test/graphviz/graph_easy/graphviz_109.dot b/test/graphviz/graph_easy/graphviz_109.dot
new file mode 100644
index 0000000000000000000000000000000000000000..008162ed29691c3582ac4696ad041cea7c7a6f4f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_109.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Noise Management" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N1 [label="Asset Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=octagon style=filled]
+	N2 [label="Underground Mining Operations" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N3 [label=Reclamation color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N4 [label="Dust Control" color="#AF56A6" fillcolor="#DDCEDD" shape=octagon style=filled]
+	N5 [label="Crushing and Grinding" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N6 [label="Ore Extraction" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N7 [label="Core Logging" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N8 [label="Mine Closure Planning" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=transports color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=grades color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=refines color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=forecasts color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N1 -> N0 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N6 [label=tests color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_110.dot b/test/graphviz/graph_easy/graphviz_110.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dc59be390dffc11366d00cd84403c83bda0a56e2
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_110.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label=Exploration color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Ventilation System" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N2 [label="Safety Management" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N3 [label="Regulatory Compliance Reporting" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N4 [label="Drilling and Blasting" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N5 [label="Open Pit Mining Operations" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N6 [label="Resource Estimation" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N7 [label="Robotics in Mining" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N8 [label="Water Management" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=secures color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=markets color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=models color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=automates color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=funds color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N7 [label=monitors color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_110.txt b/test/graphviz/graph_easy/graphviz_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f378175bc7e5a7177f4d2507218a0cea4ead13e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_110.txt
@@ -0,0 +1,9 @@
+<Drilling and Blasting, connectedTo, Open Pit Mining Operations>
+<Drilling and Blasting, monitors, Robotics in Mining>
+<Exploration, connectedTo, Ventilation System>
+<Open Pit Mining Operations, models, Resource Estimation>
+<Regulatory Compliance Reporting, connectedTo, Drilling and Blasting>
+<Resource Estimation, automates, Robotics in Mining>
+<Robotics in Mining, funds, Water Management>
+<Safety Management, markets, Regulatory Compliance Reporting>
+<Ventilation System, secures, Safety Management>
diff --git a/test/graphviz/graph_easy/graphviz_112.dot b/test/graphviz/graph_easy/graphviz_112.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e465cdbe59d93ab31eaa059f3f2ac8397c28ea91
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_112.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Port Operations" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Dry Docking" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N2 [label="Inland Waterway Transport" color="#42A5F5" fillcolor="#F1F8FF" shape=Mdiamond style=filled]
+	N3 [label="Marine Research" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N4 [label="Search and Rescue Coordination" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N5 [label=Shipbuilding color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N6 [label="Marine Insurance" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N7 [label="Port Congestion Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N8 [label="Crew Management" color="#42A5F5" fillcolor="#F1F8FF" shape=oval style=filled]
+	N9 [label="Autonomous Vessels" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N10 [label="Pollution Control" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N0 -> N1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=monitors color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=inspects color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=equipment color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=loads color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=reports color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=certifies color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N9 [label=forecasts color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N5 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_114.dot b/test/graphviz/graph_easy/graphviz_114.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2dd61667c360aeac3d78b7a0d036d1f8d9c5c867
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_114.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label=Shipbuilding color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N1 [label="Hydrographic Surveying" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N2 [label="Ship Design" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N3 [label="Pollution Control" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Dry Docking" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N5 [label="Maritime Security" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N6 [label="Marine Safety Inspection" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N7 [label="Crew Management" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N8 [label="Offshore Operations" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N9 [label="Vessel Maintenance" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N0 -> N1 [label=plans color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=responds color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=audits color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=optimizes color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=operates color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=conserves color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N9 [label=forecasts color="#F44336" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_114.txt b/test/graphviz/graph_easy/graphviz_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfce85ccd1a79a8542b0ef504cb6587942cd77d3
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_114.txt
@@ -0,0 +1,10 @@
+<Crew Management, conserves, Offshore Operations>
+<Dry Docking, connectedTo, Maritime Security>
+<Hydrographic Surveying, connectedTo, Ship Design>
+<Marine Safety Inspection, operates, Crew Management>
+<Maritime Security, optimizes, Marine Safety Inspection>
+<Offshore Operations, connectedTo, Vessel Maintenance>
+<Pollution Control, audits, Dry Docking>
+<Ship Design, forecasts, Vessel Maintenance>
+<Ship Design, responds, Pollution Control>
+<Shipbuilding, plans, Hydrographic Surveying>
diff --git a/test/graphviz/graph_easy/graphviz_115.dot b/test/graphviz/graph_easy/graphviz_115.dot
new file mode 100644
index 0000000000000000000000000000000000000000..70aedb7e0c916d3eb7f84a5805ac3e09e0bd80a0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_115.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Data Acquisition" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="New Space Technology Development" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N2 [label="Sample Return Missions" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+	N3 [label="Satellite Deployment" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N4 [label="Ground Station Operations" color="#E0E0E0" fillcolor="#EBEBEB" shape=folder style=filled]
+	N5 [label="Exoplanet Discovery" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N6 [label="Space Tourism Development" color="#FFF8A6" fillcolor="#FFFDE0" shape=Mdiamond style=filled]
+	N7 [label="Autonomous Rendezvous and Docking" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=innovates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=analyzes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N6 [label=navigates color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_115.txt b/test/graphviz/graph_easy/graphviz_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7dd31df2ff741e96891e8bdf594c6b8c9da505fb
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_115.txt
@@ -0,0 +1,8 @@
+<Data Acquisition, connectedTo, New Space Technology Development>
+<Exoplanet Discovery, connectedTo, Space Tourism Development>
+<Ground Station Operations, connectedTo, Exoplanet Discovery>
+<New Space Technology Development, innovates, Sample Return Missions>
+<New Space Technology Development, navigates, Space Tourism Development>
+<Sample Return Missions, connectedTo, Satellite Deployment>
+<Satellite Deployment, analyzes, Ground Station Operations>
+<Space Tourism Development, connectedTo, Autonomous Rendezvous and Docking>
diff --git a/test/graphviz/graph_easy/graphviz_116.txt b/test/graphviz/graph_easy/graphviz_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24892899c0f7c35cb5778d514505346450c8fced
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_116.txt
@@ -0,0 +1,8 @@
+<Commercial Space Flight Regulation, connectedTo, Propellant Management>
+<Extravehicular Activity Planning, discovers, Space Weather Forecasting>
+<Mission Design, connectedTo, Commercial Space Flight Regulation>
+<Propellant Management, connectedTo, Space Tourism Development>
+<Rocket Propulsion Development, connectedTo, Extravehicular Activity Planning>
+<Space Tourism Development, collaborates, Astronaut Training>
+<Space Weather Forecasting, connectedTo, Space Tourism Development>
+<Space Weather Forecasting, controls, Mission Design>
diff --git a/test/graphviz/graph_easy/graphviz_118.dot b/test/graphviz/graph_easy/graphviz_118.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7991ae85439544ac8ab5ec6718104325c4dc46d3
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_118.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TD
+	N0 [label="Ocean Current Analysis" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N1 [label="Green Technology Incubation" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N2 [label="Carbon Sequestration Technologies" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N3 [label="Paleoclimate Reconstruction" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N4 [label="International Climate Negotiation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N5 [label="Remote Sensing for Climate" color="#FBC02D" fillcolor="#FFFDE7" shape=oval style=filled]
+	N6 [label="Ice Sheet Dynamics" color="#FFE470" fillcolor="#FFFAE0" shape=octagon style=filled]
+	N7 [label="Atmospheric Monitoring" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N0 -> N1 [label=audits color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=researches color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=advises color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=attributes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N6 [label=communicates color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N0 [label=detects color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_119.txt b/test/graphviz/graph_easy/graphviz_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..84b12f245ea1589d2fbe8815d67ee4e3451a473b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_119.txt
@@ -0,0 +1,10 @@
+<Atmospheric Monitoring, connectedTo, Climate Education Programs>
+<Atmospheric Monitoring, resilience, Paleoclimate Reconstruction>
+<Carbon Cycle Research, connectedTo, Extreme Weather Event Analysis>
+<Climate Education Programs, reports, Ecological Footprint Calculation>
+<Drought Monitoring and Forecasting, visualizes, Carbon Cycle Research>
+<Ecological Footprint Calculation, connectedTo, Drought Monitoring and Forecasting>
+<Extreme Weather Event Analysis, predicts, Paleoclimate Reconstruction>
+<Paleoclimate Reconstruction, connectedTo, Public Engagement on Climate>
+<Public Engagement on Climate, connectedTo, Climate Policy Analysis>
+<Public Engagement on Climate, strategies, Drought Monitoring and Forecasting>
diff --git a/test/graphviz/graph_easy/graphviz_12.dot b/test/graphviz/graph_easy/graphviz_12.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c5463291114a6854db09f1a1d314d5d36acb1495
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_12.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Online Learning Platform Management" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N1 [label="Course Selection" color="#00BCD4" fillcolor="#B2EBF2" shape=Mdiamond style=filled]
+	N2 [label="Career Services" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N3 [label="Club Registration" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N4 [label="Document Verification" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N5 [label="Field Trip Coordination" color="#9C27B0" fillcolor="#E1BEE7" shape=octagon style=filled]
+	N6 [label="Thesis Submission" color="#64B5F6" fillcolor="#E3F2FD" shape=plaintext style=filled]
+	N7 [label="Internship Coordination" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N8 [label="Curriculum Development" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N9 [label="Digital Resource Management" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N10 [label="Assignment Submission" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N0 -> N1 [label=approves color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=awards color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=issues color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=integrates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=guides color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label="applies to" color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N6 [label=funds color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_120.dot b/test/graphviz/graph_easy/graphviz_120.dot
new file mode 100644
index 0000000000000000000000000000000000000000..69d8685b5b93fc5a63636e597976af4a9d5366e8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_120.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TD
+	N0 [label="Public Engagement on Climate" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Climate Education Programs" color="#FF8A65" fillcolor="#FBE9E7" shape=Mdiamond style=filled]
+	N2 [label="Extreme Weather Event Analysis" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N3 [label="Adaptation Strategy Development" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N4 [label="Aerosol Impact Assessment" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N5 [label="Solar Radiation Management Research" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N6 [label="Carbon Cycle Research" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+	N7 [label="Climate Modeling" color="#03A9F4" fillcolor="#B3E5FC" shape=plaintext style=filled]
+	N8 [label="Cloud Formation Research" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N9 [label="Climate Impact Assessment" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N0 -> N1 [label=quantifies color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=impacts color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=observes color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=collects color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=attributes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=calibrates color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N9 -> N7 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_120.txt b/test/graphviz/graph_easy/graphviz_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e34e15b959e66d55daa208c9f6bd1d28995640d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_120.txt
@@ -0,0 +1,10 @@
+<Adaptation Strategy Development, observes, Aerosol Impact Assessment>
+<Aerosol Impact Assessment, collects, Solar Radiation Management Research>
+<Carbon Cycle Research, connectedTo, Climate Modeling>
+<Climate Education Programs, connectedTo, Extreme Weather Event Analysis>
+<Climate Impact Assessment, connectedTo, Climate Modeling>
+<Climate Modeling, connectedTo, Cloud Formation Research>
+<Cloud Formation Research, calibrates, Climate Impact Assessment>
+<Extreme Weather Event Analysis, impacts, Adaptation Strategy Development>
+<Public Engagement on Climate, quantifies, Climate Education Programs>
+<Solar Radiation Management Research, attributes, Carbon Cycle Research>
diff --git a/test/graphviz/graph_easy/graphviz_121.txt b/test/graphviz/graph_easy/graphviz_121.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e7ef81388d80e84adff3b888a519dc8739711072
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_121.txt
@@ -0,0 +1,12 @@
+<Atmospheric Sounding, transmits, Boundary Layer Study>
+<Aviation Weather Briefing, connectedTo, Atmospheric Sounding>
+<Boundary Layer Study, receives, Climate Change Impact Study>
+<Climate Change Impact Study, forecasts, Severe Weather Warning>
+<Climate Change Impact Study, observes, Aviation Weather Briefing>
+<Flood Prediction, connectedTo, Satellite Meteorology>
+<Hurricane Trajectory Modeling, classifies, Radar Imaging>
+<Radar Imaging, connectedTo, Synoptic Chart Analysis>
+<Satellite Meteorology, alerts, Snowfall Measurement>
+<Severe Weather Warning, assesses, Tropical Cyclone Analysis>
+<Snowfall Measurement, disseminates, Aviation Weather Briefing>
+<Synoptic Chart Analysis, connectedTo, Flood Prediction>
diff --git a/test/graphviz/graph_easy/graphviz_122.txt b/test/graphviz/graph_easy/graphviz_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44e037689610207f5e82d2b16c30af73e58f9d5c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_122.txt
@@ -0,0 +1,9 @@
+<Atmospheric Data Collection, deploys, Boundary Layer Study>
+<Ocean_Atmosphere Interaction Study, connectedTo, Upper Air Chart Analysis>
+<Seasonal Outlook Preparation, connectedTo, Ocean_Atmosphere Interaction Study>
+<Synoptic Chart Analysis, forecasts, Atmospheric Data Collection>
+<Tornado Watch or Warning, collects, Wind Speed and Direction>
+<Tropical Cyclone Analysis, analyzes, Tornado Watch or Warning>
+<Upper Air Chart Analysis, advises, Boundary Layer Study>
+<Upper Air Chart Analysis, connectedTo, Tropical Cyclone Analysis>
+<Wind Speed and Direction, generates, Synoptic Chart Analysis>
diff --git a/test/graphviz/graph_easy/graphviz_124.dot b/test/graphviz/graph_easy/graphviz_124.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a443a95b449b8c41ec0b9886d91a1cd5762eb7aa
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_124.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Container Management" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N1 [label="Waste Incineration" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N2 [label="Plastic Recycling Technologies" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N3 [label="Transfer Station Management" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N4 [label="Hazardous Waste Disposal" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N5 [label="Anaerobic Digestion" color="#FFF9AE" fillcolor="#FFFCE6" shape=plaintext style=filled]
+	N6 [label="Electronic Waste Recycling" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N7 [label="Landfill Gas Collection" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N8 [label="Recycling Processing" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N9 [label="Community Recycling Programs" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N10 [label="Illegal Dumping Monitoring" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=disposes color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=optimizes color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=licenses color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=incinerates color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=compresses color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=innovates color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=designs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N5 [label=separates color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_129.dot b/test/graphviz/graph_easy/graphviz_129.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04921c97f44953674488a11123b9afb078f2bf6f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_129.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Water Loss Detection" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N1 [label="Water Quality Monitoring" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N2 [label="Transboundary Water Management" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N3 [label="Water Infrastructure Maintenance" color="#BA68C8" fillcolor="#F3E5F5" shape=oval style=filled]
+	N4 [label="Water Treatment" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N5 [label="Sewer System Inspection" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+	N6 [label="Water Source Identification" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N7 [label="Greywater Recycling" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N8 [label="Water Meter Reading" color="#9C27B0" fillcolor="#E1BEE7" shape=folder style=filled]
+	N9 [label="Irrigation Management" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N10 [label="Water Resource Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=distributes color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=allocates color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=irrigates color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=detects color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=assesses color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=plans color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N0 -> N5 [label=repairs color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_13.dot b/test/graphviz/graph_easy/graphviz_13.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8105b186a453fb595e0101ce587bf0c04599f5b9
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_13.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Up_selling Offer" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N1 [label=Checkout color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N2 [label="Customer Segmentation" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N3 [label="Live Chat Support" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+	N4 [label="Gift Card Purchase" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N5 [label="Social Media Integration" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N6 [label="Customer Inquiry" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N7 [label="Fraud Detection" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N0 -> N1 [label=personalizes color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=tracks color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=supports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=refunds color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N2 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N2 [label=promotes color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_13.txt b/test/graphviz/graph_easy/graphviz_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8fa6329a77c4f97aec5d602542b16b0ee505ca2
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_13.txt
@@ -0,0 +1,9 @@
+<Checkout, connectedTo, Customer Segmentation>
+<Customer Inquiry, connectedTo, Customer Segmentation>
+<Customer Inquiry, connectedTo, Fraud Detection>
+<Customer Segmentation, tracks, Live Chat Support>
+<Gift Card Purchase, connectedTo, Social Media Integration>
+<Live Chat Support, supports, Gift Card Purchase>
+<Social Media Integration, promotes, Customer Segmentation>
+<Social Media Integration, refunds, Customer Inquiry>
+<Up_selling Offer, personalizes, Checkout>
diff --git a/test/graphviz/graph_easy/graphviz_130.txt b/test/graphviz/graph_easy/graphviz_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..54ea509ba69712ff7e141779232f4fc8423a1239
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_130.txt
@@ -0,0 +1,10 @@
+<Chemical Recycling, cleans, Recycling Facility Optimization>
+<Collection Point Management, audits, Plastic Recycling>
+<Life Cycle Assessment, connectedTo, Chemical Recycling>
+<Mechanical Recycling, connectedTo, Product Design for Recyclability>
+<Plastic Recycling, processes, Recycling Policy Advocacy>
+<Product Design for Recyclability, reports, Collection Point Management>
+<Recycling Data Tracking, verifies, Textile Recycling>
+<Recycling Facility Optimization, connectedTo, Mechanical Recycling>
+<Recycling Policy Advocacy, connectedTo, Recycling Data Tracking>
+<Textile Recycling, connectedTo, Life Cycle Assessment>
diff --git a/test/graphviz/graph_easy/graphviz_131.dot b/test/graphviz/graph_easy/graphviz_131.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2481d4f21c0a19bd3453f0b07b4bc97f6b377869
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_131.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Tyre Recycling" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Closed_Loop Material Flow" color="#CDDC39" fillcolor="#E6EE9C" shape=plaintext style=filled]
+	N2 [label="Hazardous Material Recovery" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N3 [label="Circular Economy Implementation" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N4 [label="Industrial Recycling Programs" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N5 [label="Contamination Reduction" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N6 [label="Advanced Sorting Technologies" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N7 [label="Recycling Policy Advocacy" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N8 [label="Commercial Recycling Solutions" color="#CDDC39" fillcolor="#E6EE9C" shape=oval style=filled]
+	N9 [label="Metal Recycling" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N0 -> N1 [label=processes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=segregates color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=forms color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=grades color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N3 -> N5 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_134.dot b/test/graphviz/graph_easy/graphviz_134.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eb31214d77a108b85131e90a68a8e45389f8b960
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_134.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Non_Timber Forest Product Collection" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N1 [label="Forest Inventory" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N2 [label=Afforestation color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N3 [label="Forest Carbon Accounting" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N4 [label="Climate Change Adaptation in Forests" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N5 [label="Forestry Equipment Maintenance" color="#F44336" fillcolor="#FFCDD2" shape=plaintext style=filled]
+	N6 [label=Reforestation color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N7 [label="Tree Nursery Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N8 [label="Forest Land Use Planning" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+	N9 [label="Drone Surveying for Forests" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N10 [label="Agroforestry Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N0 -> N1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=audits color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=measures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=analyzes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=surveys color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=grades color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=sustains color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N2 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N9 [label=cultivates color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_134.txt b/test/graphviz/graph_easy/graphviz_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ad6f2bffa1d520349384f0db55a10db4bead9b1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_134.txt
@@ -0,0 +1,12 @@
+<Afforestation, audits, Forest Carbon Accounting>
+<Climate Change Adaptation in Forests, analyzes, Forestry Equipment Maintenance>
+<Climate Change Adaptation in Forests, connectedTo, Afforestation>
+<Drone Surveying for Forests, sustains, Agroforestry Systems>
+<Forest Carbon Accounting, measures, Climate Change Adaptation in Forests>
+<Forest Inventory, connectedTo, Afforestation>
+<Forest Land Use Planning, grades, Drone Surveying for Forests>
+<Forestry Equipment Maintenance, surveys, Reforestation>
+<Non_Timber Forest Product Collection, connectedTo, Forest Inventory>
+<Non_Timber Forest Product Collection, cultivates, Drone Surveying for Forests>
+<Reforestation, connectedTo, Tree Nursery Management>
+<Tree Nursery Management, connectedTo, Forest Land Use Planning>
diff --git a/test/graphviz/graph_easy/graphviz_135.dot b/test/graphviz/graph_easy/graphviz_135.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d3b1894e52dc4246ee4cb4b72afc9ce4d81ba44
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_135.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Wildlife Habitat Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Forest Research" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N2 [label="Forest Health Monitoring" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N3 [label=Reforestation color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N4 [label="Carbon Sequestration Monitoring" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N5 [label="Timber Harvesting" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N6 [label="Non_Timber Forest Product Collection" color="#C2B2F0" fillcolor="#EFE6FF" shape=octagon style=filled]
+	N7 [label="Tree Nursery Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=oval style=filled]
+	N8 [label="Forest Land Use Planning" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N9 [label="Watershed Protection" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N10 [label="GIS Mapping for Forestry" color="#C2B2F0" fillcolor="#EFE6FF" shape=folder style=filled]
+	N11 [label="Forest Carbon Accounting" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N0 -> N1 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=measures color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=analyzes color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=treats color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=constructs color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=prevents color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=protects color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_136.dot b/test/graphviz/graph_easy/graphviz_136.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dad56f722687b5639d53c63fb083b97082777ca6
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_136.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Toxicology Testing" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label=Diagnosis color="#FF8A65" fillcolor="#FBE9E7" shape=Mdiamond style=filled]
+	N2 [label="Nutritional Counseling" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N3 [label="Laboratory Testing" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N4 [label="Imaging Services" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N5 [label="Anesthesia Administration" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N6 [label="Pre_surgical Assessment" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N7 [label="Allergy Testing" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N8 [label=Prescription color="#66BB6A" fillcolor="#E8F5E9" shape=folder style=filled]
+	N9 [label="Pain Management" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N0 -> N1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=admits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=dispenses color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=rehabilitates color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=monitors color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N2 [label=euthanizes color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_139.dot b/test/graphviz/graph_easy/graphviz_139.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b1f8c3400c1d097d3ef297f8cec765ef65be2af3
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_139.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TD
+	N0 [label="Behavior Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N1 [label="Child Psychology Application" color="#F44336" fillcolor="#FFCDD2" shape=folder style=filled]
+	N2 [label="Daily Activity Reporting" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N3 [label="Learning Material Selection" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N4 [label="Playground Safety Inspection" color="#F44336" fillcolor="#FFCDD2" shape=folder style=filled]
+	N5 [label="Emergency Evacuation Drills" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N6 [label="Outdoor Play Supervision" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N7 [label="Hygiene Practices" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=administers color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=observes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N6 [label=feeds color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_14.dot b/test/graphviz/graph_easy/graphviz_14.dot
new file mode 100644
index 0000000000000000000000000000000000000000..812185b499b5cc0a5ca4825010d9d55ad92022c0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_14.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Product Recommendation" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Delivery Tracking" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N2 [label="Add to Cart" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N3 [label="Up_selling Offer" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N4 [label="Fraud Detection" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N5 [label="Gift Card Purchase" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N6 [label="Price Adjustment" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N7 [label="Inventory Update" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N0 -> N1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=optimizes color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=authenticates color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=updates color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N0 [label=processes color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_141.dot b/test/graphviz/graph_easy/graphviz_141.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fd65e9cdd25008342e29c47529f5906a8411c760
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_141.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TD
+	N0 [label="Music and Movement Activities" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="Toddler Activities" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N2 [label="Diaper Changing" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N3 [label="Outdoor Exploration" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N4 [label="Learning Material Selection" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N5 [label="Nap Time Supervision" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N6 [label="Child Protection Policies" color="#9575CD" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N7 [label="After_School Programs" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N8 [label="Sensory Play" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [label=assesses color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=safeguards color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=develops color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=prepares color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=monitors color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N5 [label=responds color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_144.txt b/test/graphviz/graph_easy/graphviz_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..149a8c99ea198054e6cebc889ace78ced061c2a0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_144.txt
@@ -0,0 +1,12 @@
+<Care Plan Development, guides, Incontinence Care>
+<Community Resource Connection, connectedTo, Companionship>
+<Companionship, connectedTo, Telehealth for Seniors>
+<Family Communication, accompanies, Nursing Care>
+<Financial Management Assistance, connectedTo, Family Communication>
+<Financial Management Assistance, documents, Telehealth for Seniors>
+<Incontinence Care, connectedTo, Meal Preparation>
+<Incontinence Care, rehabilitates, Community Resource Connection>
+<Nursing Care, connectedTo, Safety Assessments>
+<Safety Assessments, connectedTo, Community Resource Connection>
+<Smart Home Integration for Seniors, supports, Financial Management Assistance>
+<Telehealth for Seniors, prevents, Care Plan Development>
diff --git a/test/graphviz/graph_easy/graphviz_145.dot b/test/graphviz/graph_easy/graphviz_145.dot
new file mode 100644
index 0000000000000000000000000000000000000000..92d772f14e63e35a58b271354a26202ece43e288
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_145.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Emergency Planning" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N1 [label="Economic Recovery Initiatives" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N2 [label="Environmental Remediation" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N3 [label="Capacity Building for Local Communities" color="#AED581" fillcolor="#F0F4C3" shape=plaintext style=filled]
+	N4 [label="Post_Disaster Evaluation" color="#AED581" fillcolor="#F0F4C3" shape=Mdiamond style=filled]
+	N5 [label="Drone Deployment for Assessment" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N6 [label="Resilience Building" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N7 [label="Information Dissemination" color="#AED581" fillcolor="#F0F4C3" shape=Mdiamond style=filled]
+	N8 [label="Recovery Planning" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N9 [label="Satellite Imagery Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N0 -> N1 [label=locates color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=recovers color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=restores color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=drills color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N0 -> N8 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_147.dot b/test/graphviz/graph_easy/graphviz_147.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5aa7cfd7c52b5ecae270381c249cfe05cc9a8017
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_147.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Capacity Building for Local Communities" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Damage Assessment" color="#B0C5CD" fillcolor="#DFE7EB" shape=octagon style=filled]
+	N2 [label="Early Warning Systems" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N3 [label="Hazard Identification" color="#FFF176" fillcolor="#FFFDE7" shape=plaintext style=filled]
+	N4 [label="Communication Protocols" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N5 [label=Reconstruction color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="Climate Change Adaptation for Disasters" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N7 [label="International Aid Coordination" color="#80DDEA" fillcolor="#D3F7F9" shape=oval style=filled]
+	N8 [label="Debris Management" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N9 [label="Shelter Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N10 [label="Economic Recovery Initiatives" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N11 [label="Community Preparedness" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N0 -> N1 [label=locates color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=restores color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=reconstructs color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=rescues color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=simulates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=analyzes color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=surveys color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N10 -> N6 [label=rebuilds color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N11 -> N10 [label=distributes color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_148.dot b/test/graphviz/graph_easy/graphviz_148.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c85aa0b2f3047faeec8004b3be572456ee62f758
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_148.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Weapon Systems Development" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label="Electronic Warfare" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N2 [label="Air Operations" color="#61CAC3" fillcolor="#C2E8E6" shape=plaintext style=filled]
+	N3 [label="Joint Exercises" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N4 [label="Basic Training" color="#61CAC3" fillcolor="#C2E8E6" shape=Mdiamond style=filled]
+	N5 [label="Cyber Warfare Operations" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N6 [label="Force Projection" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N7 [label="Chaplain Services" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N0 -> N1 [label=communicates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=attacks color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=researches color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=coordinates color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N4 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_148.txt b/test/graphviz/graph_easy/graphviz_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4115b1a8c3b528123f65349ef44ef9e1886628b6
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_148.txt
@@ -0,0 +1,8 @@
+<Air Operations, researches, Joint Exercises>
+<Basic Training, connectedTo, Cyber Warfare Operations>
+<Cyber Warfare Operations, coordinates, Force Projection>
+<Electronic Warfare, attacks, Air Operations>
+<Force Projection, connectedTo, Basic Training>
+<Force Projection, connectedTo, Chaplain Services>
+<Joint Exercises, connectedTo, Basic Training>
+<Weapon Systems Development, communicates, Electronic Warfare>
diff --git a/test/graphviz/graph_easy/graphviz_149.dot b/test/graphviz/graph_easy/graphviz_149.dot
new file mode 100644
index 0000000000000000000000000000000000000000..030134393508e3471674e218c02041da7c0f49a6
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_149.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TD
+	N0 [label="Medical Support" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Joint Exercises" color="#607D8B" fillcolor="#CFD8DC" shape=oval style=filled]
+	N2 [label="Disaster Relief Deployment" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N3 [label="Crisis Management" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+	N4 [label="Troop Deployment" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N5 [label="Personnel Management" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N6 [label="Specialized Training" color="#607D8B" fillcolor="#CFD8DC" shape=plaintext style=filled]
+	N7 [label="Peacekeeping Missions" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N0 -> N1 [label=plans color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=patrols color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=enforces color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=coordinates color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_15.txt b/test/graphviz/graph_easy/graphviz_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1dd672c40d9722bfcd14e9ff763c0908805eebf
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_15.txt
@@ -0,0 +1,8 @@
+<Affiliate Marketing, connectedTo, Refund Process>
+<Inventory Update, authenticates, Promotion Application>
+<Order Confirmation, tracks, Social Media Integration>
+<Product Listing, personalizes, Affiliate Marketing>
+<Product Recommendation, promotes, Order Confirmation>
+<Promotion Application, pays, Inventory Update>
+<Refund Process, connectedTo, Inventory Update>
+<Social Media Integration, connectedTo, Product Listing>
diff --git a/test/graphviz/graph_easy/graphviz_151.dot b/test/graphviz/graph_easy/graphviz_151.dot
new file mode 100644
index 0000000000000000000000000000000000000000..16829c3e57498edaa14cd1299a23a732a441240f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_151.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sustainable Aviation Fuel Development" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Flight Planning" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N2 [label="Crew Scheduling" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+	N3 [label="Ground Support" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N4 [label="Pilot Training" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N5 [label="Airport Operations" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N6 [label="Cargo Loading" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N7 [label="Navigation System Check" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N8 [label="Flight Simulation" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N9 [label="Airworthiness Certification" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N0 -> N1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=trains color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=responds color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=investigates color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=certifies color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N3 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_152.dot b/test/graphviz/graph_easy/graphviz_152.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bd6a3df8c04f83dbb83e2e6dc884393dd8059310
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_152.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Baggage Handling" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N1 [label="Crew Scheduling" color="#E91E63" fillcolor="#F8BBD0" shape=folder style=filled]
+	N2 [label="Aircraft Maintenance" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N3 [label="Noise Abatement Procedures" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N4 [label="In_flight Service" color="#03A9F4" fillcolor="#B3E5FC" shape=plaintext style=filled]
+	N5 [label="Flight Simulation" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N6 [label="Regulatory Compliance" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N7 [label="Route Optimization" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N8 [label="Air Traffic Control" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N9 [label="Flight Planning" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N0 -> N1 [label=briefs color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=certifies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=designs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=fuels color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=secures color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N4 [label=de_ices color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_153.txt b/test/graphviz/graph_easy/graphviz_153.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0204baa7e77709a01bb914bdbb8430b5d583190a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_153.txt
@@ -0,0 +1,13 @@
+<Aircraft De_icing, connectedTo, Route Optimization>
+<Airworthiness Certification, inspects, Navigation System Check>
+<Cargo Loading, briefs, Airworthiness Certification>
+<Emergency Procedures Training, connectedTo, Sustainable Aviation Fuel Development>
+<Flight Simulation, connectedTo, Airworthiness Certification>
+<Ground Support, manages, Flight Simulation>
+<Navigation System Check, navigates, Security Screening>
+<Pilot Training, assembles, Ground Support>
+<Route Optimization, connectedTo, Cargo Loading>
+<Route Optimization, de_ices, Ground Support>
+<Security Screening, connectedTo, Emergency Procedures Training>
+<Sustainable Aviation Fuel Development, manufactures, Unmanned Aerial Vehicle Integration>
+<Unmanned Aerial Vehicle Integration, plans, Pilot Training>
diff --git a/test/graphviz/graph_easy/graphviz_156.dot b/test/graphviz/graph_easy/graphviz_156.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a8bc969779508b44b29e1e96598578f34861709
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_156.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Inertial Navigation System" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N1 [label="GPS Positioning" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N2 [label="Pedestrian Navigation" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N3 [label="Historical Traffic Data Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N4 [label="Points of Interest Search" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N5 [label="Autonomous Vehicle Navigation" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N6 [label="Voice Guidance Customization" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N7 [label="Terrestrial Navigation" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N0 -> N1 [label=locates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=receives color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=interprets color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=avoids color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=monitors color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N0 -> N4 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_158.txt b/test/graphviz/graph_easy/graphviz_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bebb8f681b9f621c4000da9db8e00efa7455831
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_158.txt
@@ -0,0 +1,9 @@
+<4D Printing, connectedTo, Maintenance and Repair of Printers>
+<Maintenance and Repair of Printers, connectedTo, Material Research and Development>
+<Material Research and Development, connectedTo, Prototyping>
+<Multi_Material Printing, enhances, Maintenance and Repair of Printers>
+<Multi_Material Printing, protects, Sustainable 3D Printing Materials>
+<Post_Processing, connectedTo, Educational Applications>
+<Prototyping, connectedTo, Slicing Software Operation>
+<Slicing Software Operation, validates, Post_Processing>
+<Sustainable 3D Printing Materials, models, 4D Printing>
diff --git a/test/graphviz/graph_easy/graphviz_159.txt b/test/graphviz/graph_easy/graphviz_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c703366dad4b5dd2b7b7c3bbc2690f5e0d7b1cdd
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_159.txt
@@ -0,0 +1,12 @@
+<Additive Manufacturing, connectedTo, Reverse Engineering with 3D Printing>
+<Bioprinting, connectedTo, Scaffolding for Tissue Engineering>
+<File Format Conversion, integrates, Additive Manufacturing>
+<Intellectual Property Protection for Designs, scans, Quality Control>
+<Material Selection, connectedTo, Intellectual Property Protection for Designs>
+<Material Selection, develops, Additive Manufacturing>
+<Medical Device Prototyping, optimizes, Material Selection>
+<Printing Parameter Optimization, connectedTo, Bioprinting>
+<Quality Control, connectedTo, Material Selection>
+<Quality Control, connectedTo, Printing Parameter Optimization>
+<Reverse Engineering with 3D Printing, materials, Medical Device Prototyping>
+<Scaffolding for Tissue Engineering, connectedTo, On_Demand Production>
diff --git a/test/graphviz/graph_easy/graphviz_16.txt b/test/graphviz/graph_easy/graphviz_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..846e25e796b65ca18932ff6c52a20e977652adb0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_16.txt
@@ -0,0 +1,10 @@
+<Accident Reconstruction, permits, Electric Vehicle Charging>
+<Boarding, connectedTo, Cargo Loading>
+<Cargo Loading, tracks, Route Optimization>
+<Electric Vehicle Charging, connectedTo, Incident Report>
+<Incident Report, connectedTo, Boarding>
+<Navigation Update, connectedTo, Schedule Generation>
+<Public Transport Ticketing, calculates, Accident Reconstruction>
+<Schedule Generation, connectedTo, Navigation Update>
+<Schedule Generation, connectedTo, Public Transport Ticketing>
+<Weather Impact Assessment, unloads, Navigation Update>
diff --git a/test/graphviz/graph_easy/graphviz_161.dot b/test/graphviz/graph_easy/graphviz_161.dot
new file mode 100644
index 0000000000000000000000000000000000000000..168673919e720dfc4fe2bcd642e392f30de86d82
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_161.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="X_ray Diffraction" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N1 [label="Solar Cell Efficiency Enhancement" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N2 [label="Nanoparticle Characterization" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N3 [label="Food Packaging Improvement" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N4 [label=Nanotoxicology color="#FFA726" fillcolor="#FFF3E0" shape=plaintext style=filled]
+	N5 [label="Nanofabrication Techniques" color="#D3EB9F" fillcolor="#F8FDD3" shape=octagon style=filled]
+	N6 [label=Nanocoatings color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N7 [label="Environmental Remediation with Nanomaterials" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N8 [label="Drug Delivery Systems" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N9 [label="Transmission Electron Microscopy" color="#FFA726" fillcolor="#FFF3E0" shape=oval style=filled]
+	N10 [label="Nanodevice Fabrication" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N11 [label=Nanocomposites color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N0 -> N1 [label=cleans color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=characterizes color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=optimizes color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=educates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=catalyzes color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=manipulates color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N10 [label=engineers color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_162.dot b/test/graphviz/graph_easy/graphviz_162.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1bc3ecba3653a80992b64a6638aece01a797c9be
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_162.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Carbon Nanotube Synthesis" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N1 [label="Regulatory Framework for Nanotech" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N2 [label="Solar Cell Efficiency Enhancement" color="#E91E63" fillcolor="#FCE4EC" shape=plaintext style=filled]
+	N3 [label=Nanosensors color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Surface Functionalization" color="#8C9EFF" fillcolor="#D3D7EB" shape=parallelogram style=filled]
+	N5 [label="Computational Nanotechnology" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label=Nanocomposites color="#BCB88A" fillcolor="#F5F5DC" shape=octagon style=filled]
+	N7 [label="Drug Delivery Systems" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N8 [label="Advanced Materials Research" color="#BCB88A" fillcolor="#F5F5DC" shape=octagon style=filled]
+	N9 [label="Catalysis at Nanoscale" color="#E91E63" fillcolor="#FCE4EC" shape=folder style=filled]
+	N10 [label="Molecular Self_Assembly" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N11 [label="X_ray Diffraction" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N0 -> N1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=models color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=fabricates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=commercializes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=researches color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=converts color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=enhances color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=cleans color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N9 [label=deposits color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_164.txt b/test/graphviz/graph_easy/graphviz_164.txt
new file mode 100644
index 0000000000000000000000000000000000000000..776ad8e6ddb396259d3f543d864c21a16c798534
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_164.txt
@@ -0,0 +1,10 @@
+<Cryogenic Systems for Qubits, connectedTo, Quantum Algorithm Development>
+<Microwave Control for Qubits, downloads, Quantum Error Correction>
+<Quantum Algorithm Development, connectedTo, Quantum Cryptography>
+<Quantum Communication Protocols, computes, Quantum Computing Education>
+<Quantum Cryptography, measures, Quantum Communication Protocols>
+<Quantum Entanglement Generation, connectedTo, Microwave Control for Qubits>
+<Quantum Error Correction, connectedTo, Quantum Algorithm Development>
+<Quantum Error Correction, educates, Quantum Machine Learning>
+<Quantum Machine Learning, configures, Cryogenic Systems for Qubits>
+<Quantum Programming Languages, simulates, Quantum Entanglement Generation>
diff --git a/test/graphviz/graph_easy/graphviz_165.txt b/test/graphviz/graph_easy/graphviz_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9680d226a9c059ddf13759ee1cf663b30512b7b7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_165.txt
@@ -0,0 +1,10 @@
+<Microwave Control for Qubits, secures, Topological Qubits>
+<Quantum Annealing, connectedTo, Quantum Programming Languages>
+<Quantum Coherence Management, programs, Quantum Software Development Kit>
+<Quantum Computing Education, connectedTo, Microwave Control for Qubits>
+<Quantum Entanglement Generation, connectedTo, Quantum Sensing>
+<Quantum Programming Languages, builds, Quantum Entanglement Generation>
+<Quantum Programming Languages, implements, Quantum Annealing>
+<Quantum Sensing, integrates, Quantum Coherence Management>
+<Quantum Software Development Kit, connectedTo, Quantum Entanglement Generation>
+<Topological Qubits, connectedTo, Quantum Annealing>
diff --git a/test/graphviz/graph_easy/graphviz_168.dot b/test/graphviz/graph_easy/graphviz_168.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cc6ca8d258d4f7297b7dc544744406d7fe3dd33a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_168.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Industrial Maintenance Support" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="Field of View Optimization" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N2 [label="Data Visualization in AR or VR" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N3 [label="Multiplayer Experience Design" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N4 [label="AR for Navigation" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N5 [label="Haptic Feedback Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N6 [label="Cloud_based AR or VR Rendering" color="#CD8FF2" fillcolor="#ECCFF5" shape=folder style=filled]
+	N7 [label="Eye Tracking" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N8 [label="Spatial Audio Implementation" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N0 -> N1 [label=tracks color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=monitors color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=overlays color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=augments color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=renders color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N7 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_170.dot b/test/graphviz/graph_easy/graphviz_170.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e7084cdc2c6972ce0ad63adfbb3770db1cd0c535
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_170.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label=Programming color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N1 [label="User Experience Design" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N2 [label="In_Game Economy Design" color="#FFE69C" fillcolor="#FFF9D4" shape=Mdiamond style=filled]
+	N3 [label="Virtual Reality Gaming" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N4 [label="Game Balancing" color="#00BCD4" fillcolor="#E0F7FA" shape=folder style=filled]
+	N5 [label="Bug Fixing" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N6 [label="Asset Creation" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N7 [label="Monetization Strategy" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N8 [label="PC Game Development" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N0 -> N1 [label=markets color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=communicates color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=narrates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=engineers color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N3 [label=manages color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_170.txt b/test/graphviz/graph_easy/graphviz_170.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ea3143014442e1ba9cee6970463aa1a1bf2e922c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_170.txt
@@ -0,0 +1,9 @@
+<Asset Creation, connectedTo, Monetization Strategy>
+<Bug Fixing, connectedTo, Asset Creation>
+<Game Balancing, engineers, Bug Fixing>
+<Game Balancing, manages, Virtual Reality Gaming>
+<In_Game Economy Design, narrates, Virtual Reality Gaming>
+<Monetization Strategy, connectedTo, PC Game Development>
+<Programming, markets, User Experience Design>
+<User Experience Design, communicates, In_Game Economy Design>
+<Virtual Reality Gaming, connectedTo, Game Balancing>
diff --git a/test/graphviz/graph_easy/graphviz_171.dot b/test/graphviz/graph_easy/graphviz_171.dot
new file mode 100644
index 0000000000000000000000000000000000000000..517e27d4dac6918f640be78d8e05472c9e1e3858
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_171.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Level Design" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N1 [label="Narrative Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N2 [label="Network Code Optimization" color="#607D8B" fillcolor="#CFD8DC" shape=oval style=filled]
+	N3 [label="Player Progression Systems" color="#4FC3F7" fillcolor="#E1F5FE" shape=plaintext style=filled]
+	N4 [label="Game Balancing" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N5 [label="Player Feedback Integration" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N6 [label="Art Direction" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N7 [label="Quality Assurance Testing" color="#4FC3F7" fillcolor="#E1F5FE" shape=folder style=filled]
+	N8 [label=Localization color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N9 [label="Esports Event Organization" color="#4FC3F7" fillcolor="#E1F5FE" shape=folder style=filled]
+	N10 [label="User Experience Design" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N11 [label="In_Game Economy Design" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N0 -> N1 [label=competes color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=programs color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=streams color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=plays color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N8 [label=reviews color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> N3 [label=organizes color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_172.dot b/test/graphviz/graph_easy/graphviz_172.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9168254f24fbcf9beb517b5740c0c6ea9038c705
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_172.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Music Distribution" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N1 [label="Music Therapy" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N2 [label="Lyric Writing" color="#EAEFA5" fillcolor="#FDFCEB" shape=Mdiamond style=filled]
+	N3 [label="Music Festival Organization" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N4 [label="Sound System Design" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label=Mixing color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N6 [label="Music Video Production" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N7 [label="Music for Film or TV or Games" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N8 [label="Music Education" color="#FFD54F" fillcolor="#FFF8E1" shape=octagon style=filled]
+	N9 [label="Digital Audio Workstation Operation" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N10 [label="Merchandise Sales" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=records color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=teaches color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=mixes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=programs color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=streams color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=markets color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=publishes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N0 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_172.txt b/test/graphviz/graph_easy/graphviz_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4072efbe3bc32c30e8176cd33cc7c160964674a9
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_172.txt
@@ -0,0 +1,11 @@
+<Digital Audio Workstation Operation, publishes, Merchandise Sales>
+<Lyric Writing, teaches, Music Festival Organization>
+<Mixing, mixes, Music Video Production>
+<Music Distribution, connectedTo, Music Therapy>
+<Music Education, markets, Digital Audio Workstation Operation>
+<Music Festival Organization, connectedTo, Sound System Design>
+<Music Therapy, records, Lyric Writing>
+<Music Video Production, programs, Music for Film or TV or Games>
+<Music for Film or TV or Games, streams, Music Education>
+<Sound System Design, connectedTo, Mixing>
+<Sound System Design, connectedTo, Music Distribution>
diff --git a/test/graphviz/graph_easy/graphviz_176.txt b/test/graphviz/graph_easy/graphviz_176.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfdeb6aafad404b1310bf6cf36fff52fb4122137
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_176.txt
@@ -0,0 +1,12 @@
+<Art Direction, reviews, Location Scouting>
+<Green Production Practices, connectedTo, Pre_production Planning>
+<Green Production Practices, renders, Art Direction>
+<Location Scouting, connectedTo, Virtual Production Techniques>
+<Marketing and Publicity, distributes, Art Direction>
+<Remote Collaboration Tools, writes, Set Construction>
+<Screenwriting Workshops, connectedTo, Marketing and Publicity>
+<Script Development, connectedTo, Screenwriting Workshops>
+<Set Construction, connectedTo, Visual Effects>
+<Virtual Production Techniques, connectedTo, Green Production Practices>
+<Visual Effects, builds, Script Development>
+<Visual Effects, connectedTo, Screenwriting Workshops>
diff --git a/test/graphviz/graph_easy/graphviz_179.dot b/test/graphviz/graph_easy/graphviz_179.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4e5e5bc3c865f26b951bfe8c6abc6a55eb82dd97
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_179.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TD
+	N0 [label="Influencer Collaboration" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Call to Action Design" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N2 [label="Podcast Production" color="#AF56A6" fillcolor="#DDCEDD" shape=oval style=filled]
+	N3 [label=Publishing color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N4 [label=Copywriting color="#EAEFA5" fillcolor="#FDFCEB" shape=oval style=filled]
+	N5 [label="Audience Analysis" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N6 [label="Webinar Hosting" color="#92C79A" fillcolor="#E8F0EA" shape=folder style=filled]
+	N7 [label=Photography color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N8 [label="Performance Tracking" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N9 [label="Video Scripting" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N0 -> N1 [label=distributes color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=translates color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=illustrates color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=proofreads color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=analyzes color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N6 [label=hosts color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_179.txt b/test/graphviz/graph_easy/graphviz_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b8849f52d9aa9029aa6db066963452c5ff5c41a6
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_179.txt
@@ -0,0 +1,10 @@
+<Audience Analysis, connectedTo, Webinar Hosting>
+<Call to Action Design, connectedTo, Podcast Production>
+<Copywriting, illustrates, Audience Analysis>
+<Influencer Collaboration, distributes, Call to Action Design>
+<Performance Tracking, analyzes, Video Scripting>
+<Photography, connectedTo, Performance Tracking>
+<Podcast Production, hosts, Webinar Hosting>
+<Podcast Production, translates, Publishing>
+<Publishing, connectedTo, Copywriting>
+<Webinar Hosting, proofreads, Photography>
diff --git a/test/graphviz/graph_easy/graphviz_180.txt b/test/graphviz/graph_easy/graphviz_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3fcae96fce4a6564b2d5c2697785e91412c50508
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_180.txt
@@ -0,0 +1,10 @@
+<Audience Analysis, podcasts, Newsletter Creation>
+<Audio Recording, connectedTo, Interview Conduct>
+<Editing and Proofreading, streams, Audience Engagement>
+<Interview Conduct, connectedTo, Editing and Proofreading>
+<Monetization Strategy, connectedTo, Audience Analysis>
+<Newsletter Creation, records, Performance Tracking>
+<Performance Tracking, personalizes, User_Generated Content Curation>
+<User_Generated Content Curation, connectedTo, Audio Recording>
+<User_Generated Content Curation, connectedTo, Newsletter Creation>
+<User_Generated Content Curation, measures, Interview Conduct>
diff --git a/test/graphviz/graph_easy/graphviz_182.txt b/test/graphviz/graph_easy/graphviz_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2574ac38ebc8909f7e519fe0cf0ae76c73c7c71b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_182.txt
@@ -0,0 +1,13 @@
+<Dashboard Creation, connectedTo, Data Storytelling>
+<Data Mining, interprets, Data Visualization>
+<Data Storytelling, models, Data Mining>
+<Data Visualization, connectedTo, ETL Process Management>
+<ETL Process Management, connectedTo, Predictive Analytics>
+<Financial Data Analysis, connectedTo, Machine Learning Integration>
+<Machine Learning Integration, connectedTo, Natural Language Processing for Data>
+<Marketing Campaign Analysis, analyzes, Data Mining>
+<Marketing Campaign Analysis, integrates, Financial Data Analysis>
+<Natural Language Processing for Data, connectedTo, Statistical Modeling>
+<Predictive Analytics, connectedTo, Marketing Campaign Analysis>
+<Statistical Modeling, collects, Exploratory Data Analysis>
+<Statistical Modeling, develops, Predictive Analytics>
diff --git a/test/graphviz/graph_easy/graphviz_185.txt b/test/graphviz/graph_easy/graphviz_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29be5cb995d09f1e798d8ca1a13a6eea4832f0a0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_185.txt
@@ -0,0 +1,12 @@
+<Cloud BI Solutions, loads, Query Optimization>
+<Data Quality Management, connectedTo, OLAP Cube Creation>
+<Data Security in BI, connectedTo, Performance Monitoring>
+<Data Warehousing, complies, Embedded Analytics>
+<Data Warehousing, connectedTo, Data Security in BI>
+<Embedded Analytics, connectedTo, Regulatory Compliance Reporting>
+<OLAP Cube Creation, connectedTo, Cloud BI Solutions>
+<Performance Monitoring, trains, Sales Forecasting>
+<Prescriptive Analytics Implementation, connectedTo, Data Warehousing>
+<Query Optimization, deploys, Data Security in BI>
+<Regulatory Compliance Reporting, connectedTo, Data Quality Management>
+<Sales Forecasting, reports, User Training and Support>
diff --git a/test/graphviz/graph_easy/graphviz_187.txt b/test/graphviz/graph_easy/graphviz_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6ca73273acb75fdd4fd992ae869cbf4c0de7e6a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_187.txt
@@ -0,0 +1,9 @@
+<Affiliate Marketing, brands, Website Design and Optimization>
+<Affiliate Marketing, uses CRMs, Experiential Marketing>
+<Brand Strategy Development, connectedTo, Experiential Marketing>
+<Distribution Channel Management, connectedTo, Affiliate Marketing>
+<Email Marketing, connectedTo, Lead Generation>
+<Experiential Marketing, sends emails, Mobile Marketing>
+<Lead Generation, podcast marketing, Distribution Channel Management>
+<Promotional Campaigns, automates tasks, Email Marketing>
+<Website Design and Optimization, builds loyalty, Brand Strategy Development>
diff --git a/test/graphviz/graph_easy/graphviz_189.dot b/test/graphviz/graph_easy/graphviz_189.dot
new file mode 100644
index 0000000000000000000000000000000000000000..878d52ffcf52fa98ff5ef5eeb0131e77e5194bc1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_189.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Podcast Marketing" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Competitive Analysis" color="#4DB6AC" fillcolor="#E0F2F1" shape=folder style=filled]
+	N2 [label="Influencer Marketing" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N3 [label="Affiliate Marketing" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N4 [label="Brand Strategy Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=folder style=filled]
+	N5 [label="Brand Reputation Management" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N6 [label="Content Marketing" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N7 [label="Event Marketing" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N8 [label="Conversion Rate Optimization" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N0 -> N1 [label="optimizes SEO" color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="A or B tests" color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="handles PR" color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="forms partnerships" color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label="personalizes content" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N7 [label="manages affiliates" color="#F06292" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_189.txt b/test/graphviz/graph_easy/graphviz_189.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ae85158f7190b3a4e29aca7cf0298946cee47a83
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_189.txt
@@ -0,0 +1,10 @@
+<Affiliate Marketing, handles PR, Brand Strategy Development>
+<Brand Reputation Management, forms partnerships, Content Marketing>
+<Brand Strategy Development, connectedTo, Brand Reputation Management>
+<Competitive Analysis, A or B tests, Influencer Marketing>
+<Content Marketing, connectedTo, Event Marketing>
+<Conversion Rate Optimization, connectedTo, Affiliate Marketing>
+<Event Marketing, personalizes content, Conversion Rate Optimization>
+<Influencer Marketing, connectedTo, Affiliate Marketing>
+<Influencer Marketing, manages affiliates, Event Marketing>
+<Podcast Marketing, optimizes SEO, Competitive Analysis>
diff --git a/test/graphviz/graph_easy/graphviz_19.dot b/test/graphviz/graph_easy/graphviz_19.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb6f1c41f72ef9b19d76a60099a83f0c0e62dc99
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_19.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Energy Efficiency Audit" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Pipeline Monitoring" color="#61CAC3" fillcolor="#C2E8E6" shape=folder style=filled]
+	N2 [label="Smart Metering" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N3 [label="Outage Detection" color="#81C784" fillcolor="#F1F8E9" shape=octagon style=filled]
+	N4 [label="Energy Infrastructure Planning" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N5 [label="Energy Trading" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+	N6 [label="Battery Monitoring" color="#E57373" fillcolor="#FFEBEE" shape=octagon style=filled]
+	N7 [label="Substation Automation" color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N8 [label="Grid Balancing" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N9 [label="Energy Storage" color="#61CAC3" fillcolor="#C2E8E6" shape=Mdiamond style=filled]
+	N10 [label="Carbon Capture" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N11 [label="Generator Check" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=monitors color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=licenses color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=models color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=distributes color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=optimizes color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=permits color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N8 [label=regulates color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N7 [label=predicts color="#81C784" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_19.txt b/test/graphviz/graph_easy/graphviz_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52d91ded1976ecbdaf3ec0f940e5db6b9b273c40
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_19.txt
@@ -0,0 +1,13 @@
+<Battery Monitoring, models, Substation Automation>
+<Carbon Capture, permits, Generator Check>
+<Carbon Capture, regulates, Grid Balancing>
+<Energy Efficiency Audit, connectedTo, Pipeline Monitoring>
+<Energy Infrastructure Planning, connectedTo, Energy Trading>
+<Energy Storage, optimizes, Carbon Capture>
+<Energy Trading, connectedTo, Battery Monitoring>
+<Energy Trading, predicts, Substation Automation>
+<Grid Balancing, connectedTo, Energy Storage>
+<Outage Detection, audits, Energy Infrastructure Planning>
+<Pipeline Monitoring, monitors, Smart Metering>
+<Smart Metering, licenses, Outage Detection>
+<Substation Automation, distributes, Grid Balancing>
diff --git a/test/graphviz/graph_easy/graphviz_190.txt b/test/graphviz/graph_easy/graphviz_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7ef83044fcfb50d1532aa644c931be2809349dd9
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_190.txt
@@ -0,0 +1,11 @@
+<A or B Testing for Ads, connectedTo, Display Advertising>
+<Competitor Ad Analysis, connectedTo, Psychographic Targeting>
+<Digital Advertising, generates responses, Regulatory Compliance for Ads>
+<Display Advertising, ensures compliance, Fraud Detection in Ads>
+<Fraud Detection in Ads, connectedTo, Display Advertising>
+<Fraud Detection in Ads, connectedTo, Video Advertising>
+<Psychographic Targeting, manages budgets, A or B Testing for Ads>
+<Regulatory Compliance for Ads, segments audiences, Fraud Detection in Ads>
+<Regulatory Compliance for Ads, television ads, Demographic Targeting>
+<Retargeting Campaigns, connectedTo, Competitor Ad Analysis>
+<Video Advertising, creates landing pages, Digital Advertising>
diff --git a/test/graphviz/graph_easy/graphviz_192.dot b/test/graphviz/graph_easy/graphviz_192.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b37553fe5d0290f03fe98037aeeb8cfafab1e62f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_192.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Audience Targeting" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label="Fraud Detection in Ads" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N2 [label="Print Advertising" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N3 [label="Return on Ad Spend Calculation" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N4 [label="Ad Analytics Reporting" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N5 [label="Customer Acquisition Cost Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N6 [label="Display Advertising" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N7 [label="Television Advertising" color="#64B5F6" fillcolor="#E3F2FD" shape=octagon style=filled]
+	N8 [label="Direct Response Campaigns" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N9 [label="Ad Placement Optimization" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N10 [label="Visual Design for Ads" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N0 -> N1 [label="interprets analytics" color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="digital advertising" color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="builds awareness" color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="social media ads" color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label="A or B tests creatives" color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="detects fraud" color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label="targets psychographics" color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N8 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_194.dot b/test/graphviz/graph_easy/graphviz_194.dot
new file mode 100644
index 0000000000000000000000000000000000000000..57faa13d9cd0d29efb1e5ce31fa9a7b36b42d2fd
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_194.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cross_Chain Bridges" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N1 [label="Public Blockchain Deployment" color="#D2D2D2" fillcolor="#F0F0F0" shape=Mdiamond style=filled]
+	N2 [label="Voting Systems on Blockchain" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N3 [label="Tokenomics Design" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N4 [label="Healthcare Data Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N5 [label="Cross_Border Payments" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N6 [label="Identity Verification on Blockchain" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N7 [label="Energy Trading on Blockchain" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N8 [label="Consortium Blockchain Setup" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="builds NFTs" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="facilitates finance" color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="builds enterprise solutions" color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="conducts ICOs" color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_196.dot b/test/graphviz/graph_easy/graphviz_196.dot
new file mode 100644
index 0000000000000000000000000000000000000000..115cf97a2fe3382c16a5ed440379524cf9dd6ce9
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_196.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Community Building" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Token Generation Event" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N2 [label="Cryptocurrency Education" color="#A188D0" fillcolor="#DACBE3" shape=Mdiamond style=filled]
+	N3 [label="Liquidity Provision" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N4 [label="Initial Exchange Offering" color="#AB47BC" fillcolor="#F3E5F5" shape=oval style=filled]
+	N5 [label="Cross_chain Swaps" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N6 [label="Decentralized Exchange Operation" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N7 [label="Coin Creation" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N8 [label="Blockchain Explorers" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N9 [label="Wallet Development" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N10 [label="Key Management" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N11 [label="Airdrop Campaigns" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N0 -> N1 [label="distributes airdrops" color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="conducts IEOs" color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="designs tokens" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label="operates protocols" color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="explores new chains" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label="custodies assets" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N9 [label="optimizes investments" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_198.txt b/test/graphviz/graph_easy/graphviz_198.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c898b65a935609d2f7caee4f1b3155003ad5b3d7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_198.txt
@@ -0,0 +1,12 @@
+<Airdrop Campaigns, generates yield, Security Audits>
+<Blockchain Explorers, distributes airdrops, Airdrop Campaigns>
+<Coin Creation, designs tokens, Blockchain Explorers>
+<Community Building, integrates fiat, Transaction Processing>
+<Cryptocurrency Trading Bots, connectedTo, Token Generation Event>
+<Fiat On or Off Ramps, ensures compliance, NFT Marketplace Development>
+<NFT Marketplace Development, connectedTo, Venture Capital Funding>
+<Security Audits, connectedTo, Cryptocurrency Trading Bots>
+<Security Audits, secures private keys, Airdrop Campaigns>
+<Token Generation Event, connectedTo, Community Building>
+<Venture Capital Funding, analyzes markets, Coin Creation>
+<Venture Capital Funding, manages portfolios, NFT Marketplace Development>
diff --git a/test/graphviz/graph_easy/graphviz_199.txt b/test/graphviz/graph_easy/graphviz_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa0ee9e76ba4a695cf7f0e4dce5667e8621e154f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_199.txt
@@ -0,0 +1,11 @@
+<Backer Communication, attracts investors, Product Development Lifecycle>
+<Fulfillment Planning, connectedTo, Backer Communication>
+<Legal Compliance, connectedTo, Fulfillment Planning>
+<Payment Processing, adheres to regulations, Shareholder Management>
+<Post_Campaign Reporting, verifies identities, Legal Compliance>
+<Product Development Lifecycle, provides support, Reward_Based Crowdfunding>
+<Project Vetting, connectedTo, Post_Campaign Reporting>
+<Reward_Based Crowdfunding, connectedTo, Pitch Deck Preparation>
+<Shareholder Management, connectedTo, Product Development Lifecycle>
+<Shareholder Management, connectedTo, Video Production for Campaigns>
+<Video Production for Campaigns, measures success, Project Vetting>
diff --git a/test/graphviz/graph_easy/graphviz_2.dot b/test/graphviz/graph_easy/graphviz_2.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e6afc5d5b70abd0bae89b13c4c94e8902e4eb89e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_2.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="IPO Launch" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N1 [label="Securities Trading" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N2 [label="Account Closure" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N3 [label="Financial Advisory" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N4 [label="Customer Onboarding" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N5 [label="Credit Card Application" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Debt Collection" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N7 [label="Loan Processing" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N8 [label="Mortgage Application" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N9 [label="Income Verification" color="#FFC107" fillcolor="#FFECB3" shape=oval style=filled]
+	N10 [label="Transaction Logging" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N0 -> N1 [label=evaluates color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=plans color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=checks color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=optimizes color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=reports color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=scores color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N8 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_2.txt b/test/graphviz/graph_easy/graphviz_2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5771ff1fdf6295e0bdd4385e4fcd0174a62e881b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_2.txt
@@ -0,0 +1,11 @@
+<Account Closure, connectedTo, Financial Advisory>
+<Credit Card Application, checks, Debt Collection>
+<Customer Onboarding, connectedTo, Credit Card Application>
+<Debt Collection, optimizes, Loan Processing>
+<Financial Advisory, connectedTo, Customer Onboarding>
+<IPO Launch, evaluates, Securities Trading>
+<Income Verification, scores, Transaction Logging>
+<Loan Processing, reports, Mortgage Application>
+<Mortgage Application, connectedTo, Income Verification>
+<Securities Trading, plans, Account Closure>
+<Transaction Logging, connectedTo, Mortgage Application>
diff --git a/test/graphviz/graph_easy/graphviz_200.dot b/test/graphviz/graph_easy/graphviz_200.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6a331de5c15255753b8f0cd60bdf512ce4764551
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_200.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Post_Campaign Reporting" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N1 [label="Customer Support for Backers" color="#FFC2C2" fillcolor="#FFEBEB" shape=octagon style=filled]
+	N2 [label="Intellectual Property Protection" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N3 [label="Backer Communication" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N4 [label="Debt Crowdfunding" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N5 [label="Financial Projection Analysis" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N6 [label="Platform Selection" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N7 [label="Payment Processing" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N8 [label="Investor Verification" color="#FFC085" fillcolor="#FFDAB9" shape=oval style=filled]
+	N9 [label="Reward_Based Crowdfunding" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N10 [label="Escrow Management" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N11 [label="Shareholder Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N0 -> N1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="manages debt" color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="plans promotions" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="updates progress" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label="analyzes data" color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label="provides support" color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label="handles logistics" color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label="ensures compliance" color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N0 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N0 [label="manages shareholders" color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_201.txt b/test/graphviz/graph_easy/graphviz_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55d34b554f8781ad8abc7a801db3ce94accabb57
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_201.txt
@@ -0,0 +1,8 @@
+<Debt Crowdfunding, designs rewards, Legal Compliance>
+<Debt Crowdfunding, manages shareholders, Financial Projection Analysis>
+<Financial Projection Analysis, attracts investors, Manufacturing Planning>
+<Investor Relations, connectedTo, Goal Setting>
+<Investor Verification, manages fees, Platform Selection>
+<Legal Compliance, connectedTo, Investor Relations>
+<Manufacturing Planning, facilitates international campaigns, Legal Compliance>
+<Platform Selection, connectedTo, Debt Crowdfunding>
diff --git a/test/graphviz/graph_easy/graphviz_206.dot b/test/graphviz/graph_easy/graphviz_206.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b7de7001733ec157abf1ccb64c7ce3fa1deae4e5
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_206.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TD
+	N0 [label="Telecom Edge Computing" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N1 [label="Microservices on Edge Devices" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N2 [label="Real_time Analytics at Edge" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N3 [label="Offline Functionality" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N4 [label="Virtualization at Edge" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N5 [label="Healthcare Edge Computing" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N6 [label="Fault Tolerance at Edge" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N7 [label="Edge AI Model Deployment" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N8 [label="Edge Computing Hardware Selection" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N9 [label="Local AI or ML Inference" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N10 [label="Edge_to_Cloud Data Transfer Optimization" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N11 [label="Power Consumption Optimization" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N0 -> N1 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="filters data" color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="synchronizes data" color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="selects hardware" color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label="provides fault tolerance" color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label="orchestrates containers" color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label="deploys nodes" color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N0 -> N2 [label="stores data temporarily" color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_208.dot b/test/graphviz/graph_easy/graphviz_208.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f88a02bc6db09b0fb4b3084b085d26ed9bd0cd6c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_208.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TD
+	N0 [label="Multi_Cloud Management" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N1 [label="Cloud Backup Solutions" color="#BDBDBD" fillcolor="#F5F5F5" shape=oval style=filled]
+	N2 [label="Network Configuration in Cloud" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N3 [label="Cloud Security" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
+	N4 [label="Cloud Architecture Design" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N5 [label="Edge_to_Cloud Integration" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N6 [label="Cloud Automation" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N7 [label="Software as a Service" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N0 -> N1 [label="manages IAMs" color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="manages VMs" color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="migrates workloads" color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="automates tasks" color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N7 -> N5 [label="implements DR" color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_209.txt b/test/graphviz/graph_easy/graphviz_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..038c083de228988348f68d8449ef43748649c6c7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_209.txt
@@ -0,0 +1,11 @@
+<Big Data Services in Cloud, automates CI or CD, Edge_to_Cloud Integration>
+<CI or CD Pipelines in Cloud, offers MLaaS, Machine Learning as a Service>
+<Compliance in Cloud, configures networks, Cost Optimization in Cloud>
+<Compliance in Cloud, tags resources, Multi_Cloud Management>
+<Cost Optimization in Cloud, connectedTo, Compliance in Cloud>
+<Edge_to_Cloud Integration, connectedTo, Cost Optimization in Cloud>
+<Machine Learning as a Service, connectedTo, Network Configuration in Cloud>
+<Multi_Cloud Management, connectedTo, Resource Tagging for Cost Allocation>
+<Network Configuration in Cloud, connectedTo, Big Data Services in Cloud>
+<Public Cloud Management, architects solutions, CI or CD Pipelines in Cloud>
+<Resource Tagging for Cost Allocation, connectedTo, Database as a Service>
diff --git a/test/graphviz/graph_easy/graphviz_21.dot b/test/graphviz/graph_easy/graphviz_21.dot
new file mode 100644
index 0000000000000000000000000000000000000000..57251e0f94b42c27966224192a91bcad429bd6c1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_21.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Energy Storage" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Smart Metering" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N2 [label="Grid Modernization" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N3 [label="Geothermal Power" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N4 [label="Transmission Line Maintenance" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N5 [label="Transformer Station" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N6 [label="Carbon Capture" color="#FFEB3B" fillcolor="#FFF9C4" shape=plaintext style=filled]
+	N7 [label="Power Purchase" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N0 -> N1 [label=licenses color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=detects color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=trades color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=controls color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N5 [label=monitors color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_210.txt b/test/graphviz/graph_easy/graphviz_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c434069a66e0d26ada1aee7ce091a431831ec2e4
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_210.txt
@@ -0,0 +1,13 @@
+<API Management in Cloud, connectedTo, Compliance in Cloud>
+<API Management in Cloud, develops cloud_native apps, Cloud Architecture Design>
+<Big Data Services in Cloud, connectedTo, Hybrid Cloud Deployment>
+<Cloud Architecture Design, monitors performance, Cloud Audit Trails>
+<Cloud Audit Trails, connectedTo, Private Cloud Management>
+<Cloud Marketplace Integration, manages VMs, Data Storage in Cloud>
+<Cloud Security, connectedTo, Public Cloud Management>
+<Compliance in Cloud, performs backups, Big Data Services in Cloud>
+<Hybrid Cloud Deployment, connectedTo, Software as a Service>
+<Private Cloud Management, connectedTo, Cloud Marketplace Integration>
+<Private Cloud Management, tags resources, Compliance in Cloud>
+<Public Cloud Management, provides IaaS, API Management in Cloud>
+<Software as a Service, automates CI or CD, Cloud Security>
diff --git a/test/graphviz/graph_easy/graphviz_212.txt b/test/graphviz/graph_easy/graphviz_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..74144693bc1c65d467a184c4a5c6a8275e95abf8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_212.txt
@@ -0,0 +1,10 @@
+<Capacity Planning, connectedTo, Troubleshooting and Support>
+<Hardware Maintenance, installs racks, Monitoring and Alerting>
+<Load Balancer Setup, configures firewalls, User Account Management>
+<Monitoring and Alerting, connectedTo, User Account Management>
+<Monitoring and Alerting, manages groups, Rack and Cabinet Management>
+<Rack and Cabinet Management, connectedTo, VPN Configuration>
+<Troubleshooting and Support, connectedTo, Directory Services>
+<Troubleshooting and Support, monitors performance, User Account Management>
+<User Account Management, applies patches, Capacity Planning>
+<VPN Configuration, performs backups, Load Balancer Setup>
diff --git a/test/graphviz/graph_easy/graphviz_213.dot b/test/graphviz/graph_easy/graphviz_213.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7011922328a384ee44e8a0c8d64e038203eba2e2
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_213.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Directory Services" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Antivirus and Endpoint Protection" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N2 [label="Power and Cooling Management" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N3 [label="Proxy Server Configuration" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N4 [label="Environmental Monitoring" color="#AABEC6" fillcolor="#E0E6E9" shape=folder style=filled]
+	N5 [label="Cabling and Wiring" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N6 [label="Web Server Configuration" color="#BDAFA8" fillcolor="#E4E0DF" shape=oval style=filled]
+	N7 [label="Operating System Installation" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+	N8 [label="Remote Access Solutions" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N0 -> N1 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="configures load balancers" color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="secures systems" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="maintains hardware" color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="virtualizes resources" color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="monitors performance" color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N0 [label="integrates clouds" color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_215.dot b/test/graphviz/graph_easy/graphviz_215.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a720b0315f391b9ce601808c699a5564ea4881f2
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_215.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Feedback Loops" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="Secrets Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N2 [label="Cost Optimization in Cloud DevOps" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N3 [label="Performance Metrics Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N4 [label="Alerting and Incident Response" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label="Automated Deployment" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N6 [label="Automated Testing" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N7 [label="Cloud Native Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N8 [label="Canary Releases" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N9 [label="Configuration Management" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N10 [label="Dynamic Application Security Testing" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N0 -> N1 [label="fosters cross_functional teams" color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="fosters collaboration" color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="performs rollbacks" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="automates quality" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="integrates security" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="builds cloud_native apps" color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N5 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_216.dot b/test/graphviz/graph_easy/graphviz_216.dot
new file mode 100644
index 0000000000000000000000000000000000000000..923b70c4a073da7c6692f6fa54879f2e52a3a44a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_216.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TD
+	N0 [label=GitOps color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="Automated Deployment" color="#9C27B0" fillcolor="#E1BEE7" shape=folder style=filled]
+	N2 [label="Monitoring and Logging" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N3 [label="Rollback Strategies" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N4 [label="Site Reliability Engineering Principles" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	N5 [label="Feature Flags" color="#BCB88A" fillcolor="#F5F5DC" shape=Mdiamond style=filled]
+	N6 [label="Performance Metrics Analysis" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+	N7 [label="Feedback Loops" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N0 -> N1 [label="uses serverless" color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="fosters collaboration" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="uses IaC" color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N4 [label="ensures observability" color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N6 [label="automates quality" color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_216.txt b/test/graphviz/graph_easy/graphviz_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4ca27b7a555acab2cf6cb8135690e272a1087783
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_216.txt
@@ -0,0 +1,9 @@
+<Automated Deployment, automates quality, Performance Metrics Analysis>
+<Automated Deployment, fosters collaboration, Monitoring and Logging>
+<Feature Flags, connectedTo, Performance Metrics Analysis>
+<Feature Flags, ensures observability, Site Reliability Engineering Principles>
+<GitOps, uses serverless, Automated Deployment>
+<Monitoring and Logging, connectedTo, Rollback Strategies>
+<Performance Metrics Analysis, connectedTo, Feedback Loops>
+<Rollback Strategies, uses IaC, Site Reliability Engineering Principles>
+<Site Reliability Engineering Principles, connectedTo, Feature Flags>
diff --git a/test/graphviz/graph_easy/graphviz_218.dot b/test/graphviz/graph_easy/graphviz_218.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a912d10a139e5cf45d90724dfe41896a0d9196fd
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_218.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Database Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Scalability Design" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+	N2 [label="Continuous Delivery" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N3 [label="User Experience Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N4 [label=Documentation color="#DCE775" fillcolor="#FCFCE7" shape=oval style=filled]
+	N5 [label="Unit Testing" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N6 [label="Code Review" color="#5C6BC0" fillcolor="#E8EAF6" shape=folder style=filled]
+	N7 [label="Technical Debt Management" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N8 [label="Testing Frameworks" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N0 -> N1 [label="develops web apps" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="builds desktop apps" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="designs APIs" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="manages versions" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N5 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_219.dot b/test/graphviz/graph_easy/graphviz_219.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8a73e8dca5fc41261a3a21dbf0f234d71a659dd7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_219.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Game Development" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label="Database Design" color="#66BB6A" fillcolor="#E8F5E9" shape=octagon style=filled]
+	N2 [label="Integration Testing" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N3 [label="Agile Methodologies" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N4 [label="Desktop Application Development" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N5 [label=Containerization color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N6 [label="Continuous Delivery" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N7 [label="Algorithm Design" color="#A188D0" fillcolor="#DACBE3" shape=plaintext style=filled]
+	N8 [label="API Development" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N9 [label="Unit Testing" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="manages versions" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="designs UXs" color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label="fixes bugs" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N4 [label="codes features" color="#A188D0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_22.dot b/test/graphviz/graph_easy/graphviz_22.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e0ae653dd7879222f6d28983d4583efcf1c0bcc7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_22.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Trademark Registration" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N1 [label="Trial Session" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N2 [label="Jury Selection" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N3 [label="Bail Hearing" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N4 [label="Evidence Collection" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="Legal Research" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N6 [label="Divorce Proceedings" color="#9575CD" fillcolor="#EDE7F6" shape=oval style=filled]
+	N7 [label="Pro Bono Work" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N8 [label="Corporate Formation" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N9 [label="Amicus Brief Submission" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N10 [label="Due Diligence" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N11 [label="Immigration Petition" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=documents color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=drafts color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=educates color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=analyzes color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=registers color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N9 -> N2 [label=appeals color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_222.dot b/test/graphviz/graph_easy/graphviz_222.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a2407f94a350bdfdab9955d837cab61644c66024
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_222.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Microcontroller Programming" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label=Documentation color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N2 [label="Enclosure Design" color="#64B5F6" fillcolor="#E3F2FD" shape=Mdiamond style=filled]
+	N3 [label="Thermal Management" color="#64B5F6" fillcolor="#E3F2FD" shape=oval style=filled]
+	N4 [label="Reverse Engineering" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N5 [label="Circuit Design" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N6 [label="Low_Power Design" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N7 [label="Firmware Development" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N8 [label="Signal Integrity Analysis" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N0 -> N1 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="designs optical systems" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="analyzes thermals" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="designs for high speed" color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="creates documentation" color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N7 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_222.txt b/test/graphviz/graph_easy/graphviz_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8b781a6df0cd070bd90d7c57567ba8e74b2dfd5
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_222.txt
@@ -0,0 +1,10 @@
+<Circuit Design, connectedTo, Low_Power Design>
+<Documentation, designs optical systems, Enclosure Design>
+<Enclosure Design, analyzes thermals, Thermal Management>
+<Firmware Development, connectedTo, Signal Integrity Analysis>
+<Low_Power Design, creates documentation, Firmware Development>
+<Microcontroller Programming, connectedTo, Documentation>
+<Microcontroller Programming, connectedTo, Firmware Development>
+<Reverse Engineering, designs for high speed, Circuit Design>
+<Signal Integrity Analysis, connectedTo, Firmware Development>
+<Thermal Management, connectedTo, Reverse Engineering>
diff --git a/test/graphviz/graph_easy/graphviz_223.txt b/test/graphviz/graph_easy/graphviz_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04af8e6a5bd2cba05e2112027dd5cb5d006ff97c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_223.txt
@@ -0,0 +1,9 @@
+<API Development, connectedTo, Ad Monetization>
+<Ad Monetization, enables real_time features, Widget Development>
+<In_App Purchase Integration, implements notifications, Ad Monetization>
+<Offline Mode Development, conducts tests, In_App Purchase Integration>
+<Security Implementation, gathers feedback, API Development>
+<User Feedback Collection, connectedTo, Wireframing>
+<Widget Development, connectedTo, Wireframing>
+<Widget Development, manages databases, User Feedback Collection>
+<Wireframing, develops cross_platform apps, Offline Mode Development>
diff --git a/test/graphviz/graph_easy/graphviz_224.dot b/test/graphviz/graph_easy/graphviz_224.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4127064f63fe4c2b9d8b3a476247c7c4e27b2d55
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_224.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Native App Development" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Analytics Tracking" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N2 [label="Accessibility Features" color="#B0C5CD" fillcolor="#DFE7EB" shape=Mdiamond style=filled]
+	N3 [label="Microphone Integration" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N4 [label="Backend Integration" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N5 [label="Geolocation Services" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+	N6 [label="Wearable Device Integration" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N7 [label="Cross_Platform Development" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N8 [label="Deep Linking" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N9 [label="Crash Reporting" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N0 -> N1 [label="monitors crashes" color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="processes payments" color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="implements notifications" color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="gamifies experiences" color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="builds backends" color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N6 [label="implements biometrics" color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N3 -> N0 [label="gathers feedback" color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_224.txt b/test/graphviz/graph_easy/graphviz_224.txt
new file mode 100644
index 0000000000000000000000000000000000000000..38ff3421eb420be6dbc6a633752453805c97bd41
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_224.txt
@@ -0,0 +1,11 @@
+<Accessibility Features, processes payments, Microphone Integration>
+<Analytics Tracking, connectedTo, Accessibility Features>
+<Backend Integration, gamifies experiences, Geolocation Services>
+<Cross_Platform Development, connectedTo, Deep Linking>
+<Deep Linking, connectedTo, Crash Reporting>
+<Deep Linking, implements biometrics, Wearable Device Integration>
+<Geolocation Services, connectedTo, Wearable Device Integration>
+<Microphone Integration, gathers feedback, Native App Development>
+<Microphone Integration, implements notifications, Backend Integration>
+<Native App Development, monitors crashes, Analytics Tracking>
+<Wearable Device Integration, builds backends, Cross_Platform Development>
diff --git a/test/graphviz/graph_easy/graphviz_227.dot b/test/graphviz/graph_easy/graphviz_227.dot
new file mode 100644
index 0000000000000000000000000000000000000000..02eb9c589eaea64774f5f0a10f5b8fe00d96dcbb
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_227.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Ethical Use of Social Media" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N1 [label="Social Selling" color="#607D8B" fillcolor="#CFD8DC" shape=Mdiamond style=filled]
+	N2 [label="Link_in_Bio Optimization" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N3 [label="Trend Monitoring" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N4 [label="Personal Branding on Social Media" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N5 [label="Brand Voice Development" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N6 [label="Crisis Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N7 [label="Content Creation" color="#CB9BE1" fillcolor="#F2E6F5" shape=plaintext style=filled]
+	N8 [label="Reels or Short Video Production" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N0 -> N1 [label="considers ethics" color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="forms partnerships" color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="monitors trends" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="moderates comments" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="creates content" color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_229.dot b/test/graphviz/graph_easy/graphviz_229.dot
new file mode 100644
index 0000000000000000000000000000000000000000..060bb8b3fc46edf9d308ec097f7a3f097fdb6b72
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_229.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Technical SEO" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N1 [label="Knowledge Graph Integration" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N2 [label="Negative SEO Prevention" color="#388E3C" fillcolor="#F1F8E9" shape=octagon style=filled]
+	N3 [label="Schema Markup Implementation" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N4 [label="Search Console Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N5 [label="Core Web Vitals Optimization" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N6 [label="Rank Tracking" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N7 [label="Content Quality Assessment" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="understands intent" color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="manages technical SEO" color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="handles negative SEO" color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="interprets analytics" color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="indexes images" color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N0 [label="processes queries" color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_23.dot b/test/graphviz/graph_easy/graphviz_23.dot
new file mode 100644
index 0000000000000000000000000000000000000000..89770d87c61dea85effe63e2a2cbc5c170379e78
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_23.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Estate Planning" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Intel Property Licensing" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N2 [label="Court Order Execution" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N3 [label="Pro Bono Work" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N4 [label="Legal Consultation" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Appeal Submission" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Corporate Formation" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+	N7 [label="Legal Research" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N0 -> N1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=pleads color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=interviews color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=appeals color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N2 [label=licences color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_231.txt b/test/graphviz/graph_easy/graphviz_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ef4c7c0b2a46f5ff8204aedbfeb5324fc0441823
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_231.txt
@@ -0,0 +1,10 @@
+<Google Analytics Integration, crawls websites, News Search>
+<Google My Business Management, connectedTo, Site Architecture Optimization>
+<Google My Business Management, processes updates, Paid Search Advertising>
+<Image Search, ranks results, Negative SEO Prevention>
+<Keyword Research, connectedTo, Google Analytics Integration>
+<Negative SEO Prevention, connectedTo, Google My Business Management>
+<Paid Search Advertising, optimizes for mobile, Video Search>
+<Semantic Search, connectedTo, Paid Search Advertising>
+<Site Architecture Optimization, connectedTo, Semantic Search>
+<Video Search, generates featured snippets, Keyword Research>
diff --git a/test/graphviz/graph_easy/graphviz_237.dot b/test/graphviz/graph_easy/graphviz_237.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cd66c8360fc619427bab67475204b00ba684e2d9
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_237.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Assessment Design" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Open Educational Resources Integration" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N2 [label="Competency_Based Education" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N3 [label="Digital Badges" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+	N4 [label="Accessibility Features" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N5 [label="Synchronous Learning" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Adaptive Learning Technologies" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N7 [label="AI in Online Education" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N8 [label="Personalized Learning Paths" color="#AABEC6" fillcolor="#E0E6E9" shape=oval style=filled]
+	N9 [label="Gamification in Education" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N10 [label="Instructor Training" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="secures platforms" color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="hosts MOOCs" color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="trains educators" color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="manages student info" color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="provides digital textbooks" color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N5 [label="simulates labs" color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_238.txt b/test/graphviz/graph_easy/graphviz_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62ed67a72fd7ddb5f11b3f92c44ca71b71ef35cf
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_238.txt
@@ -0,0 +1,11 @@
+<Assessment Creation, administers quizzes, University Partnerships>
+<Course Content Development, analyzes data, Learner Analytics>
+<Forum Moderation, connectedTo, Peer Grading Implementation>
+<Instructor_Led Sessions, complies with regulations, Verified Track Management>
+<Learner Analytics, connectedTo, Instructor_Led Sessions>
+<Peer Grading Implementation, connectedTo, Assessment Creation>
+<Platform Selection, supports diverse learners, Forum Moderation>
+<University Partnerships, manages instructors, Employer Recognition>
+<Verified Track Management, connectedTo, Platform Selection>
+<Verified Track Management, connectedTo, Video Lecture Production>
+<Video Lecture Production, connectedTo, Platform Selection>
diff --git a/test/graphviz/graph_easy/graphviz_241.txt b/test/graphviz/graph_easy/graphviz_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..035968c37c6a5e231101e72a777151454e70ecf1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_241.txt
@@ -0,0 +1,12 @@
+<Adaptive Learning Algorithms, publishes, Online Course Delivery>
+<Graduate School Exam Prep, analyzes, Interactive Exercises>
+<History Topic Mastery, connectedTo, Study Group Facilitation>
+<Interactive Exercises, connectedTo, Writing Skills Improvement>
+<Online Course Delivery, connectedTo, Test_Taking Strategies>
+<Study Group Facilitation, adapts, Test_Taking Strategies>
+<Study Group Facilitation, connectedTo, Adaptive Learning Algorithms>
+<Study Group Facilitation, connectedTo, Tutoring Session>
+<Subject Matter Review, customizes, Graduate School Exam Prep>
+<Test_Taking Strategies, connectedTo, History Topic Mastery>
+<Tutoring Session, connectedTo, Student Progress Tracking>
+<Writing Skills Improvement, markets, Adaptive Learning Algorithms>
diff --git a/test/graphviz/graph_easy/graphviz_242.dot b/test/graphviz/graph_easy/graphviz_242.dot
new file mode 100644
index 0000000000000000000000000000000000000000..674eb08a39facdd789a629f27b071fbf949c3e7f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_242.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TD
+	N0 [label="Reading Comprehension Drills" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label="Writing Skills Improvement" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N2 [label="AI_Powered Tutoring" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N3 [label="Flashcard Creation" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N4 [label="Time Management Coaching" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N5 [label="Exam Day Tips" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N6 [label="Science Concept Review" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N7 [label="English Proficiency Test Prep" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+	N8 [label="Curriculum Development" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=registers color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=adapts color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=remediates color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=assesses color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=reviews color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N2 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N2 [label=scores color="#E57373" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_242.txt b/test/graphviz/graph_easy/graphviz_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8b73744d81bb8d91b7c5afaaa6d7e08cb022825
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_242.txt
@@ -0,0 +1,10 @@
+<AI_Powered Tutoring, connectedTo, Flashcard Creation>
+<Curriculum Development, scores, AI_Powered Tutoring>
+<English Proficiency Test Prep, reviews, Curriculum Development>
+<Exam Day Tips, connectedTo, Science Concept Review>
+<Flashcard Creation, adapts, Time Management Coaching>
+<Flashcard Creation, connectedTo, AI_Powered Tutoring>
+<Reading Comprehension Drills, connectedTo, Writing Skills Improvement>
+<Science Concept Review, assesses, English Proficiency Test Prep>
+<Time Management Coaching, remediates, Exam Day Tips>
+<Writing Skills Improvement, registers, AI_Powered Tutoring>
diff --git a/test/graphviz/graph_easy/graphviz_243.dot b/test/graphviz/graph_easy/graphviz_243.dot
new file mode 100644
index 0000000000000000000000000000000000000000..72efefe07a21a98452eb0bde46ddb3eee47a525c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_243.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TD
+	N0 [label="Reading Comprehension Drills" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N1 [label="Parent or Guardian Updates" color="#FFC107" fillcolor="#FFECB3" shape=plaintext style=filled]
+	N2 [label="Score Analysis" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N3 [label="Curriculum Development" color="#FFC107" fillcolor="#FFECB3" shape=plaintext style=filled]
+	N4 [label="Math Skills Refresher" color="#A188DB" fillcolor="#DED7F0" shape=Mdiamond style=filled]
+	N5 [label="College Entrance Exam Prep" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N6 [label="Personalized Study Plans" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N7 [label="Flashcard Creation" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N8 [label="Motivation Coaching" color="#A188DB" fillcolor="#DED7F0" shape=folder style=filled]
+	N9 [label="Diagnostic Assessment" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=reviews color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=practices color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=interacts color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N3 -> N8 [label=assesses color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N2 [label=revises color="#A188DB" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_244.dot b/test/graphviz/graph_easy/graphviz_244.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6b03d86c484f37b44633fa08ee69ea3d3f4fbb31
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_244.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Accent Reduction Coaching" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N1 [label="Language Exchange Programs" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N2 [label="Certification Exam Preparation" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N3 [label="Pronunciation Drills" color="#FFF8A6" fillcolor="#FFFDE0" shape=octagon style=filled]
+	N4 [label="Audio Lessons" color="#9C27B0" fillcolor="#E1BEE7" shape=oval style=filled]
+	N5 [label="AI_Powered Language Tutors" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N6 [label="Slang and Idioms Learning" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N7 [label="Instructor_Led Classes" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N8 [label="Interactive Dialogues" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N9 [label="Role_Playing Scenarios" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N10 [label="Personalized Learning Paths" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N0 -> N1 [label=develops color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=immerses color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=writes color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=adapts color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N6 [label=simulates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N9 -> N2 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_245.txt b/test/graphviz/graph_easy/graphviz_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..66c64ffc8e0110d9a009827aef93ca0483ccf59b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_245.txt
@@ -0,0 +1,11 @@
+<AI_Powered Language Tutors, connectedTo, Sentence Construction Practice>
+<Accent Reduction Coaching, connectedTo, Online Tutoring Sessions>
+<Flashcard Systems, automates, Immersion Programs>
+<Grammar Practice, personalizes, Flashcard Systems>
+<Immersion Programs, connectedTo, Language Exchange Programs>
+<Language Exchange Programs, assesses, AI_Powered Language Tutors>
+<Language for Specific Purposes, connectedTo, Accent Reduction Coaching>
+<Online Tutoring Sessions, connectedTo, Grammar Practice>
+<Personalized Learning Paths, transcribes, Role_Playing Scenarios>
+<Sentence Construction Practice, connectedTo, Accent Reduction Coaching>
+<Sentence Construction Practice, dialogues, Personalized Learning Paths>
diff --git a/test/graphviz/graph_easy/graphviz_248.dot b/test/graphviz/graph_easy/graphviz_248.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d815869c8906cf6a36f0bca6f6e58886ba8b01bc
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_248.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Inpatient Treatment Coordination" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label="Child & Adolescent Therapy" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N2 [label="Group Therapy" color="#8C9EFF" fillcolor="#D3D7EB" shape=folder style=filled]
+	N3 [label="Grief Counseling" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N4 [label="Post_Traumatic Stress Disorder Support" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N5 [label="Art Therapy" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N6 [label="Advocacy for Mental Health" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N7 [label="Trauma Therapy" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+	N8 [label="Suicide Prevention" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+	N9 [label="Eating Disorder Treatment" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N10 [label="Mindfulness Practice" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=diagnoses color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=relieves color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=develops color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=tracks color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=counsels color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N9 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N7 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_249.dot b/test/graphviz/graph_easy/graphviz_249.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fbf262ca0844a9f67b08774e5532b9d04a348dbf
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_249.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Bipolar Disorder Management" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label="Outpatient Program Management" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N2 [label="Suicide Prevention" color="#66BB6A" fillcolor="#E8F5E9" shape=oval style=filled]
+	N3 [label="Advocacy for Mental Health" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N4 [label="Post_Traumatic Stress Disorder Support" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N5 [label="Mental Health Screening" color="#CD8FF2" fillcolor="#ECCFF5" shape=plaintext style=filled]
+	N6 [label="Mindfulness Practice" color="#66BB6A" fillcolor="#E8F5E9" shape=folder style=filled]
+	N7 [label="Emotional Regulation Training" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N8 [label="Schizophrenia Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=octagon style=filled]
+	N9 [label="Treatment Plan Development" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N10 [label="Substance Abuse Counseling" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N0 -> N1 [label=treats color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=records color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=counsels color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=complies color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=refers color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N8 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_250.dot b/test/graphviz/graph_easy/graphviz_250.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c9d935b6085a80bb184838a1555454d47ad4f69e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_250.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Hydration Planning" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="Food Safety Education" color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N2 [label="Sports Nutrition" color="#CB9BE1" fillcolor="#F2E6F5" shape=Mdiamond style=filled]
+	N3 [label="Food Allergy Management" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N4 [label="Micronutrient Analysis" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N5 [label="Maternal Nutrition" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label="Community Nutrition Workshops" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N7 [label="Meal Planning" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N8 [label="Sustainable Food Systems" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N9 [label="Food Waste Reduction" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+	N10 [label="Inflammation and Diet" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N0 -> N1 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=calculates color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=consults color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=personalizes color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=promotes color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N9 -> N6 [label=develops color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_253.txt b/test/graphviz/graph_easy/graphviz_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7db0d6032de9b9af8bdce21030719b290d71b67
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_253.txt
@@ -0,0 +1,9 @@
+<Community Fitness Challenges, connectedTo, HIIT Workouts>
+<HIIT Workouts, connectedTo, Rehabilitation Exercises>
+<HIIT Workouts, researches, Yoga Instruction>
+<Hydration for Exercise, connects, Community Fitness Challenges>
+<Mind_Body Connection, connectedTo, Rehabilitation Exercises>
+<Rehabilitation Exercises, connectedTo, Hydration for Exercise>
+<Weightlifting Techniques, coaches, Mind_Body Connection>
+<Yoga Instruction, assesses, Running Coaching>
+<Youth Fitness Programs, connectedTo, Weightlifting Techniques>
diff --git a/test/graphviz/graph_easy/graphviz_254.dot b/test/graphviz/graph_easy/graphviz_254.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cdaa8d0c951b2ce139dcd641844721900f292f4c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_254.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Mind_Body Connection" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Virtual Fitness Classes" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N2 [label="Fitness Assessment" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N3 [label="Biometric Feedback Integration" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N4 [label="Home Workout Programs" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N5 [label="Running Coaching" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N6 [label="Youth Fitness Programs" color="#DCE775" fillcolor="#FCFCE7" shape=octagon style=filled]
+	N7 [label="Corporate Wellness Programs" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N8 [label="Pilates Instruction" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N9 [label="Body Composition Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N0 -> N1 [label=plans color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=monitors color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=measures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=communicates color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N9 -> N8 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_259.dot b/test/graphviz/graph_easy/graphviz_259.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb93c10660cd9d89907b3f5fbfc23bead122f12a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_259.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Post_Occupancy Evaluation" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N1 [label="Commercial Interior Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=folder style=filled]
+	N2 [label="Healthcare Interior Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N3 [label="Lighting Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N4 [label="Color Scheme Selection" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N5 [label="3D Rendering" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N6 [label="Residential Interior Design" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N7 [label="Bedroom Design" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N8 [label="Office Space Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N0 -> N1 [label=furnishes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=measures color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=sources color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=schedules color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N1 [label=promotes color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_26.dot b/test/graphviz/graph_easy/graphviz_26.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2b727d216c6259b44c29beaeddfc36d8323e1547
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_26.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Route Assignment" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Delay Notification" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N2 [label="Freight Booking" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N3 [label="Customs Declaration" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N4 [label="Supply Chain Visibility" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label=Cross_docking color="#81C784" fillcolor="#F1F8E9" shape=plaintext style=filled]
+	N6 [label="Driver Check_in" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N7 [label=Consolidation color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N8 [label="Inventory Sync" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N9 [label="Container Loading" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N10 [label="Cargo Tracking" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N0 -> N1 [label=supports color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=automates color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=scans color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=loads color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=processes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N4 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_261.txt b/test/graphviz/graph_easy/graphviz_261.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a03a16fa07671d6dfaa339c3ea09288dc2219b44
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_261.txt
@@ -0,0 +1,11 @@
+<3D Rendering, measures, Hospitality Interior Design>
+<Client Consultation, connectedTo, Installation Supervision>
+<Hospitality Interior Design, models, Bedroom Design>
+<Installation Supervision, connectedTo, Residential Interior Design>
+<Installation Supervision, decorates, Bedroom Design>
+<Lighting Design, renders, Material and Finish Specification>
+<Material and Finish Specification, renovates, Office Space Design>
+<Office Space Design, connectedTo, Material and Finish Specification>
+<Office Space Design, connectedTo, Project Management>
+<Project Management, showcases, 3D Rendering>
+<Residential Interior Design, connectedTo, Lighting Design>
diff --git a/test/graphviz/graph_easy/graphviz_265.dot b/test/graphviz/graph_easy/graphviz_265.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a4a6691433be1ed855e8e2e2fb303d1f46cd959
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_265.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TD
+	N0 [label=Inspection color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label=Videography color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N2 [label="Airspace Management for Drones" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N3 [label="Counter_Drone Systems" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N4 [label="Precision Agriculture" color="#A1887F" fillcolor="#EFEBE9" shape=octagon style=filled]
+	N5 [label="Security Surveillance" color="#D2D2D2" fillcolor="#F0F0F0" shape=octagon style=filled]
+	N6 [label="Flight Planning Software" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N7 [label="Autonomous Flight" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N0 -> N1 [label=identifies color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=programs color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=secures color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=collects color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N1 [label=educates color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_267.dot b/test/graphviz/graph_easy/graphviz_267.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ab0556a34b236c82d8b0e844acc8fc6ee8eb11b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_267.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Geofencing Implementation" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Mapping and Surveying" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N2 [label="Aerial Photography" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N3 [label="Thermal Imaging with Drones" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Delivery Services" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N5 [label="Drone Delivery Logistics" color="#4FC3F7" fillcolor="#E1F5FE" shape=oval style=filled]
+	N6 [label="Search and Rescue Operations" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N7 [label="Navigation System" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N0 -> N1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=delivers color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=maintains color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=tracks color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=designs color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=visualizes color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N4 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_267.txt b/test/graphviz/graph_easy/graphviz_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9a29eddef72a1261ae40ceee5a9e9cbc19a6f37
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_267.txt
@@ -0,0 +1,8 @@
+<Aerial Photography, maintains, Thermal Imaging with Drones>
+<Delivery Services, connectedTo, Mapping and Surveying>
+<Delivery Services, tracks, Drone Delivery Logistics>
+<Drone Delivery Logistics, designs, Search and Rescue Operations>
+<Geofencing Implementation, connectedTo, Mapping and Surveying>
+<Mapping and Surveying, delivers, Aerial Photography>
+<Search and Rescue Operations, visualizes, Navigation System>
+<Thermal Imaging with Drones, connectedTo, Delivery Services>
diff --git a/test/graphviz/graph_easy/graphviz_268.dot b/test/graphviz/graph_easy/graphviz_268.dot
new file mode 100644
index 0000000000000000000000000000000000000000..484e3944efd2885b55b7fb3f0842aa76c98bd6d8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_268.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TD
+	N0 [label="Pedestrian Detection" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Fail_Safe Systems" color="#E91E63" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
+	N2 [label="Sensor Integration" color="#E91E63" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
+	N3 [label="Edge Computing for AVs" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Fleet Management" color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+	N5 [label="Localization and Mapping" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N6 [label="Parking Assistance Systems" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N7 [label="Hardware Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N8 [label="Insurance Models for AVs" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N9 [label="Automatic Emergency Braking" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N10 [label="Vehicle_to_Infrastructure Communication" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N0 -> N1 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=controls color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=drives color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=manufactures color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=routes color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=maps color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=informs color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N6 [label=optimizes color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N6 [label=protects color="#E91E63" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_271.dot b/test/graphviz/graph_easy/graphviz_271.dot
new file mode 100644
index 0000000000000000000000000000000000000000..64b491c789a76824ce2c0f98dfff6a9d23ae4ba8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_271.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Micro_mobility Management" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Parking Integration" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N2 [label="Passenger Safety Protocols" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N3 [label="Public Transit Integration" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N4 [label="Policy Advocacy for Shared Mobility" color="#FFE69C" fillcolor="#FFF9D4" shape=oval style=filled]
+	N5 [label="Smart City Integration" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N6 [label="Vehicle Rebalancing" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N7 [label="Public_Private Partnerships" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N8 [label="Sustainability Initiatives" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N0 -> N1 [label=forecasts color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=unlocks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=licenses color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=promotes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=educates color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N8 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_271.txt b/test/graphviz/graph_easy/graphviz_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f509e2413b201e155d306af6ad3a11ef9612b93d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_271.txt
@@ -0,0 +1,9 @@
+<Micro_mobility Management, forecasts, Parking Integration>
+<Parking Integration, unlocks, Passenger Safety Protocols>
+<Passenger Safety Protocols, connectedTo, Public Transit Integration>
+<Policy Advocacy for Shared Mobility, connectedTo, Smart City Integration>
+<Public Transit Integration, licenses, Policy Advocacy for Shared Mobility>
+<Public_Private Partnerships, educates, Sustainability Initiatives>
+<Smart City Integration, connectedTo, Vehicle Rebalancing>
+<Sustainability Initiatives, connectedTo, Parking Integration>
+<Vehicle Rebalancing, promotes, Public_Private Partnerships>
diff --git a/test/graphviz/graph_easy/graphviz_272.dot b/test/graphviz/graph_easy/graphviz_272.dot
new file mode 100644
index 0000000000000000000000000000000000000000..52343a837b6f7ea2c1d55fd5bcafe751c1e6ddec
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_272.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Scooter_sharing Services" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="User Rating and Feedback Systems" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N2 [label="Customer Support" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N3 [label="Payment Processing" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N4 [label="Dynamic Pricing" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N5 [label="Parking Integration" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N6 [label="Data Analytics for Usage Patterns" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N7 [label="Vehicle Location Tracking" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N8 [label="User Registration" color="#FFB74D" fillcolor="#FFF3E0" shape=oval style=filled]
+	N9 [label="Vehicle Rebalancing" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=services color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=optimizes color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=regulates color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N4 [label=forecasts color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_273.dot b/test/graphviz/graph_easy/graphviz_273.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f9849489e94b14a284e632a2b51cd320936efc77
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_273.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TD
+	N0 [label="Charging or Refueling Logistics" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Micro_mobility Management" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N2 [label="Supply_Demand Balancing" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N3 [label="Car_sharing Services" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N4 [label="Accessibility for Users" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N5 [label="Public_Private Partnerships" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N6 [label="Bike_sharing Services" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N7 [label="Passenger Safety Protocols" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N8 [label="Ticketing and Fare Collection" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N0 -> N1 [label=regulates color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=complies color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=verifies color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=secures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=locates color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N8 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N2 -> N6 [label=innovates color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_275.txt b/test/graphviz/graph_easy/graphviz_275.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43c1f80750d469e1077e9e1a967ec7380469ec38
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_275.txt
@@ -0,0 +1,11 @@
+<Access Control Systems, filters, Smart Parking Meters>
+<Automated Parking Garages, repairs, Emergency Vehicle Access Management>
+<Automated Payment, sells, Enforcement and Fines Management>
+<Emergency Vehicle Access Management, secures, On_Street Parking Management>
+<Enforcement and Fines Management, predicts, Automated Parking Garages>
+<Integration with Navigation Apps, informs, Electric Vehicle Charging Integration>
+<On_Street Parking Management, connectedTo, Automated Payment>
+<On_Street Parking Management, connectedTo, Violation Detection>
+<Smart Parking Meters, connectedTo, Ticketing System Integration>
+<Ticketing System Integration, connectedTo, Automated Payment>
+<Violation Detection, maintains, Integration with Navigation Apps>
diff --git a/test/graphviz/graph_easy/graphviz_276.dot b/test/graphviz/graph_easy/graphviz_276.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e650346bf0c1aecc6e131c36a886b177a0e1ced
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_276.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Mobile Parking Apps" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N1 [label="Barrier Gate Control" color="#7E57C2" fillcolor="#EDE7F6" shape=Mdiamond style=filled]
+	N2 [label="Smart Parking Meters" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N3 [label="Billing and Reconciliation" color="#FFC107" fillcolor="#FFECB3" shape=Mdiamond style=filled]
+	N4 [label="Customer Support" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N5 [label="License Plate Recognition" color="#FFC107" fillcolor="#FFECB3" shape=plaintext style=filled]
+	N6 [label="Cloud_based Parking Platforms" color="#7E57C2" fillcolor="#EDE7F6" shape=plaintext style=filled]
+	N7 [label="Event Parking Management" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [label=licenses color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=identifies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=navigates color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N3 [label=displays color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_277.dot b/test/graphviz/graph_easy/graphviz_277.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bdada0419ff2fb45797e37b4f370e9e4c9b9351b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_277.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Concert Ticketing" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Personalized Ticket Offers" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N2 [label="Seat Mapping" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N3 [label="Ticket Sales" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+	N4 [label="Mobile Ticketing" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N5 [label="Subscription or Season Pass Management" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N6 [label="Blockchain Ticketing for Authenticity" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N7 [label="Biometric Ticketing" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N8 [label="Queue Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=sells color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=markets color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=automates color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=scans color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N1 [label=monitors color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> N4 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_277.txt b/test/graphviz/graph_easy/graphviz_277.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4e68606353d1e0a60e4f0725072ba24f9a34e8fc
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_277.txt
@@ -0,0 +1,10 @@
+<Biometric Ticketing, scans, Queue Management>
+<Blockchain Ticketing for Authenticity, connectedTo, Biometric Ticketing>
+<Concert Ticketing, connectedTo, Mobile Ticketing>
+<Concert Ticketing, connectedTo, Personalized Ticket Offers>
+<Mobile Ticketing, automates, Subscription or Season Pass Management>
+<Personalized Ticket Offers, sells, Seat Mapping>
+<Seat Mapping, markets, Ticket Sales>
+<Seat Mapping, monitors, Personalized Ticket Offers>
+<Subscription or Season Pass Management, connectedTo, Blockchain Ticketing for Authenticity>
+<Ticket Sales, connectedTo, Mobile Ticketing>
diff --git a/test/graphviz/graph_easy/graphviz_28.txt b/test/graphviz/graph_easy/graphviz_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..78d0e4e6df322d658030fb78fbe2379c7d80a087
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_28.txt
@@ -0,0 +1,10 @@
+<Billing Inquiry, licenses, Antenna Maintenance>
+<Fiber Optic Deployment, generates, Spectrum Management>
+<Fiber Optic Deployment, tops up, Network Security Monitoring>
+<Fraudulent Call Blocking, connectedTo, Billing Inquiry>
+<Issue Resolution, connectedTo, Roaming Activation>
+<Network Security Monitoring, connectedTo, Spectrum Management>
+<Number Porting, connectedTo, Fiber Optic Deployment>
+<Plan Selection, ports, Number Porting>
+<Roaming Activation, notifies, Fraudulent Call Blocking>
+<Spectrum Management, records, Issue Resolution>
diff --git a/test/graphviz/graph_easy/graphviz_280.txt b/test/graphviz/graph_easy/graphviz_280.txt
new file mode 100644
index 0000000000000000000000000000000000000000..217c6f59a90cab4cb7f2fd297718345a546ee8f5
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_280.txt
@@ -0,0 +1,12 @@
+<Auditability, facilitates, Undue Influence Prevention>
+<Ballot Creation, audits, Touchscreen Voting Machines>
+<Cybersecurity for Voting Systems, connectedTo, System Certification>
+<Risk Management for Elections, connectedTo, Threat Modeling>
+<Risk Management for Elections, detects, Software Integrity Checks>
+<Risk Management for Elections, develops, Touchscreen Voting Machines>
+<Secure Data Transmission, prevents, Cybersecurity for Voting Systems>
+<Software Integrity Checks, encrypts, Hardware Tamper Detection>
+<System Certification, registers, Risk Management for Elections>
+<Threat Modeling, connectedTo, Auditability>
+<Touchscreen Voting Machines, connectedTo, Secure Data Transmission>
+<Undue Influence Prevention, verifies, Software Integrity Checks>
diff --git a/test/graphviz/graph_easy/graphviz_281.txt b/test/graphviz/graph_easy/graphviz_281.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f74754088e0d3704e7cda02fe027f8b0d8c0946
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_281.txt
@@ -0,0 +1,10 @@
+<Anonymous Credential Systems, stores, Hardware Tamper Detection>
+<Ballot Creation, implements, Post_Election Audits>
+<Cryptographic Security, upgrades, Voter Privacy Protection>
+<Hardware Tamper Detection, connectedTo, Optical Scan Systems>
+<Online Voting Systems, detects, Security Protocols>
+<Optical Scan Systems, communicates, Public Trust Building>
+<Public Trust Building, reports, Online Voting Systems>
+<Security Protocols, connectedTo, Hardware Tamper Detection>
+<Security Protocols, prevents, Cryptographic Security>
+<Voter Privacy Protection, connectedTo, Ballot Creation>
diff --git a/test/graphviz/graph_easy/graphviz_282.dot b/test/graphviz/graph_easy/graphviz_282.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3736f3b07e77d3289caad62cc4655c86e00253a4
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_282.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label=Auditability color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Results Aggregation" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N2 [label="Vote Counting" color="#FBC02D" fillcolor="#FFFDE7" shape=octagon style=filled]
+	N3 [label="Voter Authentication" color="#FBC02D" fillcolor="#FFFDE7" shape=octagon style=filled]
+	N4 [label=Transparency color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N5 [label="Security Protocols" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N6 [label="Blockchain for Voting" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N7 [label="Voter Registration" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+	N8 [label="Voting Machine Design" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N0 -> N1 [label=encrypts color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=detects color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=registers color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=facilitates color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N8 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N0 [label=casts color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_283.dot b/test/graphviz/graph_easy/graphviz_283.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d461d1a6e7b65324c5cd410f3256565949b243a1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_283.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Policy Evaluation" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N1 [label="Non_profit Policy Influence" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+	N2 [label="Stakeholder Analysis" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N3 [label="Qualitative Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N4 [label="Local Government Policy" color="#8C9EFF" fillcolor="#D3D7EB" shape=octagon style=filled]
+	N5 [label="Communication Strategy" color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N6 [label="International Policy Analysis" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N7 [label="Option Generation" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N8 [label="Public Opinion Research" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N0 -> N1 [label=recommends color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=interprets color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=influences color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=informs color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_284.dot b/test/graphviz/graph_easy/graphviz_284.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f3c510445d4aa9458e27943480d4dc19e5b4e363
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_284.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Budgetary Implications" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Implementation Plan Development" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N2 [label="Policy Advocacy and Lobbying" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N3 [label="Comparative Policy Analysis" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N4 [label="Political Feasibility Assessment" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N5 [label="Evidence_Based Policymaking" color="#FFE470" fillcolor="#FFFAE0" shape=Mdiamond style=filled]
+	N6 [label="Criteria Establishment" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N7 [label="Data Visualization for Policy" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N0 -> N1 [label=evaluates color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=advocates color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=trains color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=influences color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N6 -> N5 [label=proposes color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_285.dot b/test/graphviz/graph_easy/graphviz_285.dot
new file mode 100644
index 0000000000000000000000000000000000000000..03a615f9f3a247bc25b1b0e2d88ff5278809f04f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_285.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Option Generation" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Forecasting and Scenario Planning" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N2 [label="Data Visualization for Policy" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N3 [label="Ethical Considerations" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N4 [label="Interagency Coordination" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N5 [label="Public Consultation Process" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N6 [label="Policy Advocacy and Lobbying" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N7 [label="Evidence_Based Policymaking" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N8 [label="Cost_Benefit Analysis" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N9 [label="Policy Brief Writing" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=protects color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=validates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=consults color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=trains color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N4 -> N1 [label=models color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_286.dot b/test/graphviz/graph_easy/graphviz_286.dot
new file mode 100644
index 0000000000000000000000000000000000000000..79dd4a89895bdbab856190b4598d4c5b1ed69b8c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_286.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TD
+	N0 [label="Plagiarism Detection" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N1 [label="Bias Mitigation" color="#A1887F" fillcolor="#EFEBE9" shape=plaintext style=filled]
+	N2 [label="Sampling Techniques" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N3 [label="Presentation at Conferences" color="#BA68C8" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N4 [label="Intellectual Property in Research" color="#BA68C8" fillcolor="#F3E5F5" shape=folder style=filled]
+	N5 [label="Experiment Design" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N6 [label="Qualitative Analysis" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N7 [label="Data Analysis" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N8 [label="Reproducibility Studies" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N9 [label="Variable Identification" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=ethics color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="data management" color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=analyzes color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=replicates color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=experimentals color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=revises color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N2 [label=grants color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_286.txt b/test/graphviz/graph_easy/graphviz_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4fbb6950d8b534808b9bd4c4732086e320c59b07
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_286.txt
@@ -0,0 +1,10 @@
+<Bias Mitigation, connectedTo, Sampling Techniques>
+<Data Analysis, experimentals, Reproducibility Studies>
+<Experiment Design, connectedTo, Qualitative Analysis>
+<Intellectual Property in Research, analyzes, Experiment Design>
+<Intellectual Property in Research, grants, Sampling Techniques>
+<Plagiarism Detection, connectedTo, Bias Mitigation>
+<Presentation at Conferences, data management, Intellectual Property in Research>
+<Qualitative Analysis, replicates, Data Analysis>
+<Reproducibility Studies, revises, Variable Identification>
+<Sampling Techniques, ethics, Presentation at Conferences>
diff --git a/test/graphviz/graph_easy/graphviz_287.txt b/test/graphviz/graph_easy/graphviz_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3faf6d113fc811f4c8876f3db743054f8a311bb4
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_287.txt
@@ -0,0 +1,10 @@
+<Data Management Plan, investigates, Statistical Analysis>
+<Experiment Design, connectedTo, Public Engagement with Research>
+<Journal Publication, assesses, Data Visualization for Research>
+<Public Engagement with Research, integrity, Journal Publication>
+<Research Collaboration, connectedTo, Survey Design>
+<Research Design, patents, Research Collaboration>
+<Statistical Analysis, connectedTo, Experiment Design>
+<Survey Design, connectedTo, Data Management Plan>
+<Theory Development, hypothesizes, Data Management Plan>
+<Theory Development, peer review, Research Design>
diff --git a/test/graphviz/graph_easy/graphviz_288.dot b/test/graphviz/graph_easy/graphviz_288.dot
new file mode 100644
index 0000000000000000000000000000000000000000..940856661ed0c6603d26379e5d121c4c0e3826be
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_288.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Data Visualization for Research" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="Funding Agency Reporting" color="#9C27B0" fillcolor="#E1BEE7" shape=plaintext style=filled]
+	N2 [label="Research Ethics Application" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N3 [label="Bias Mitigation" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N4 [label="Open Science Practices" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N5 [label="Data Collection" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N6 [label="Sampling Techniques" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N7 [label="Peer Review Process" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N8 [label="Data Analysis" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N0 -> N1 [label=reviews color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=experimentals color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="open science" color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="peer review" color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=educates color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N0 -> N7 [label=archives color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_289.txt b/test/graphviz/graph_easy/graphviz_289.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bcdfb4aa5b0917795dc314f57a8a86f9ac8e1877
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_289.txt
@@ -0,0 +1,9 @@
+<Archival Integration, processes, Search Functionality>
+<Digital Resource Management, connectedTo, Personalized Recommendations>
+<Linked Data for Libraries, acquires, Archival Integration>
+<Personalized Recommendations, connectedTo, Linked Data for Libraries>
+<Reporting and Analytics, preserves, User Account Management>
+<Search Functionality, connectedTo, Reporting and Analytics>
+<Self_Checkout Kiosks, renews, Digital Resource Management>
+<User Account Management, connectedTo, Reporting and Analytics>
+<User Account Management, weeds, Self_Checkout Kiosks>
diff --git a/test/graphviz/graph_easy/graphviz_292.dot b/test/graphviz/graph_easy/graphviz_292.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d89b1e41d6e6be7f329246ef16e3589794c48916
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_292.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TD
+	N0 [label="Emulation for Obsolete Formats" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N1 [label="Legal and Ethical Compliance" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N2 [label="Data Migration for Digital Archives" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N3 [label="Database Management" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N4 [label="Grant Writing for Archives" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N5 [label="Records Retention Scheduling" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N6 [label="Public Access Systems" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N7 [label="Oral History Collection" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N8 [label="Preservation Planning" color="#6FE1D5" fillcolor="#C9EFEC" shape=octagon style=filled]
+	N9 [label="Web Archiving" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=governs color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=consults color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=publishes color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=regulates color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=validates color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_298.dot b/test/graphviz/graph_easy/graphviz_298.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f69f303563db1320fb8fe8cdb54de8d3474e0166
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_298.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Code of Conduct Implementation" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N1 [label="Consumer Protection Compliance" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N2 [label="Financial Regulations Compliance" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N3 [label="Monitoring and Enforcement" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+	N4 [label="Corporate Governance Standards" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N5 [label="CSR Reporting" color="#FFF9AE" fillcolor="#FFFCE6" shape=folder style=filled]
+	N6 [label="Policy Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N7 [label="Transparent Communication" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N8 [label="Bias Mitigation" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N9 [label="Product Safety Compliance" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N0 -> N1 [label=responds color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=codes color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=standards color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=reviews color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=assesses color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N0 [label=prevents color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_299.dot b/test/graphviz/graph_easy/graphviz_299.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ca966bf0aeea4df728a1c93087dde84b3befd7a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_299.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TD
+	N0 [label="Compliance Training" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Compliance Software Implementation" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N2 [label="Healthcare Compliance" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N3 [label="Reporting Mechanisms" color="#92C79A" fillcolor="#E8F0EA" shape=oval style=filled]
+	N4 [label="Third_Party Due Diligence" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N5 [label="Code of Conduct Implementation" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N6 [label="Transparent Communication" color="#66BB6A" fillcolor="#E8F5E9" shape=folder style=filled]
+	N7 [label="Anti_Bribery and Corruption Compliance" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N8 [label="Compliance Hotlines" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N9 [label="Ethical AI Guidelines" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N0 -> N1 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=policies color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=responds color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=accredits color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N3 [label=assesses color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_300.txt b/test/graphviz/graph_easy/graphviz_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..98c63204bd247a0e500a26f2acf5c88e969b7d79
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_300.txt
@@ -0,0 +1,11 @@
+<Data Privacy Compliance, develops, Regulatory Interpretation>
+<Ethics Committee Formation, connectedTo, Compliance Hotlines>
+<Fair Competition Compliance, assesses, Monitoring and Enforcement>
+<Fair Competition Compliance, secures, Legal Advisory>
+<Healthcare Compliance, certifies, Fair Competition Compliance>
+<Legal Advisory, connectedTo, Policy Development>
+<Monitoring and Enforcement, guides, Healthcare Compliance>
+<Policy Development, connectedTo, Data Privacy Compliance>
+<Product Safety Compliance, privacy, Monitoring and Enforcement>
+<Regulatory Interpretation, connectedTo, Ethics Committee Formation>
+<Reporting Mechanisms, respects, Product Safety Compliance>
diff --git a/test/graphviz/graph_easy/graphviz_304.dot b/test/graphviz/graph_easy/graphviz_304.dot
new file mode 100644
index 0000000000000000000000000000000000000000..895c19c0b70ad52034c62d99cc04bfffe94ff301
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_304.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label=Counter_Propaganda color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N1 [label="Training Exercises" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N2 [label="Cybersecurity Defense" color="#FFE470" fillcolor="#FFFAE0" shape=plaintext style=filled]
+	N3 [label="Border Security" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N4 [label="Intelligence Analysis" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N5 [label="Port Security" color="#FFEB3B" fillcolor="#FFF9C4" shape=octagon style=filled]
+	N6 [label="Drone Countermeasures" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N7 [label="Bomb Disposal" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N8 [label="Homeland Security Planning" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N9 [label="Legislation and Policy Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N10 [label="Psychological Operations" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N0 -> N1 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=policies_develops color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=rescues_hostages color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=crisis_manages color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=mitigates color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=partners_engages color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=risk_assesses color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=analyzes color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N5 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_307.txt b/test/graphviz/graph_easy/graphviz_307.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ebbfd43e034625410cee4168b5c70d480d0e448
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_307.txt
@@ -0,0 +1,11 @@
+<Asset Tracking, connectedTo, Night Vision Technology>
+<CCTV Monitoring, connectedTo, Industrial Surveillance>
+<Data Storage and Retention, connectedTo, Industrial Surveillance>
+<Data Storage and Retention, connectedTo, Traffic Surveillance>
+<Environmental Monitoring, controls, Facial Recognition Systems>
+<Facial Recognition Systems, connectedTo, Video Analytics>
+<Night Vision Technology, connectedTo, Environmental Monitoring>
+<Perimeter Security, connectedTo, Environmental Monitoring>
+<Perimeter Security, tracks, CCTV Monitoring>
+<Traffic Surveillance, authenticates, Perimeter Security>
+<Video Analytics, filters, Data Storage and Retention>
diff --git a/test/graphviz/graph_easy/graphviz_310.txt b/test/graphviz/graph_easy/graphviz_310.txt
new file mode 100644
index 0000000000000000000000000000000000000000..066e12d6de697e69860571107db463ecbd680d1b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_310.txt
@@ -0,0 +1,12 @@
+<Burglary Prevention, licenses, Deterrence Strategies>
+<Conflict Resolution Training, educates, Public Awareness Campaigns>
+<Crime Data Analysis, connectedTo, Burglary Prevention>
+<Crime Data Analysis, connectedTo, Conflict Resolution Training>
+<Deterrence Strategies, analyzes_data, Police_Community Relations>
+<Drug Prevention Initiatives, secures, Burglary Prevention>
+<Gang Intervention, connectedTo, Drug Prevention Initiatives>
+<Mediation Services, warns, Gang Intervention>
+<Police_Community Relations, connectedTo, Robbery Prevention>
+<Public Awareness Campaigns, connectedTo, Burglary Prevention>
+<Public Awareness Campaigns, policies_implements, Victim Support Services>
+<Robbery Prevention, community_engages, Crime Data Analysis>
diff --git a/test/graphviz/graph_easy/graphviz_313.dot b/test/graphviz/graph_easy/graphviz_313.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2fdb4d34a4969b7a855c66115b787384a1c4b623
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_313.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Conservation Genetics" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="Population Dynamics Study" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+	N2 [label="Translocation of Species" color="#FFE69C" fillcolor="#FFF9D4" shape=Mdiamond style=filled]
+	N3 [label="GIS Mapping for Habitats" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N4 [label="Species Monitoring" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N5 [label="International Treaties Enforcement" color="#FFE69C" fillcolor="#FFF9D4" shape=plaintext style=filled]
+	N6 [label="Satellite Tracking of Animals" color="#FFF8A6" fillcolor="#FFFDE0" shape=plaintext style=filled]
+	N7 [label="Data Management for Conservation" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N8 [label="Disease Surveillance" color="#FFF8A6" fillcolor="#FFFDE0" shape=plaintext style=filled]
+	N9 [label="Drone_based Monitoring" color="#AB47BC" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N10 [label="Anti_Poaching Operations" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N11 [label="Invasive Species Control" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N0 -> N1 [label=secures_areas color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=models_populations color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=anti_poaching_fights color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=studies color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=data_collects color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=restores color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=researches color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N7 [label=predicts_changes color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N10 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_313.txt b/test/graphviz/graph_easy/graphviz_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d614bc11e4a45f158ea8927ffa2d5fff1f142ff1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_313.txt
@@ -0,0 +1,13 @@
+<Anti_Poaching Operations, connectedTo, Invasive Species Control>
+<Conservation Genetics, secures_areas, Population Dynamics Study>
+<Data Management for Conservation, connectedTo, Disease Surveillance>
+<Disease Surveillance, predicts_changes, Data Management for Conservation>
+<Disease Surveillance, researches, Drone_based Monitoring>
+<Drone_based Monitoring, connectedTo, Anti_Poaching Operations>
+<GIS Mapping for Habitats, studies, Species Monitoring>
+<International Treaties Enforcement, data_collects, Satellite Tracking of Animals>
+<Population Dynamics Study, models_populations, Translocation of Species>
+<Satellite Tracking of Animals, restores, Data Management for Conservation>
+<Species Monitoring, connectedTo, International Treaties Enforcement>
+<Translocation of Species, anti_poaching_fights, GIS Mapping for Habitats>
+<Translocation of Species, connectedTo, Anti_Poaching Operations>
diff --git a/test/graphviz/graph_easy/graphviz_316.dot b/test/graphviz/graph_easy/graphviz_316.dot
new file mode 100644
index 0000000000000000000000000000000000000000..69568a3636da6eb5f1e76ee7be87e17c3d55bad8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_316.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Marine Geology" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Data Visualization" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N2 [label="Physical Oceanography" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N3 [label="Sediment Analysis" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N4 [label="Acoustic Oceanography" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N5 [label="Ocean Temperature Sensing" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N6 [label="Climate Change Impact Study" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N7 [label="Marine Pollution Monitoring" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=charts color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=educates color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=ecosystems color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=deploys_sensors color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N0 [label=observes color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_316.txt b/test/graphviz/graph_easy/graphviz_316.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4e01491ec778708e55d236675b5e9bfc6659a28e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_316.txt
@@ -0,0 +1,9 @@
+<Acoustic Oceanography, educates, Ocean Temperature Sensing>
+<Climate Change Impact Study, deploys_sensors, Marine Pollution Monitoring>
+<Data Visualization, connectedTo, Physical Oceanography>
+<Marine Geology, connectedTo, Data Visualization>
+<Marine Geology, connectedTo, Physical Oceanography>
+<Ocean Temperature Sensing, ecosystems, Climate Change Impact Study>
+<Physical Oceanography, charts, Sediment Analysis>
+<Physical Oceanography, observes, Marine Geology>
+<Sediment Analysis, connectedTo, Acoustic Oceanography>
diff --git a/test/graphviz/graph_easy/graphviz_317.dot b/test/graphviz/graph_easy/graphviz_317.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8536b2e38ce2cb8ad2004dba7ded44154acb3c83
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_317.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Satellite Oceanography" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N1 [label="ROV or AUV Operations" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N2 [label="Plastic Pollution Research" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N3 [label="Fisheries Management" color="#FFD54F" fillcolor="#FFF8E1" shape=Mdiamond style=filled]
+	N4 [label="Underwater Acoustics" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N5 [label="Ocean Renewable Energy" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N6 [label="Ocean Floor Mapping" color="#FFD54F" fillcolor="#FFF8E1" shape=folder style=filled]
+	N7 [label="Ocean Current Measurement" color="#CDDC39" fillcolor="#E6EE9C" shape=octagon style=filled]
+	N8 [label="Salinity Measurement" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N9 [label="Marine Biodiversity Assessment" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N10 [label="Marine Geology" color="#CDDC39" fillcolor="#E6EE9C" shape=folder style=filled]
+	N11 [label="Hydrothermal Vent Exploration" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N0 -> N1 [label=tides color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=reports color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=develops_instruments color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=pollution color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=publishes color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=salinity color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=climate_impacts color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N3 [label=charts color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N6 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_318.dot b/test/graphviz/graph_easy/graphviz_318.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1c72abec347e0e1a9b97c4beac45469f5b80b8f8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_318.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fisheries Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Marine Life Observation" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N2 [label="Sediment Analysis" color="#A188D0" fillcolor="#DACBE3" shape=octagon style=filled]
+	N3 [label="Seabed Resource Exploration" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N4 [label="Physical Oceanography" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N5 [label="Deep_Sea Exploration" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N6 [label="Salinity Measurement" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N7 [label="Plastic Pollution Research" color="#90A4AE" fillcolor="#ECEFF1" shape=oval style=filled]
+	N8 [label="Coral Reef Monitoring" color="#90A4AE" fillcolor="#ECEFF1" shape=Mdiamond style=filled]
+	N9 [label="Data Visualization" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N10 [label="Ocean Drilling Programs" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N11 [label="Marine Geology" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N0 -> N1 [label=publishes color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=collaborates color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=temperature color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=visualizes_data color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=salinity color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=charts color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=understands color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N0 [label=currents color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N9 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_318.txt b/test/graphviz/graph_easy/graphviz_318.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2da6cf63039a7e6cf099266bbc8cf05593550eea
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_318.txt
@@ -0,0 +1,13 @@
+<Coral Reef Monitoring, currents, Fisheries Management>
+<Coral Reef Monitoring, salinity, Data Visualization>
+<Data Visualization, charts, Ocean Drilling Programs>
+<Deep_Sea Exploration, temperature, Salinity Measurement>
+<Fisheries Management, publishes, Marine Life Observation>
+<Marine Life Observation, connectedTo, Sediment Analysis>
+<Ocean Drilling Programs, understands, Marine Geology>
+<Physical Oceanography, collaborates, Deep_Sea Exploration>
+<Plastic Pollution Research, visualizes_data, Coral Reef Monitoring>
+<Salinity Measurement, connectedTo, Plastic Pollution Research>
+<Seabed Resource Exploration, connectedTo, Physical Oceanography>
+<Sediment Analysis, connectedTo, Data Visualization>
+<Sediment Analysis, connectedTo, Seabed Resource Exploration>
diff --git a/test/graphviz/graph_easy/graphviz_32.dot b/test/graphviz/graph_easy/graphviz_32.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c62488f1305874c72a38785f25daca13ff919e09
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_32.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Weather Tracking" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Grain Drying" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N2 [label="Fertilizer Application" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Farm Maintenance" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N4 [label="Packaging for Sale" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N5 [label="Soil Testing" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N6 [label="Disease Detection" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N7 [label="Barn Cleaning" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N8 [label="Precision Farming" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N9 [label="Greenhouse Control" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+	N10 [label="Pest Spraying" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N11 [label="Agricultural Research" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N0 -> N1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=controls color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=removes color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=applies color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=transports color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=propagates color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=plants color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N1 [label=certifies color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_323.txt b/test/graphviz/graph_easy/graphviz_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b3191a0ffbfd229aa1319462ec772e713440ed1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_323.txt
@@ -0,0 +1,11 @@
+<CRISPR Gene Drive Research, algorithms_develops, Genomic Editing>
+<Cancer Genomics, connectedTo, Rare Disease Genomics>
+<Data Privacy in Genomics, connectedTo, Gene Expression Profiling>
+<Gene Expression Profiling, connectedTo, Genome Assembly>
+<Genome_Wide Association Studies, identifies, Variant Calling>
+<Genomic Editing, analyzes, Genome_Wide Association Studies>
+<Genomic Editing, connectedTo, Variant Calling>
+<Rare Disease Genomics, publishes, Data Privacy in Genomics>
+<Social Implications, connectedTo, CRISPR Gene Drive Research>
+<Social Implications, tools_creates, Genome_Wide Association Studies>
+<Variant Calling, therapies_develops, Cancer Genomics>
diff --git a/test/graphviz/graph_easy/graphviz_324.txt b/test/graphviz/graph_easy/graphviz_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..039d955c1357911b0359be5214c59c417b8b9b10
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_324.txt
@@ -0,0 +1,8 @@
+<Biomarker Discovery, tools_creates, Synthetic Genomics>
+<Cancer Genomics, connectedTo, Population Genomics>
+<Computational Genomics, genomes_researches, Genomic Editing>
+<Genomic Editing, compares, Biomarker Discovery>
+<Methylation Analysis, connectedTo, Computational Genomics>
+<Population Genomics, connectedTo, DNA Sequencing>
+<Population Genomics, diagnoses, Computational Genomics>
+<Synthetic Genomics, connectedTo, Cancer Genomics>
diff --git a/test/graphviz/graph_easy/graphviz_325.txt b/test/graphviz/graph_easy/graphviz_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7d6ac4318616dd23b3e760f57a5e57c5ee463b34
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_325.txt
@@ -0,0 +1,10 @@
+<Dialect Adaptation, optimizes, Voice User Interface Design>
+<Disordered Speech Recognition, understands, Dialect Adaptation>
+<Emotion Recognition from Voice, connectedTo, Disordered Speech Recognition>
+<Emotion Recognition from Voice, connectedTo, Speaker Diarization>
+<Language Modeling, builds, Emotion Recognition from Voice>
+<Meeting Transcription, generates, Voice Activity Detection>
+<Robust Speech Recognition, connectedTo, Language Modeling>
+<Robust Speech Recognition, sells, Speaker Diarization>
+<Speaker Diarization, connectedTo, Meeting Transcription>
+<Voice User Interface Design, connectedTo, Speaker Diarization>
diff --git a/test/graphviz/graph_easy/graphviz_326.txt b/test/graphviz/graph_easy/graphviz_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85c12654836bb9dcc6a3381104d1dedd8d45531c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_326.txt
@@ -0,0 +1,10 @@
+<Accent Recognition, connectedTo, Call Center Automation>
+<Call Center Automation, automates, Phonetic Transcription>
+<Call Center Automation, identifies, Legal Transcription>
+<Contextual Understanding, personalizes, Linguistic Analysis>
+<Keyword Spotting, commands, Phonetic Transcription>
+<Legal Transcription, connectedTo, Robust Speech Recognition>
+<Phonetic Transcription, connectedTo, Speech Analytics>
+<Robust Speech Recognition, develops, Security Authentication>
+<Security Authentication, connectedTo, Keyword Spotting>
+<Speech Analytics, learns, Contextual Understanding>
diff --git a/test/graphviz/graph_easy/graphviz_329.txt b/test/graphviz/graph_easy/graphviz_329.txt
new file mode 100644
index 0000000000000000000000000000000000000000..45a3eaf2252664263d6863cdd586fb5c1e70abbf
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_329.txt
@@ -0,0 +1,10 @@
+<Data Cleaning for Text, connectedTo, Tokenization>
+<News Article Analysis, connectedTo, Spam Detection>
+<News Article Analysis, connectedTo, Text Clustering>
+<Sentiment Analysis, connectedTo, Text Visualization>
+<Spam Detection, secures, Plagiarism Detection>
+<Text Clustering, extracts, Text Preprocessing>
+<Text Clustering, filters, Plagiarism Detection>
+<Text Preprocessing, classifies, Sentiment Analysis>
+<Text Visualization, alerts, News Article Analysis>
+<Tokenization, recommends, Text Clustering>
diff --git a/test/graphviz/graph_easy/graphviz_333.dot b/test/graphviz/graph_easy/graphviz_333.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fcf08d6aec309dd9514bb8c3f7e8d347bc43e15b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_333.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Simulation and Prediction" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N1 [label="Cyber_Physical Systems" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N2 [label="Model Creation" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N3 [label="Asset Optimization" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N4 [label="What_If Scenario Analysis" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N5 [label="Data Security for Digital Twins" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N6 [label="Design Validation" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N7 [label="Operational Planning" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N0 -> N1 [label=designs color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=IoT_integrates color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=tests color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=secures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N5 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N0 -> N5 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_335.dot b/test/graphviz/graph_easy/graphviz_335.dot
new file mode 100644
index 0000000000000000000000000000000000000000..aa8f49987f89a79b87a0beef0432504ec7a1fa82
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_335.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Scalability of Automation" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N1 [label="Orchestration of Processes" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N2 [label="API Automation" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N3 [label="Finance Process Automation" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N4 [label="Security for Automation Bots" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N5 [label="Chatbot Integration" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N6 [label="Automated Testing" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+	N7 [label="Process Mining" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N8 [label="IT Operations Automation" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N0 -> N1 [label=configures_rules color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=consults color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=RPA_implements color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N5 [label=improves color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_335.txt b/test/graphviz/graph_easy/graphviz_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec353dc983ebbb051f90f6f66662d6ad8ff1e444
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_335.txt
@@ -0,0 +1,10 @@
+<API Automation, connectedTo, Finance Process Automation>
+<Automated Testing, RPA_implements, Process Mining>
+<Chatbot Integration, connectedTo, Automated Testing>
+<Chatbot Integration, connectedTo, Security for Automation Bots>
+<Finance Process Automation, consults, Security for Automation Bots>
+<IT Operations Automation, improves, Chatbot Integration>
+<Orchestration of Processes, connectedTo, API Automation>
+<Process Mining, connectedTo, IT Operations Automation>
+<Scalability of Automation, configures_rules, Orchestration of Processes>
+<Security for Automation Bots, connectedTo, Chatbot Integration>
diff --git a/test/graphviz/graph_easy/graphviz_336.txt b/test/graphviz/graph_easy/graphviz_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7046790d5c8e539acaca3ca5c71b2d1c309a4fc7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_336.txt
@@ -0,0 +1,10 @@
+<Automated Testing, RPA_implements, Optical Character Recognition for Automation>
+<Business Process Management, advises, Report Generation Automation>
+<Business Rule Engines, connectedTo, Business Process Management>
+<Decision Automation, connectedTo, Automated Testing>
+<Email Automation, enhances_compliance, Business Rule Engines>
+<Optical Character Recognition for Automation, trains, Workflow Automation Platforms>
+<Report Generation Automation, data_processes, Supply Chain Automation>
+<Supply Chain Automation, connectedTo, Integration with Existing Systems>
+<Workflow Automation Platforms, connectedTo, Email Automation>
+<Workflow Automation Platforms, errors_detects, Optical Character Recognition for Automation>
diff --git a/test/graphviz/graph_easy/graphviz_338.dot b/test/graphviz/graph_easy/graphviz_338.dot
new file mode 100644
index 0000000000000000000000000000000000000000..02d88378616854d7a367b08e3155b2e65a97a86a
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_338.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Automated Optical Inspection" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N1 [label="Food Safety Quality Control" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N2 [label="Testing Methods" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N3 [label="Six Sigma Methodologies" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N4 [label="Total Quality Management" color="#A1887F" fillcolor="#EFEBE9" shape=Mdiamond style=filled]
+	N5 [label="Product Testing" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N6 [label="Quality Planning" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N7 [label="Non_Destructive Testing" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N8 [label="Supplier Quality Management" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N0 -> N1 [label=complies color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=certifies color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=reports_generates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=risk_manages color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=software_implements color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=innovates color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_338.txt b/test/graphviz/graph_easy/graphviz_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d79634723a6fdd9aa6871626d3d52db2d92cd2e9
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_338.txt
@@ -0,0 +1,9 @@
+<Automated Optical Inspection, complies, Food Safety Quality Control>
+<Food Safety Quality Control, certifies, Testing Methods>
+<Non_Destructive Testing, innovates, Supplier Quality Management>
+<Product Testing, software_implements, Quality Planning>
+<Quality Planning, connectedTo, Non_Destructive Testing>
+<Six Sigma Methodologies, risk_manages, Total Quality Management>
+<Supplier Quality Management, connectedTo, Testing Methods>
+<Testing Methods, reports_generates, Six Sigma Methodologies>
+<Total Quality Management, connectedTo, Product Testing>
diff --git a/test/graphviz/graph_easy/graphviz_340.dot b/test/graphviz/graph_easy/graphviz_340.dot
new file mode 100644
index 0000000000000000000000000000000000000000..71d8e60b9200be5cae8cc57c0566dce8336152dc
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_340.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TD
+	N0 [label="Asset Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N1 [label="Procurement Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N2 [label="Module Implementation" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N3 [label="Data Migration" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N4 [label="Integration with Other Systems" color="#94C0C0" fillcolor="#CADEDE" shape=Mdiamond style=filled]
+	N5 [label="Inventory Management" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N6 [label="Troubleshooting and Support" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N7 [label="Hybrid ERP Models" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N8 [label="Business Process Re_engineering" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N9 [label="Reporting and Analytics" color="#FFC2C2" fillcolor="#FFEBEB" shape=Mdiamond style=filled]
+	N10 [label="Vendor Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=integrates color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=forecasts color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=supports color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N1 [label=maintains color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N1 [label=HR_manages color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_340.txt b/test/graphviz/graph_easy/graphviz_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7fe1eecd833747069d4287a3c377dba922eee80e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_340.txt
@@ -0,0 +1,12 @@
+<Asset Management, connectedTo, Procurement Management>
+<Business Process Re_engineering, supports, Reporting and Analytics>
+<Data Migration, integrates, Integration with Other Systems>
+<Hybrid ERP Models, connectedTo, Business Process Re_engineering>
+<Integration with Other Systems, connectedTo, Inventory Management>
+<Inventory Management, HR_manages, Procurement Management>
+<Inventory Management, connectedTo, Troubleshooting and Support>
+<Module Implementation, connectedTo, Data Migration>
+<Procurement Management, connectedTo, Module Implementation>
+<Reporting and Analytics, connectedTo, Vendor Management>
+<Troubleshooting and Support, forecasts, Hybrid ERP Models>
+<Vendor Management, maintains, Procurement Management>
diff --git a/test/graphviz/graph_easy/graphviz_344.txt b/test/graphviz/graph_easy/graphviz_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe4aea7cf8319ec5daeb253666cdc74d2499483d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_344.txt
@@ -0,0 +1,9 @@
+<Aquaculture Monitoring, connectedTo, Crop Insurance Assessment>
+<Aquaculture Monitoring, connectedTo, Farm Robotics>
+<Crop Health Monitoring, manages_irrigation, Digital Soil Mapping>
+<Crop Insurance Assessment, sprays, Aquaculture Monitoring>
+<Digital Soil Mapping, connectedTo, Smart Livestock Monitoring>
+<Farm Robotics, automates, Precision Farming>
+<Precision Farming, connectedTo, Smart Greenhouses>
+<Smart Greenhouses, drones_uses, Crop Health Monitoring>
+<Smart Livestock Monitoring, monitors, Crop Health Monitoring>
diff --git a/test/graphviz/graph_easy/graphviz_346.txt b/test/graphviz/graph_easy/graphviz_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..57cd45b3127350401e5de20f05171cac9927891c
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_346.txt
@@ -0,0 +1,11 @@
+<Brand Partnerships, communities_fosters, Media Rights Negotiation>
+<Game Strategy Development, strategies_develops, Player Scouting>
+<Live Streaming Production, leagues_creates, Tournament Organization>
+<Media Rights Negotiation, develops_games, Team Management>
+<Network Infrastructure for Tournaments, connectedTo, Game Strategy Development>
+<Network Infrastructure for Tournaments, connectedTo, Rules and Regulations Enforcement>
+<Rules and Regulations Enforcement, connectedTo, Network Infrastructure for Tournaments>
+<Talent Representation, connectedTo, Brand Partnerships>
+<Team Management, connectedTo, Live Streaming Production>
+<Tournament Organization, connectedTo, Game Strategy Development>
+<Tournament Organization, sponsors, Rules and Regulations Enforcement>
diff --git a/test/graphviz/graph_easy/graphviz_347.dot b/test/graphviz/graph_easy/graphviz_347.dot
new file mode 100644
index 0000000000000000000000000000000000000000..caf6771f3277c766e97685f6febd54a80ec054c8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_347.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="League Management" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Gambling and Betting Regulation" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N2 [label="Media Rights Negotiation" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N3 [label="Game Strategy Development" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N4 [label="Data Security for Competitions" color="#AF56A6" fillcolor="#DDCEDD" shape=plaintext style=filled]
+	N5 [label="Audience Engagement" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N6 [label="Physical Conditioning for Players" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N7 [label="Talent Representation" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N0 -> N1 [label=legal_assists color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=audiences_engages color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=plays color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=game_analyzes color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=recruits color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=competes color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N5 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_347.txt b/test/graphviz/graph_easy/graphviz_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..08418dfbcc7a2f8ac5d0646ef9643e79d348ffb1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_347.txt
@@ -0,0 +1,9 @@
+<Audience Engagement, connectedTo, Data Security for Competitions>
+<Audience Engagement, connectedTo, Physical Conditioning for Players>
+<Data Security for Competitions, recruits, Audience Engagement>
+<Gambling and Betting Regulation, audiences_engages, Media Rights Negotiation>
+<Game Strategy Development, game_analyzes, Data Security for Competitions>
+<League Management, legal_assists, Gambling and Betting Regulation>
+<Media Rights Negotiation, plays, Game Strategy Development>
+<Physical Conditioning for Players, competes, Talent Representation>
+<Physical Conditioning for Players, connectedTo, Audience Engagement>
diff --git a/test/graphviz/graph_easy/graphviz_35.txt b/test/graphviz/graph_easy/graphviz_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34b43eab84ea91c814e4306ddab335f544e659f6
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_35.txt
@@ -0,0 +1,13 @@
+<Airport Transfer, connectedTo, Currency Exchange>
+<Baggage Handling, connectedTo, Return Trip>
+<Concert Ticketing, connectedTo, Loyalty Program Enrollment>
+<Duty_Free Shopping, regulates, Concert Ticketing>
+<Emergency Assistance, connectedTo, Airport Transfer>
+<Emergency Assistance, secures, Duty_Free Shopping>
+<Loyalty Program Enrollment, connectedTo, Tour Guide Assignment>
+<Return Trip, connectedTo, Trip Sharing>
+<Tour Guide Assignment, promotes, Airport Transfer>
+<Tour Guide Assignment, transports, Emergency Assistance>
+<Tourist Information Desk, assists, Duty_Free Shopping>
+<Travel Blog Creation, personalizes, Baggage Handling>
+<Trip Sharing, connectedTo, Tourist Information Desk>
diff --git a/test/graphviz/graph_easy/graphviz_350.dot b/test/graphviz/graph_easy/graphviz_350.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6e5654d120b015871399b1f9686aab0e81e82e1b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_350.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label=Electrophysiology color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="Pain Perception Research" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N2 [label="Brain_Computer Interface" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N3 [label="Transcranial Magnetic Stimulation" color="#FF5722" fillcolor="#FFCCBC" shape=Mdiamond style=filled]
+	N4 [label="Stem Cell Research" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N5 [label="Neurotransmitter Research" color="#FF5722" fillcolor="#FFCCBC" shape=plaintext style=filled]
+	N6 [label="Systems Neuroscience" color="#80DDEA" fillcolor="#D3F7F9" shape=Mdiamond style=filled]
+	N7 [label="Brain Imaging" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N8 [label="Developmental Neuroscience" color="#9575CD" fillcolor="#EDE7F6" shape=folder style=filled]
+	N9 [label=Connectomics color="#80DDEA" fillcolor="#D3F7F9" shape=Mdiamond style=filled]
+	N10 [label="Artificial Neural Networks Modeling" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N11 [label="Genetic Basis of Brain Disorders" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N0 -> N1 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=drugs_tests color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=observes color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=tools_creates color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=researches color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N10 [label=educates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N0 [label=presents color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_353.dot b/test/graphviz/graph_easy/graphviz_353.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e926674da4697df3e8b3e694157512cfc15e2d39
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_353.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TD
+	N0 [label="Heritage Impact Assessment" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N1 [label="Virtual Reality Recreations" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N2 [label="Remote Sensing for Heritage" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N3 [label="Illicit Trafficking Control" color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N4 [label="Risk Assessment for Heritage" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N5 [label="Public Education Programs" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N6 [label="Oral History Collection" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+	N7 [label="GIS Mapping for Heritage Sites" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+	N8 [label="Archaeological Excavation" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N9 [label="Site Preservation" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N10 [label="Digital Storytelling" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N11 [label="Historical Research" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=accesses color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=data_collects color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=interprets color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=conserves color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=protects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=archives color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=technologies_applies color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=policies_influences color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N7 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_354.dot b/test/graphviz/graph_easy/graphviz_354.dot
new file mode 100644
index 0000000000000000000000000000000000000000..07341e088048150a649f6ed9f0d6d2b694fc0712
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_354.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Dating Techniques" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Oral History Collection" color="#CFCFCF" fillcolor="#F6F6F6" shape=plaintext style=filled]
+	N2 [label="Traditional Knowledge Documentation" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N3 [label="GIS Mapping for Heritage Sites" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N4 [label="World Heritage Site Management" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Heritage Impact Assessment" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N6 [label="Digital Storytelling" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N7 [label="Looting Prevention" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N8 [label="Museum Collection Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N9 [label="Remote Sensing for Heritage" color="#7E57C2" fillcolor="#D1C4E9" shape=Mdiamond style=filled]
+	N10 [label="Intangible Cultural Heritage Preservation" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N11 [label="Site Preservation" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N0 -> N1 [label=preserves color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=displays color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=community_participates color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=educates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=intangible_heritage_safeguards color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=sites_surveys color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=languages_revitalizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N2 [label=documents color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_355.dot b/test/graphviz/graph_easy/graphviz_355.dot
new file mode 100644
index 0000000000000000000000000000000000000000..46e27cb04a83fb8ea68abeefd302d209b73ef7bc
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_355.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TD
+	N0 [label="CRISPR_Cas System Optimization" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Directed Evolution" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N2 [label="Protein Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N3 [label="Metabolic Pathway Engineering" color="#FFA726" fillcolor="#FFF3E0" shape=octagon style=filled]
+	N4 [label="Gene Synthesis Platforms" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N5 [label="Diagnostic Tool Development" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N6 [label="High_Throughput Screening" color="#FFA726" fillcolor="#FFF3E0" shape=folder style=filled]
+	N7 [label="Risk Assessment" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N8 [label="Biosafety Level Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=publishes color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=systems_develops color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=materials_develops color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=ferments color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=pathways_constructs color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N5 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_355.txt b/test/graphviz/graph_easy/graphviz_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4b56f504158ff8e249ef24da7a471b5c22734e3
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_355.txt
@@ -0,0 +1,9 @@
+<Biosafety Level Management, connectedTo, Diagnostic Tool Development>
+<CRISPR_Cas System Optimization, connectedTo, Directed Evolution>
+<Diagnostic Tool Development, connectedTo, High_Throughput Screening>
+<Directed Evolution, publishes, Protein Design>
+<Gene Synthesis Platforms, materials_develops, Diagnostic Tool Development>
+<High_Throughput Screening, ferments, Risk Assessment>
+<Metabolic Pathway Engineering, systems_develops, Gene Synthesis Platforms>
+<Protein Design, connectedTo, Metabolic Pathway Engineering>
+<Risk Assessment, pathways_constructs, Biosafety Level Management>
diff --git a/test/graphviz/graph_easy/graphviz_356.dot b/test/graphviz/graph_easy/graphviz_356.dot
new file mode 100644
index 0000000000000000000000000000000000000000..47e637ca914828032055570b160cde60b44da6eb
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_356.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TD
+	N0 [label="Drug Delivery Systems" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N1 [label="Bio_logic Gates" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N2 [label="Microbial Factories" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N3 [label="High_Throughput Screening" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
+	N4 [label="Biosafety Level Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N5 [label="Diagnostic Tool Development" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N6 [label="Metabolic Pathway Engineering" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N7 [label="Risk Assessment" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N8 [label="Protein Design" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=synthesizes color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=circuits_designs color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=clones color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=builds color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=educates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=functions_implements color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_357.dot b/test/graphviz/graph_easy/graphviz_357.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e1b8edc7755567890dd067f964ea9426a79d37d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_357.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Biofoundry Operations" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N1 [label="Risk Assessment" color="#A188DB" fillcolor="#DED7F0" shape=plaintext style=filled]
+	N2 [label="CRISPR_Cas System Optimization" color="#A188DB" fillcolor="#DED7F0" shape=octagon style=filled]
+	N3 [label="Public Engagement" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N4 [label="Genetic Circuit Design" color="#FF9800" fillcolor="#FFE0B2" shape=octagon style=filled]
+	N5 [label="Bioremediation Applications" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N6 [label="Ethical Implications" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N7 [label="DNA Storage Technologies" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N0 -> N1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=builds color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=safety_ensures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N2 -> N6 [label=publishes color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_357.txt b/test/graphviz/graph_easy/graphviz_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bfdab54d4a96d687efcc7dd020e4125b15dc16d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_357.txt
@@ -0,0 +1,8 @@
+<Biofoundry Operations, connectedTo, Risk Assessment>
+<Bioremediation Applications, connectedTo, Ethical Implications>
+<CRISPR_Cas System Optimization, builds, Public Engagement>
+<CRISPR_Cas System Optimization, publishes, Ethical Implications>
+<Ethical Implications, connectedTo, DNA Storage Technologies>
+<Genetic Circuit Design, safety_ensures, Bioremediation Applications>
+<Public Engagement, connectedTo, Genetic Circuit Design>
+<Risk Assessment, connectedTo, CRISPR_Cas System Optimization>
diff --git a/test/graphviz/graph_easy/graphviz_359.txt b/test/graphviz/graph_easy/graphviz_359.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ee938c7985ba8bec312155a2859501875e550c4
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_359.txt
@@ -0,0 +1,8 @@
+<Accessibility in EdTech, connectedTo, Massive Open Online Courses>
+<Accessibility in EdTech, connectedTo, Student Information Systems>
+<Assessment Tools, publishes, Digital Textbooks>
+<Digital Textbooks, privacy_protects, Interactive Content Creation>
+<Interactive Content Creation, content_generates, Accessibility in EdTech>
+<Massive Open Online Courses, connectedTo, Student Information Systems>
+<Remote Learning Solutions, experiences_personalizes, Assessment Tools>
+<Student Information Systems, audits, Data Privacy in Education>
diff --git a/test/graphviz/graph_easy/graphviz_36.txt b/test/graphviz/graph_easy/graphviz_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8a4267ab4702c1c390f94ac14c4efabf1ff3a9bc
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_36.txt
@@ -0,0 +1,10 @@
+<Adventure Sports Booking, connectedTo, Trip Sharing>
+<Airport Transfer, accommodates, Museum Visit>
+<Concert Ticketing, connectedTo, Cultural Immersion Program>
+<Cultural Immersion Program, applies, Airport Transfer>
+<Loyalty Program Enrollment, collects feedback, Local Transport>
+<Museum Visit, connectedTo, Concert Ticketing>
+<Museum Visit, informs, Loyalty Program Enrollment>
+<Restaurant Reservation, documents, Adventure Sports Booking>
+<Trip Sharing, connectedTo, Adventure Sports Booking>
+<Trip Sharing, responds, Concert Ticketing>
diff --git a/test/graphviz/graph_easy/graphviz_360.txt b/test/graphviz/graph_easy/graphviz_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3314793735193b34913b8d89502248fd1aa5d00d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_360.txt
@@ -0,0 +1,12 @@
+<Accessibility in EdTech, implements, Educational Apps Development>
+<Assessment Tools, teachers_trains, Social_Emotional Learning Tools>
+<Augmented Reality in Education, administrators_assists, Assessment Tools>
+<Data Privacy in Education, connectedTo, E_Learning Platform Design>
+<E_Learning Platform Design, connectedTo, Virtual Labs>
+<Educational Apps Development, assesses, Personalized Learning Paths>
+<Educational Apps Development, connectedTo, Remote Learning Solutions>
+<Personalized Learning Paths, secures_data, Augmented Reality in Education>
+<Remote Learning Solutions, privacy_protects, Student Information Systems>
+<Social_Emotional Learning Tools, parents_engages, Remote Learning Solutions>
+<Student Information Systems, connectedTo, Data Privacy in Education>
+<Virtual Labs, learning_gamifies, Assessment Tools>
diff --git a/test/graphviz/graph_easy/graphviz_37.txt b/test/graphviz/graph_easy/graphviz_37.txt
new file mode 100644
index 0000000000000000000000000000000000000000..626210caf40278fe8928f31f06a648254b140b22
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_37.txt
@@ -0,0 +1,10 @@
+<Commercial Lease Negotiation, connectedTo, Maintenance Request>
+<Document Signing, connectedTo, Lease Renewal>
+<HOA Management, surveys, Legal Verification>
+<Lease Renewal, markets, HOA Management>
+<Legal Verification, manages, Commercial Lease Negotiation>
+<Maintenance Request, registers, Tenant Screening>
+<Offer Submission, connectedTo, Property Marketing>
+<Property Marketing, rents, Document Signing>
+<Site Visit Scheduling, connectedTo, Offer Submission>
+<Tenant Screening, connectedTo, Site Visit Scheduling>
diff --git a/test/graphviz/graph_easy/graphviz_38.txt b/test/graphviz/graph_easy/graphviz_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8396a576c2cdf781964189b2ed2f1eb8b488bb6d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_38.txt
@@ -0,0 +1,10 @@
+<Building Permit Application, invests, Buyer Inquiry>
+<Buyer Inquiry, maintains, Tax Assessment>
+<Closing Meeting, connectedTo, Land Acquisition>
+<Escrow Setup, connectedTo, Investment Property Analysis>
+<Eviction Process, connectedTo, Maintenance Request>
+<Investment Property Analysis, connectedTo, Building Permit Application>
+<Land Acquisition, evaluates, Eviction Process>
+<Maintenance Request, inspects, Property Appraisal>
+<Maintenance Request, transfers, Building Permit Application>
+<Tax Assessment, advises, Closing Meeting>
diff --git a/test/graphviz/graph_easy/graphviz_4.txt b/test/graphviz/graph_easy/graphviz_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bef60b46406c8e95a635dfd369590d82a458f29b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_4.txt
@@ -0,0 +1,12 @@
+<Allergy Test, connectedTo, Prescription>
+<Anesthesia Administration, connectedTo, Symptom Monitoring>
+<Anesthesia Administration, dispenses, Emergency Response>
+<Case Review, discharges, Pharmacy Order>
+<Emergency Response, schedules, Allergy Test>
+<Health Screening, connectedTo, Emergency Response>
+<Health Screening, documents, Symptom Monitoring>
+<Imaging Scan, collects, Case Review>
+<Pharmacy Order, connectedTo, Anesthesia Administration>
+<Prescription, connectedTo, Patient Intake>
+<Symptom Monitoring, verifies, Treatment Plan>
+<Treatment Plan, connectedTo, Imaging Scan>
diff --git a/test/graphviz/graph_easy/graphviz_40.txt b/test/graphviz/graph_easy/graphviz_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2030238443fc82abe719916d8e38c751c1548f15
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_40.txt
@@ -0,0 +1,12 @@
+<Bomb Disposal, debriefs, Search and Rescue Operations>
+<Community Outreach, patrols, Inmate Transport>
+<Crowd Management, connectedTo, Evacuation Planning>
+<Cybersecurity Threat Response, connectedTo, Resource Allocation>
+<Evacuation Planning, controls, Threat Assessment>
+<Fire Suppression, connectedTo, Bomb Disposal>
+<Inmate Transport, alerts, SWAT Team Activation>
+<Inmate Transport, connectedTo, Witness Interview>
+<SWAT Team Activation, rehabilitates, Cybersecurity Threat Response>
+<Search and Rescue Operations, equips, Community Outreach>
+<Threat Assessment, secures, Witness Interview>
+<Witness Interview, connectedTo, Fire Suppression>
diff --git a/test/graphviz/graph_easy/graphviz_42.txt b/test/graphviz/graph_easy/graphviz_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..081033f9d48929fc4d12193ef16af65472251003
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_42.txt
@@ -0,0 +1,8 @@
+<Court Testimony, communicates, Hazard Detection>
+<Crowd Management, equips, Inmate Transport>
+<Cybersecurity Threat Response, investigates, Court Testimony>
+<First Aid Deployment, connectedTo, Crowd Management>
+<Forensic Analysis, responds, First Aid Deployment>
+<Hazard Detection, connectedTo, Search and Rescue Operations>
+<Search and Rescue Operations, connectedTo, Court Testimony>
+<Search and Rescue Operations, connectedTo, Forensic Analysis>
diff --git a/test/graphviz/graph_easy/graphviz_44.dot b/test/graphviz/graph_easy/graphviz_44.dot
new file mode 100644
index 0000000000000000000000000000000000000000..16e74a2bd87c1a6085543724b516f81a60edec45
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_44.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Actor Rehearsal" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="Trailer Production" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N2 [label="Talent Management" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N3 [label="Press Junket" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N4 [label="Editing Process" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N5 [label="Audience Feedback" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N6 [label="Footage Review" color="#66BB6A" fillcolor="#E8F5E9" shape=Mdiamond style=filled]
+	N7 [label="Licensing Approval" color="#66BB6A" fillcolor="#E8F5E9" shape=Mdiamond style=filled]
+	N8 [label="Animation Production" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N9 [label="Location Scouting" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N10 [label="Game Development" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [label=markets color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=innovates color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=mixes color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=composes color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=regulates color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> N8 [label=produces color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_45.dot b/test/graphviz/graph_easy/graphviz_45.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0b43dbbffbcf3cd868d240cd2f285d0ace6596ff
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_45.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Streaming Setup" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Premiere Event" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N2 [label="Footage Review" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N3 [label="Scene Shooting" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N4 [label="Actor Rehearsal" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N5 [label="Intellectual Property Protection" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N6 [label="Live Performance" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N7 [label="Music Composition" color="#FFD54F" fillcolor="#FFF8E1" shape=octagon style=filled]
+	N8 [label="Costume Design" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N9 [label="Budget Planning" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N10 [label="Stunt Coordination" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=innovates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=edits color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=writes color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=produces color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N8 [label=promotes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N1 [label=negotiates color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_45.txt b/test/graphviz/graph_easy/graphviz_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5310946681bfde527f91154466a6634519bb700
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_45.txt
@@ -0,0 +1,12 @@
+<Actor Rehearsal, edits, Intellectual Property Protection>
+<Budget Planning, produces, Stunt Coordination>
+<Budget Planning, promotes, Costume Design>
+<Costume Design, connectedTo, Budget Planning>
+<Footage Review, innovates, Scene Shooting>
+<Intellectual Property Protection, writes, Live Performance>
+<Live Performance, connectedTo, Music Composition>
+<Live Performance, negotiates, Premiere Event>
+<Music Composition, connectedTo, Costume Design>
+<Premiere Event, connectedTo, Footage Review>
+<Scene Shooting, connectedTo, Actor Rehearsal>
+<Streaming Setup, connectedTo, Premiere Event>
diff --git a/test/graphviz/graph_easy/graphviz_47.dot b/test/graphviz/graph_easy/graphviz_47.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b249ed06d59a5e8338883f9433e3e7b68a23eee8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_47.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Water Sampling" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N1 [label="Carbon Footprint Calculation" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N2 [label="Green Certification" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N3 [label="Noise Pollution Measurement" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N4 [label="Energy Audit" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N5 [label="Ocean Cleanup" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N6 [label="Soil Testing" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N7 [label="Ecosystem Restoration" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N8 [label="Waste Water Treatment" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N9 [label="Regulatory Compliance" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N10 [label="Sustainable Agriculture Practices" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N11 [label="Wildlife Survey" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=detects color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=permits color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=adapts color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=disposes color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=models color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=forecasts color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N9 [label=manages color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_48.dot b/test/graphviz/graph_easy/graphviz_48.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6c2d4d2e2fe0b1c15513812d29583ad8cd4d8e01
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_48.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TD
+	N0 [label="Ocean Cleanup" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Renewable Energy Project Development" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N2 [label="Water Sampling" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N3 [label="Air Quality Monitoring" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N4 [label="Policy Advocacy" color="#4285F4" fillcolor="#D0E0F8" shape=Mdiamond style=filled]
+	N5 [label="Renewable Energy Grid Integration" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N6 [label="Biodiversity Conservation" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N7 [label="Ecosystem Restoration" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N8 [label="Ecological Footprint Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=folder style=filled]
+	N9 [label="Environmental Impact Assessment" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N10 [label="Environmental Education Programs" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N0 -> N1 [label=disposes color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=forecasts color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=regulates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=develops color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=funds color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=restores color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=protects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N4 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_48.txt b/test/graphviz/graph_easy/graphviz_48.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e1f9ade7d2ba470fa506075e72a23f5bccf61c1
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_48.txt
@@ -0,0 +1,11 @@
+<Air Quality Monitoring, regulates, Policy Advocacy>
+<Biodiversity Conservation, connectedTo, Ecosystem Restoration>
+<Biodiversity Conservation, connectedTo, Policy Advocacy>
+<Ecological Footprint Analysis, restores, Environmental Impact Assessment>
+<Ecosystem Restoration, connectedTo, Ecological Footprint Analysis>
+<Environmental Impact Assessment, protects, Environmental Education Programs>
+<Ocean Cleanup, disposes, Renewable Energy Project Development>
+<Policy Advocacy, develops, Renewable Energy Grid Integration>
+<Renewable Energy Grid Integration, funds, Biodiversity Conservation>
+<Renewable Energy Project Development, forecasts, Water Sampling>
+<Water Sampling, connectedTo, Air Quality Monitoring>
diff --git a/test/graphviz/graph_easy/graphviz_49.txt b/test/graphviz/graph_easy/graphviz_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89a74f808d098d5edef7b429b7da838ce965edd8
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_49.txt
@@ -0,0 +1,10 @@
+<Diplomatic Negotiation, subsidizes, Vehicle Registration>
+<Education Policy, connectedTo, Legislation Review>
+<International Relations, consults, Legal Advisory>
+<Legal Advisory, coordinates, Public Sector Procurement>
+<Legislation Review, connectedTo, Diplomatic Negotiation>
+<Legislation Review, connectedTo, Social Program Review>
+<Public Sector Procurement, connectedTo, Transparency Audit>
+<Social Program Review, connectedTo, International Relations>
+<Transparency Audit, protects, Education Policy>
+<Vehicle Registration, responds, Tax Filing>
diff --git a/test/graphviz/graph_easy/graphviz_52.dot b/test/graphviz/graph_easy/graphviz_52.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ec4da61efbf5cb9439600be4e7b7c9ce65cfe722
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_52.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Customer Checkout" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N1 [label="Inventory Check" color="#E0E0E0" fillcolor="#EBEBEB" shape=oval style=filled]
+	N2 [label="Store Layout Design" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N3 [label="Customer Engagement" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N4 [label="Daily Report Generation" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N5 [label="Gift Wrapping" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N6 [label="Complaint Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N7 [label="Stock Replenishment" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=prices color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=returns color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=personalizes color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=serves color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N3 [label=purchases color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_52.txt b/test/graphviz/graph_easy/graphviz_52.txt
new file mode 100644
index 0000000000000000000000000000000000000000..40cc61fccf7fe1a989ad0e7b8d3241a04cd42428
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_52.txt
@@ -0,0 +1,8 @@
+<Complaint Management, serves, Stock Replenishment>
+<Customer Checkout, connectedTo, Inventory Check>
+<Customer Engagement, connectedTo, Daily Report Generation>
+<Daily Report Generation, personalizes, Gift Wrapping>
+<Gift Wrapping, connectedTo, Complaint Management>
+<Inventory Check, prices, Store Layout Design>
+<Stock Replenishment, purchases, Customer Engagement>
+<Store Layout Design, returns, Customer Engagement>
diff --git a/test/graphviz/graph_easy/graphviz_53.txt b/test/graphviz/graph_easy/graphviz_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ef5244ff4468fa9659f33000ee2f6ea2697b73d
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_53.txt
@@ -0,0 +1,11 @@
+<Complaint Management, assists, Order Fulfillment>
+<Daily Report Generation, trains, Online Order Pickup>
+<Loyalty Program Update, connectedTo, Shelf Restocking>
+<Online Order Pickup, connectedTo, Staff Training>
+<Order Fulfillment, purchases, Warehouse Picking>
+<Point of Sale System Update, displays, Staff Training>
+<Shelf Restocking, connectedTo, Supplier Payment>
+<Staff Training, connectedTo, Loyalty Program Update>
+<Supplier Payment, connectedTo, Complaint Management>
+<Warehouse Picking, connectedTo, Loyalty Program Update>
+<Warehouse Picking, supports, Daily Report Generation>
diff --git a/test/graphviz/graph_easy/graphviz_54.txt b/test/graphviz/graph_easy/graphviz_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..043e302a780fa01b5c7b1ca0484f8e894cd4c60e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_54.txt
@@ -0,0 +1,12 @@
+<Curbside Delivery, optimizes, Loyalty Program Update>
+<Customer Survey, tracks, Receipt Issuing>
+<E_commerce Platform Integration, connectedTo, Point of Sale System Update>
+<Gift Wrapping, audits, E_commerce Platform Integration>
+<Loyalty Program Update, reports, Gift Wrapping>
+<Order Fulfillment, personalizes, Supplier Coordination>
+<Point of Sale System Update, connectedTo, Product Demonstration>
+<Product Demonstration, connectedTo, Supply Chain Optimization>
+<Receipt Issuing, connectedTo, Curbside Delivery>
+<Receipt Issuing, manages, Product Demonstration>
+<Shelf Restocking, secures, Order Fulfillment>
+<Supply Chain Optimization, connectedTo, Shelf Restocking>
diff --git a/test/graphviz/graph_easy/graphviz_56.txt b/test/graphviz/graph_easy/graphviz_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2bc989c1412724aa229a29b4762599b13882ee03
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_56.txt
@@ -0,0 +1,10 @@
+<Body Shop Repair, connectedTo, Recall Management>
+<Electric Vehicle Battery Production, repairs, Supplier Selection>
+<Parts Distribution, connectedTo, Safety Inspection>
+<Recall Management, connectedTo, Spare Parts Order>
+<Research and Development, diagnoses, Parts Distribution>
+<Safety Inspection, replaces, Body Shop Repair>
+<Spare Parts Order, connectedTo, Paint Application>
+<Supplier Selection, connectedTo, Vehicle Registration>
+<Supplier Selection, services, Research and Development>
+<Vehicle Registration, connectedTo, Research and Development>
diff --git a/test/graphviz/graph_easy/graphviz_57.dot b/test/graphviz/graph_easy/graphviz_57.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3ae6fb529e3df6c5a51666c1a45123a01cb96987
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_57.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Electric Vehicle Battery Production" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N1 [label="Vehicle Financing" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N2 [label="Vehicle Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=oval style=filled]
+	N3 [label="Brake System Check" color="#4FC3F7" fillcolor="#E1F5FE" shape=Mdiamond style=filled]
+	N4 [label="Customer Test Drive" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N5 [label="Tire Rotation" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N6 [label="Maintenance Scheduling" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N7 [label="Infotainment System Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N8 [label="Emission Testing" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N9 [label="Component Testing" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N10 [label="Dealership Sales" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N11 [label="Fuel Efficiency Check" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N0 -> N1 [label=validates color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=distributes color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=automates color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=charges color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=upgrades color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=schedules color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=finances color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=simulates color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N6 -> N0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_58.txt b/test/graphviz/graph_easy/graphviz_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5fb4ff922f5d185e84f823f7e82dc5d66f74c621
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_58.txt
@@ -0,0 +1,11 @@
+<Airframe Assembly, connectedTo, Countdown Sequence>
+<Component Recovery, forecasts, Space Debris Tracking>
+<Countdown Sequence, connectedTo, Extravehicular Activity Planning>
+<Emergency Protocols, optimizes, Airframe Assembly>
+<Extravehicular Activity Planning, simulates, Aircraft Manufacturing>
+<International Space Station Resupply, connectedTo, Re_entry Vehicle Design>
+<International Space Station Resupply, connectedTo, Space Debris Tracking>
+<Mission Planning, guides, Component Recovery>
+<Payload Integration, connectedTo, Emergency Protocols>
+<Re_entry Vehicle Design, builds, Mission Planning>
+<Space Debris Tracking, connectedTo, Payload Integration>
diff --git a/test/graphviz/graph_easy/graphviz_59.dot b/test/graphviz/graph_easy/graphviz_59.dot
new file mode 100644
index 0000000000000000000000000000000000000000..33b3add1dee336c0e0a573cf47feae71c765e863
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_59.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Drone System Development" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Avionics Installation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N2 [label="Aviation Safety Audit" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Thermal Shield Testing" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N4 [label="Launch Execution" color="#26A69A" fillcolor="#E0F2F1" shape=octagon style=filled]
+	N5 [label="Re_entry Vehicle Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
+	N6 [label="New Material Development" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N7 [label="Mission Debriefing" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N8 [label="Satellite Configuration" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N9 [label="Engine Overhaul" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N10 [label="Space Debris Tracking" color="#E91E63" fillcolor="#FCE4EC" shape=plaintext style=filled]
+	N11 [label="Satellite Data Processing" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N0 -> N1 [label=certifies color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=simulates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=designs color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=maintains color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=develops color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=navigates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=coordinates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=reports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_6.dot b/test/graphviz/graph_easy/graphviz_6.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9bb77738c35a6b1a5ab352c3a00dd50dcc36d9e7
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_6.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label=Vaccination color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label=Triage color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N2 [label="Patient Education" color="#7986CB" fillcolor="#E8EAF6" shape=octagon style=filled]
+	N3 [label=Biopsy color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N4 [label="Emergency Response" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N5 [label=Referral color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N6 [label="Genetic Counseling" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N7 [label="Pain Management" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N8 [label="Pharmacy Order" color="#7E57C2" fillcolor="#EDE7F6" shape=Mdiamond style=filled]
+	N9 [label="Home Care Visit" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N10 [label="Device Implantation" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N11 [label="Rehabilitation Therapy" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=discharges color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=scans color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=reviews color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=schedules color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=coordinates color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=researches color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N5 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N6 -> N10 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_60.txt b/test/graphviz/graph_easy/graphviz_60.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8a6925a6b2256f7165bfcf27353a8b31c3bd8e0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_60.txt
@@ -0,0 +1,11 @@
+<Countdown Sequence, operates, Flight Crew Training>
+<Drone System Development, forecasts, Satellite Configuration>
+<Flight Crew Training, connectedTo, Propulsion Testing>
+<Mission Debriefing, regulates, Drone System Development>
+<Mission Planning, recovers, Telemetry Setup>
+<Mission Planning, researches, Countdown Sequence>
+<Propulsion Testing, connectedTo, Mission Debriefing>
+<Satellite Configuration, repairs, Thermal Shield Testing>
+<System Reboot, connectedTo, Countdown Sequence>
+<System Reboot, connectedTo, Propulsion Testing>
+<Thermal Shield Testing, connectedTo, Mission Planning>
diff --git a/test/graphviz/graph_easy/graphviz_61.dot b/test/graphviz/graph_easy/graphviz_61.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ac220a11b42ad7fc549ac430a38efabb06543ba2
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_61.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Risk Assessment" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N1 [label="Digital Policy Management" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N2 [label="Business Interruption Coverage" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N3 [label=Subrogation color="#E0E0E0" fillcolor="#EBEBEB" shape=octagon style=filled]
+	N4 [label="Compliance Reporting" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label="Broker Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=oval style=filled]
+	N6 [label="Policy Cancellation" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N7 [label="Healthcare Provider Network Management" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N8 [label="Catastrophe Modeling" color="#2196F3" fillcolor="#BBDEFB" shape=octagon style=filled]
+	N9 [label=Underwriting color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N0 -> N1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=manages color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=sells color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=quotes color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=educates color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=processes color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N2 -> N9 [label=automates color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N6 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_63.txt b/test/graphviz/graph_easy/graphviz_63.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55f5a2237c944119fff5ef9bfcb62094cb682c35
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_63.txt
@@ -0,0 +1,10 @@
+<Annuity Sales, connectedTo, Customer Support>
+<Claim Adjustment, complies, Reinsurance Negotiation>
+<Claim Submission, regulates, Annuity Sales>
+<Coverage Review, connectedTo, Claim Adjustment>
+<Coverage Review, educates, Annuity Sales>
+<Customer Support, connectedTo, Claim Adjustment>
+<Data Security, processes, Policy Renewal>
+<Policy Cancellation, licenses, Data Security>
+<Policy Renewal, connectedTo, Claim Submission>
+<Reinsurance Negotiation, connectedTo, Policy Cancellation>
diff --git a/test/graphviz/graph_easy/graphviz_64.txt b/test/graphviz/graph_easy/graphviz_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09804d4ed75d091ea9a0a2ee3dc0d159a8f1d93b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_64.txt
@@ -0,0 +1,9 @@
+<Access Control, patches, Identity Management>
+<Backup and Recovery, forensics, Antivirus Management>
+<Backup and Recovery, updates, DevSecOps Integration>
+<Dark Web Monitoring, connectedTo, User Training>
+<DevSecOps Integration, connectedTo, Dark Web Monitoring>
+<Identity Management, connectedTo, Physical Security Integration>
+<Phishing Simulation, threatens, Access Control>
+<Physical Security Integration, connectedTo, Backup and Recovery>
+<User Training, connectedTo, Antivirus Management>
diff --git a/test/graphviz/graph_easy/graphviz_68.dot b/test/graphviz/graph_easy/graphviz_68.dot
new file mode 100644
index 0000000000000000000000000000000000000000..11892c3be8d7d793563b65ada9af413f701ec60e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_68.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Routine Scheduling" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="App Control" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N2 [label="Smart Mirror Functionality" color="#82DAFF" fillcolor="#C8EDFF" shape=plaintext style=filled]
+	N3 [label="Home Security System Activation" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N4 [label="Video Surveillance" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Thermostat Adjustment" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N6 [label="Elderly Care Monitoring" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N7 [label="Device Pairing" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N0 -> N1 [label=closes color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=personalizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=secures color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=alerts color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N0 [label=optimizes color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_72.dot b/test/graphviz/graph_easy/graphviz_72.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5813798ed6d569d6ced4305110a3291f37d96922
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_72.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Energy Grid Management" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label="Smart Street Furniture" color="#FFCC7A" fillcolor="#FFF6D9" shape=plaintext style=filled]
+	N2 [label="Water Management System" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N3 [label="Data Privacy Protection" color="#FFCC7A" fillcolor="#FFF6D9" shape=plaintext style=filled]
+	N4 [label="Digital Twins of City" color="#73C6BC" fillcolor="#D0EFEE" shape=folder style=filled]
+	N5 [label="Smart Lighting" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N6 [label="Public Wi_Fi Deployment" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N7 [label="Cybersecurity for Infrastructure" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N8 [label="Traffic Flow Optimization" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N9 [label="Noise Pollution Monitoring" color="#73C6BC" fillcolor="#D0EFEE" shape=octagon style=filled]
+	N10 [label="Intelligent Public Safety Cameras" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=measures color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=audits color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=informs color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=secures color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N10 -> N4 [label=plans color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N6 [label=integrates color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_75.dot b/test/graphviz/graph_easy/graphviz_75.dot
new file mode 100644
index 0000000000000000000000000000000000000000..92e94e34b763e73b9d68e4e50a5da686814a4789
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_75.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Bioprocess Optimization" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N1 [label="Preclinical Testing" color="#CB9BE1" fillcolor="#F2E6F5" shape=oval style=filled]
+	N2 [label="Drug Discovery" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N3 [label="Drug Repurposing" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N4 [label="Bioreactor Operation" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N5 [label="Protein Engineering" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N6 [label="Lab Automation" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+	N7 [label="Bioinformatics Analysis" color="#82DAFF" fillcolor="#C8EDFF" shape=Mdiamond style=filled]
+	N8 [label="Biomarker Discovery" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N9 [label="Clinical Data Interpretation" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N10 [label="Structural Biology" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N11 [label="Monoclonal Antibody Production" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N0 -> N1 [label=collaborates color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=manipulates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=validates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=analyzes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=grows color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=engineers color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N0 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_75.txt b/test/graphviz/graph_easy/graphviz_75.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72b70f8ee59cedc1891fa666568801cba5d86219
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_75.txt
@@ -0,0 +1,12 @@
+<Bioinformatics Analysis, analyzes, Biomarker Discovery>
+<Biomarker Discovery, connectedTo, Clinical Data Interpretation>
+<Bioprocess Optimization, collaborates, Preclinical Testing>
+<Bioreactor Operation, validates, Protein Engineering>
+<Clinical Data Interpretation, connectedTo, Bioprocess Optimization>
+<Clinical Data Interpretation, grows, Structural Biology>
+<Drug Discovery, connectedTo, Drug Repurposing>
+<Drug Repurposing, manipulates, Bioreactor Operation>
+<Lab Automation, connectedTo, Bioinformatics Analysis>
+<Preclinical Testing, connectedTo, Drug Discovery>
+<Protein Engineering, connectedTo, Lab Automation>
+<Structural Biology, engineers, Monoclonal Antibody Production>
diff --git a/test/graphviz/graph_easy/graphviz_76.dot b/test/graphviz/graph_easy/graphviz_76.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c6026a31b636394a825c9a0e231230677a472f4f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_76.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Intellectual Property Litigation" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Cleanroom Operations" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N2 [label="Batch Release" color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+	N3 [label="Cold Chain Logistics" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N4 [label=Pharmacovigilance color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N5 [label="Quality Control" color="#607D8B" fillcolor="#CFD8DC" shape=oval style=filled]
+	N6 [label="Sterile Product Filling" color="#D3EB9F" fillcolor="#F8FDD3" shape=Mdiamond style=filled]
+	N7 [label=Packaging color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N8 [label="Health Economics Outcomes Research" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N0 -> N1 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=transports color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=innovates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=educates color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=manufactures color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N8 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N3 -> N6 [label=prescribes color="#E57373" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_77.dot b/test/graphviz/graph_easy/graphviz_77.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a4b85f09a7f45d0141992a6a6b9b92b75c23ab35
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_77.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Formulation Development" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Patient Adherence Programs" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N2 [label="Solid Dosage Formulation" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N3 [label="Preclinical Testing" color="#92C79A" fillcolor="#E8F0EA" shape=folder style=filled]
+	N4 [label="Audit Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N5 [label=Packaging color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N6 [label="Regulatory Approval" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N7 [label="Drug Device Combination" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N8 [label="Drug Repurposing" color="#4FC3F7" fillcolor="#E1F5FE" shape=folder style=filled]
+	N9 [label="Medical Writing" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N10 [label=Pharmacovigilance color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=secures color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=develops color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=trials color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=innovates color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N3 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N3 [label=prescribes color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_78.txt b/test/graphviz/graph_easy/graphviz_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..603a5ae2445969a1d83cced80a12cec943b2463e
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_78.txt
@@ -0,0 +1,8 @@
+<Drug Research, connectedTo, Packaging>
+<Good Manufacturing Practices, manufactures, Post_Approval Commitment Tracking>
+<Manufacturing Scale_up, connectedTo, Good Manufacturing Practices>
+<Medical Writing, connectedTo, Drug Research>
+<Medical Writing, connectedTo, Post_Approval Commitment Tracking>
+<Packaging, monitors, Manufacturing Scale_up>
+<Post_Approval Commitment Tracking, stores, Supply Chain Management>
+<Supply Chain Management, connectedTo, Drug Stability Testing>
diff --git a/test/graphviz/graph_easy/graphviz_79.dot b/test/graphviz/graph_easy/graphviz_79.dot
new file mode 100644
index 0000000000000000000000000000000000000000..071dc949bfd25ddff1b34969119cd50ad26a5540
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_79.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Software Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N1 [label="Autonomous Navigation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N2 [label="Path Planning" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N3 [label="Service Robotics" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N4 [label="Learning Algorithms" color="#AABEC6" fillcolor="#E0E6E9" shape=plaintext style=filled]
+	N5 [label="Kinematics and Dynamics" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N6 [label="Agricultural Robotics" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N7 [label="Artificial Intelligence Integration" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N8 [label="End_Effector Design" color="#FFF9AE" fillcolor="#FFFCE6" shape=oval style=filled]
+	N9 [label="Wireless Communication" color="#FFF9AE" fillcolor="#FFFCE6" shape=folder style=filled]
+	N10 [label=Maintenance color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=paints color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=updates color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=repairs color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=assembles color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=lifts color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=monitors color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N10 -> N5 [label=transports color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_83.dot b/test/graphviz/graph_easy/graphviz_83.dot
new file mode 100644
index 0000000000000000000000000000000000000000..344fe9deb1e2abb557079b7291d091fe86b90cad
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_83.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Project Scheduling" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Material Procurement" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N2 [label="Bridge Building" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N3 [label="Sustainable Building Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=octagon style=filled]
+	N4 [label="Site Logistics" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N5 [label="BIM Modeling" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
+	N6 [label="Waste Management" color="#2196F3" fillcolor="#BBDEFB" shape=octagon style=filled]
+	N7 [label="Budget Tracking" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N0 -> N1 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=develops color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=consults color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=bids color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=reports color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N6 [label=constructs color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_easy/graphviz_84.dot b/test/graphviz/graph_easy/graphviz_84.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dae37192f4d9675950ffcf8193b065f35cbdd77f
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_84.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TD
+	N0 [label=Demolition color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N1 [label="BIM Modeling" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N2 [label="Sustainable Building Design" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N3 [label="Subcontractor Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N4 [label="Project Scheduling" color="#4285F4" fillcolor="#D0E0F8" shape=Mdiamond style=filled]
+	N5 [label=Tunneling color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N6 [label="Material Procurement" color="#4285F4" fillcolor="#D0E0F8" shape=folder style=filled]
+	N7 [label="Foundation Laying" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N0 -> N1 [label=plans color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=surveys color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=bids color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N4 [label=pours color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N2 -> N0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_easy/graphviz_86.dot b/test/graphviz/graph_easy/graphviz_86.dot
new file mode 100644
index 0000000000000000000000000000000000000000..88c968cee7e03be4e452569bc66fb1af78976de0
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_86.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Event Organization" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Augmented Reality Experiences" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N2 [label="Live Streaming" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+	N3 [label="Talent Management" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N4 [label="User Generated Content Curation" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+	N5 [label=Photojournalism color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N6 [label="Copyright Management" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N7 [label="Interactive Storytelling" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N8 [label="Crisis Communication" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=researches color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=reports color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=responds color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=creates color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N2 -> N0 [label=markets color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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diff --git a/test/graphviz/graph_easy/graphviz_86.txt b/test/graphviz/graph_easy/graphviz_86.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29497321b5286b1f01b726a52b363d8991fd961b
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_86.txt
@@ -0,0 +1,10 @@
+<Augmented Reality Experiences, researches, Live Streaming>
+<Copyright Management, connectedTo, Interactive Storytelling>
+<Crisis Communication, connectedTo, Augmented Reality Experiences>
+<Event Organization, connectedTo, Augmented Reality Experiences>
+<Interactive Storytelling, creates, Crisis Communication>
+<Live Streaming, connectedTo, Talent Management>
+<Live Streaming, markets, Event Organization>
+<Photojournalism, connectedTo, Copyright Management>
+<Talent Management, reports, User Generated Content Curation>
+<User Generated Content Curation, responds, Photojournalism>
diff --git a/test/graphviz/graph_easy/graphviz_9.dot b/test/graphviz/graph_easy/graphviz_9.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ae28436445e578d9588599cafcfab0778ea60bb4
--- /dev/null
+++ b/test/graphviz/graph_easy/graphviz_9.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label=Painting color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Safety Audit" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
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+	N4 [label=Shipping color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N5 [label="Work_in_Progress Monitoring" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
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diff --git a/test/graphviz/graph_easy/graphviz_92.txt b/test/graphviz/graph_easy/graphviz_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f5720956c657a5af79190bf219e0450e52223c0
--- /dev/null
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@@ -0,0 +1,9 @@
+<Coaching, wins, Youth Development Programs>
+<Data Analytics in Sports, sells, Coaching>
+<Fan Club Management, connectedTo, Data Analytics in Sports>
+<Match Play, records, Stadium Operations>
+<Stadium Operations, governs, Athlete Nutrition Planning>
+<Ticketing Sales, connectedTo, Data Analytics in Sports>
+<Ticketing Sales, connectedTo, Tournament Organization>
+<Tournament Organization, connectedTo, Match Play>
+<Youth Development Programs, scouts, Ticketing Sales>
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+digraph {
+	rankdir=LR
+	N0 [label="Stadium Operations" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
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+	N3 [label="Merchandise Sales" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
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+	N5 [label="Sports Technology Integration" color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+	N6 [label="Fan Club Management" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N7 [label="Media Rights Negotiation" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
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new file mode 100644
index 0000000000000000000000000000000000000000..b73108dd1b27a0ca500b952d3074b62be935a87d
--- /dev/null
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+<Athlete Brand Management, connectedTo, Fan Experience Enhancement>
+<Fan Club Management, connectedTo, Media Rights Negotiation>
+<Fan Experience Enhancement, sells, Merchandise Sales>
+<Merchandise Sales, connectedTo, Sports Analytics>
+<Sports Analytics, connectedTo, Sports Technology Integration>
+<Sports Technology Integration, tracks, Fan Club Management>
+<Stadium Operations, promotes, Fan Club Management>
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+		nest0_2 -> nest0_3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=develops color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label=schedules color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=issues color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=verifies color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [label=reports color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [label=certifies color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_100.dot b/test/graphviz/graph_medium/graphviz_100.dot
new file mode 100644
index 0000000000000000000000000000000000000000..92861d05eb930da4af51b540c1a696d68731c3d6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_100.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=TD
+	N0 [label="Candidate Feedback Collection" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Employer Branding" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N2 [label="Contingent Workforce Management" color="#388E3C" fillcolor="#C8E6C9" shape=Mdiamond style=filled]
+	N3 [label="Talent Pipeline Building" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N4 [label="Candidate Relationship Management" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label="Candidate Screening" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N6 [label="Diversity Sourcing" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N7 [label="Recruitment Process Outsourcing Management" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N8 [label="Employee Referral Program" color="#FFA726" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N9 [label="Passive Candidate Engagement" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N10 [label="Candidate Experience Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFA726" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Competency_Based Interviewing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Onboarding Handoff" color="#388E3C" fillcolor="#C8E6C9" shape=oval style=filled]
+		nest0_1 [label="Recruitment Metrics Reporting" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+		nest0_2 [label="Recruitment Analytics" color="#F44336" fillcolor="#FFCDD2" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=brands color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=onboards color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=places color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=matches color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_101.dot b/test/graphviz/graph_medium/graphviz_101.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b8e7b09b9f35e94ff07a3101986e9cba62cc2b4f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_101.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=LR
+	N0 [label="Campus Recruitment" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label="Temporary Staffing" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N2 [label="Reference Checking" color="#4FC3F7" fillcolor="#E1F5FE" shape=Mdiamond style=filled]
+	N3 [label=Negotiation color="#4FC3F7" fillcolor="#E1F5FE" shape=oval style=filled]
+	N4 [label="Candidate Screening" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N5 [label="Candidate Relationship Management" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Internal Mobility" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	S1 [label="" color="#4FC3F7" fillcolor="#E1F5FE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#61CAC3" fillcolor="#C2E8E6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Employee Referral Program" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Candidate Experience Management" color="#61CAC3" fillcolor="#C2E8E6" shape=Mdiamond style=filled]
+		nest0_1 [label="Executive Search" color="#4FC3F7" fillcolor="#E1F5FE" shape=Mdiamond style=filled]
+		nest0_2 [label="Interview Panel Coordination" color="#61CAC3" fillcolor="#C2E8E6" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=matches color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=declines color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [label=places color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N4 [label=automates color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=headhunts color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_101.txt b/test/graphviz/graph_medium/graphviz_101.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa603e56cbff8f3aef9ca45b0ba203b372603db8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_101.txt
@@ -0,0 +1,19 @@
+<Campus Recruitment, connectedTo, Candidate Screening>
+<Campus Recruitment, headhunts, Candidate Screening>
+<Campus Recruitment, matches, Temporary Staffing>
+<Candidate Experience Management, connectedTo, Executive Search>
+<Candidate Experience Management, partOf, Candidate Experience Management>
+<Candidate Relationship Management, connectedTo, Internal Mobility>
+<Candidate Screening, connectedTo, Candidate Relationship Management>
+<Candidate Screening, places, Candidate Experience Management>
+<Executive Search, connectedTo, Interview Panel Coordination>
+<Executive Search, partOf, Executive Search>
+<Interview Panel Coordination, automates, Candidate Screening>
+<Interview Panel Coordination, partOf, Interview Panel Coordination>
+<Negotiation, connectedTo, Candidate Relationship Management>
+<Negotiation, connectedTo, Candidate Screening>
+<Negotiation, connectedTo, Internal Mobility>
+<Reference Checking, connectedTo, Candidate Screening>
+<Reference Checking, declines, Negotiation>
+<Temporary Staffing, connectedTo, Candidate Screening>
+<Temporary Staffing, connectedTo, Reference Checking>
diff --git a/test/graphviz/graph_medium/graphviz_102.txt b/test/graphviz/graph_medium/graphviz_102.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3553a5a51cfcfd3e22c99aedf42a113e80e834b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_102.txt
@@ -0,0 +1,24 @@
+<Applicant Tracking System Management, connectedTo, Candidate Tracking>
+<Background Check, hires, Candidate Screening>
+<Background Check, secures, Candidate Tracking>
+<Candidate Feedback Collection, advises, Temporary Staffing>
+<Candidate Feedback Collection, connectedTo, Global Recruitment Strategy>
+<Candidate Screening, connectedTo, Candidate Tracking>
+<Candidate Screening, connectedTo, Employee Referral Program>
+<Candidate Screening, optimizes, Applicant Tracking System Management>
+<Candidate Tracking, backgrounds, Internal Mobility>
+<Diversity Sourcing, connectedTo, Job Fair Organization>
+<Diversity Sourcing, connectedTo, Negotiation>
+<Employee Referral Program, connectedTo, Applicant Tracking System Management>
+<Employer Branding, connectedTo, Employee Referral Program>
+<Employer Branding, partOf, Employer Branding>
+<Freelancer Engagement, connectedTo, Diversity Sourcing>
+<Global Recruitment Strategy, connectedTo, Freelancer Engagement>
+<Internal Mobility, connectedTo, Candidate Experience Management>
+<Job Fair Organization, connectedTo, Employer Branding>
+<Job Fair Organization, partOf, Job Fair Organization>
+<Negotiation, refers, Background Check>
+<Reference Checking, connectedTo, Candidate Feedback Collection>
+<Reference Checking, connectedTo, Candidate Tracking>
+<Reference Checking, educates, Global Recruitment Strategy>
+<Temporary Staffing, matches, Global Recruitment Strategy>
diff --git a/test/graphviz/graph_medium/graphviz_103.dot b/test/graphviz/graph_medium/graphviz_103.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d0a831cae54e9a98c90036faa93943054caf68b1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_103.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=LR
+	N0 [label="Customer Loyalty Program Support" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N1 [label="Customer Relationship Management System Use" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N2 [label="Customer Onboarding Support" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N3 [label="Call Center Management" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Feedback Loop to Product Development" color="#C0CA33" fillcolor="#F9FBE7" shape=octagon style=filled]
+	N5 [label="Complaint Resolution" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N6 [label="Knowledge Base Creation" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N7 [label="First Contact Resolution Optimization" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	S0 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#CDDC39" fillcolor="#E6EE9C" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Multilingual Support" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cross_selling Opportunities" color="#C0CA33" fillcolor="#F9FBE7" shape=oval style=filled]
+		nest0_1 [label="Social Media Response" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+		nest0_2 [label="Training Customer Service Agents" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest0_3 [label="Up_selling Opportunities" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=exchanges color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=educates color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=optimizes color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label=complies color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [label=tracks color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=analyzes color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [label=improves color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_104.txt b/test/graphviz/graph_medium/graphviz_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fad1c086b488207964d731b3871d9e760114353f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_104.txt
@@ -0,0 +1,18 @@
+<Complaint Resolution, connectedTo, Phone Support>
+<Complaint Resolution, partOf, Complaint Resolution>
+<Cross_selling Opportunities, connectedTo, Feedback Loop to Product Development>
+<Customer Onboarding Support, connectedTo, Complaint Resolution>
+<Customer Onboarding Support, connectedTo, Refund Processing>
+<Feedback Loop to Product Development, connectedTo, Live Chat Support>
+<Issue Escalation, calls, Customer Onboarding Support>
+<Issue Escalation, listens, Knowledge Base Creation>
+<Knowledge Base Creation, engages, Live Chat Support>
+<Live Chat Support, connectedTo, Cross_selling Opportunities>
+<Order Status Check, connectedTo, Knowledge Base Creation>
+<Phone Support, connectedTo, Feedback Loop to Product Development>
+<Phone Support, partOf, Phone Support>
+<Proactive Communication, connectedTo, Service Blueprinting>
+<Refund Processing, connectedTo, Order Status Check>
+<Service Blueprinting, diagnoses, Service Recovery>
+<Service Recovery, connectedTo, Issue Escalation>
+<Service Recovery, connectedTo, Knowledge Base Creation>
diff --git a/test/graphviz/graph_medium/graphviz_105.txt b/test/graphviz/graph_medium/graphviz_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cc70949c29860e31b6ebfb51656a0fee6d2c6cef
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_105.txt
@@ -0,0 +1,24 @@
+<Accessibility Support, satisfies, Technical Support>
+<Call Center Management, connectedTo, Accessibility Support>
+<Complaint Trend Analysis, connectedTo, Feedback Collection>
+<Complaint Trend Analysis, reports, Order Status Check>
+<Cross_selling Opportunities, connectedTo, Customer Retention Strategies>
+<Cross_selling Opportunities, resolves, Call Center Management>
+<Customer Retention Strategies, connectedTo, Phone Support>
+<Customer Retention Strategies, connectedTo, Virtual Assistant Interaction>
+<Email Support, diagnoses, Order Status Check>
+<Feedback Collection, connectedTo, Call Center Management>
+<Feedback Collection, connectedTo, Cross_selling Opportunities>
+<Feedback Collection, connectedTo, Email Support>
+<Feedback Collection, records, Order Status Check>
+<Knowledge Base Creation, connectedTo, Service Recovery>
+<Order Status Check, calls, Call Center Management>
+<Order Status Check, connectedTo, Accessibility Support>
+<Order Status Check, connectedTo, Customer Retention Strategies>
+<Order Status Check, secures, Cross_selling Opportunities>
+<Phone Support, connectedTo, Service Blueprinting>
+<Phone Support, partOf, Phone Support>
+<Service Blueprinting, exchanges, Order Status Check>
+<Service Blueprinting, partOf, Service Blueprinting>
+<Technical Support, socials, Knowledge Base Creation>
+<Virtual Assistant Interaction, connectedTo, Call Center Management>
diff --git a/test/graphviz/graph_medium/graphviz_106.txt b/test/graphviz/graph_medium/graphviz_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec4a941882763c1a985d94c87b08b5ce43f4a68e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_106.txt
@@ -0,0 +1,17 @@
+<Circular Economy Practices, connectedTo, Predictive Analytics>
+<Data Analytics for Supply Chain, connectedTo, Circular Economy Practices>
+<Data Analytics for Supply Chain, connectedTo, Digital Twin of Supply Chain>
+<Digital Twin of Supply Chain, connectedTo, Reverse Logistics>
+<Digital Twin of Supply Chain, partOf, Digital Twin of Supply Chain>
+<Distribution Network Design, transparency, Performance Monitoring>
+<Inventory Management, connectedTo, Performance Monitoring>
+<Inventory Management, designs, Third_Party Logistics Management>
+<Performance Monitoring, connectedTo, Warehouse Automation>
+<Predictive Analytics, monitors, Vendor Managed Inventory>
+<Reverse Logistics, connectedTo, Vendor Managed Inventory>
+<Reverse Logistics, partOf, Reverse Logistics>
+<Third_Party Logistics Management, connectedTo, Distribution Network Design>
+<Third_Party Logistics Management, connectedTo, Performance Monitoring>
+<Third_Party Logistics Management, connectedTo, Reverse Logistics>
+<Vendor Managed Inventory, transports, Blockchain for Traceability>
+<Warehouse Automation, connectedTo, Data Analytics for Supply Chain>
diff --git a/test/graphviz/graph_medium/graphviz_107.dot b/test/graphviz/graph_medium/graphviz_107.dot
new file mode 100644
index 0000000000000000000000000000000000000000..66d9c03e535e259ab6b2f98d49d30478e1d03bb3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_107.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=BT
+	N0 [label="Third_Party Logistics Management" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N1 [label="Supply Chain Visibility" color="#42A5F5" fillcolor="#F1F8FF" shape=Mdiamond style=filled]
+	N2 [label="Logistics Optimization" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N3 [label="Supply Chain Finance" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N4 [label=Procurement color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N5 [label="Collaborative Planning" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N6 [label="Distribution Network Design" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N7 [label="Hazardous Materials Handling" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N8 [label="Sustainability Initiatives" color="#42A5F5" fillcolor="#F1F8FF" shape=octagon style=filled]
+	N9 [label="Circular Economy Practices" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N10 [label="Container Tracking" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N11 [label="Customs Compliance" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Intermodal Transportation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Reverse Logistics" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+		nest0_1 [label="Production Planning" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+		nest0_2 [label="Inventory Management" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=traceability color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=communicates color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=risk color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N2 [label=mitigates color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_108.dot b/test/graphviz/graph_medium/graphviz_108.dot
new file mode 100644
index 0000000000000000000000000000000000000000..17715fe3237bc0216baaf92a812b0b5886b68b09
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_108.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=BT
+	N0 [label="Predictive Analytics" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Warehouse Automation" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Collaborative Planning" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N3 [label="Resilience Planning" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N4 [label="Supply Chain Finance" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N5 [label="Container Tracking" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N6 [label="Order Fulfillment" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N7 [label=Procurement color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N8 [label="Supplier Relationship Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N9 [label="Intermodal Transportation" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N10 [label="Sustainability Initiatives" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N11 [label="Supply Chain Visibility" color="#FF8A65" fillcolor="#FBE9E7" shape=oval style=filled]
+	N12 [label="Production Scheduling Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	S0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Hazardous Materials Handling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Data Analytics for Supply Chain" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+		nest0_1 [label="Risk Mitigation Strategies" color="#CD8FF2" fillcolor="#ECCFF5" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=manufactures color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=predicts color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=implements color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=communicates color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=returns color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=visualizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N6 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> S0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label=transparency color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_109.txt b/test/graphviz/graph_medium/graphviz_109.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bf7e5c05bb0d2a24e0380ca03aa79012ac3b35f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_109.txt
@@ -0,0 +1,23 @@
+<Core Logging, restores, Feasibility Study>
+<Crushing and Grinding, operates, Regulatory Compliance Reporting>
+<Crushing and Grinding, partOf, Crushing and Grinding>
+<Feasibility Study, connectedTo, Robotics in Mining>
+<Geological Survey, connectedTo, Safety Management>
+<Mine Closure Planning, connectedTo, Feasibility Study>
+<Mine Closure Planning, refines, Reclamation>
+<Mine Dewatering, audits, Core Logging>
+<Mine Dewatering, connectedTo, Feasibility Study>
+<Mine Dewatering, connectedTo, Geological Survey>
+<Mine Dewatering, connectedTo, Robotics in Mining>
+<Ore Extraction, licenses, Crushing and Grinding>
+<Ore Extraction, partOf, Ore Extraction>
+<Reclamation, connectedTo, Mine Dewatering>
+<Regulatory Compliance Reporting, extracts, Mine Closure Planning>
+<Regulatory Compliance Reporting, partOf, Regulatory Compliance Reporting>
+<Resource Estimation, complies, Mine Closure Planning>
+<Robotics in Mining, connectedTo, Waste Rock Management>
+<Safety Management, connectedTo, Water Management>
+<Tailings Management, connectedTo, Ore Extraction>
+<Tailings Management, partOf, Tailings Management>
+<Waste Rock Management, connectedTo, Tailings Management>
+<Waste Rock Management, models, Geological Survey>
diff --git a/test/graphviz/graph_medium/graphviz_11.dot b/test/graphviz/graph_medium/graphviz_11.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0de29ce3bcfcafd7227cd4e35925a1b7602ada57
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_11.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=RL
+	N0 [label="Course Selection" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Digital Resource Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+	N2 [label="Result Declaration" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N3 [label="Attendance Tracking" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N4 [label="Thesis Submission" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N5 [label="Research Grant Application" color="#FFC107" fillcolor="#FFECB3" shape=oval style=filled]
+	N6 [label="School Accreditation" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+	N7 [label="Transcript Issuance" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N8 [label="Alumni Network Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N9 [label="Graduation Approval" color="#FFC107" fillcolor="#FFECB3" shape=octagon style=filled]
+	N10 [label="Student Feedback Collection" color="#9FA9E1" fillcolor="#D6D9F0" shape=plaintext style=filled]
+	N11 [label="Career Services" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N12 [label="Assignment Submission" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Peer Tutoring" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Study Abroad Program" color="#9FA9E1" fillcolor="#D6D9F0" shape=octagon style=filled]
+		nest0_1 [label="Timetable Scheduling" color="#FFC107" fillcolor="#FFECB3" shape=folder style=filled]
+		nest0_2 [label="Parent_Teacher Conference" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+		nest0_3 [label="Disciplinary Action" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [label=supports color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=enrolls color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=licenses color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=accesses color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=certifies color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N10 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [label=teaches color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=trains color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N9 -> S1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_11.txt b/test/graphviz/graph_medium/graphviz_11.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19cf8abd26e87e6e06481c7ce28f3d277deb395e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_11.txt
@@ -0,0 +1,27 @@
+<Alumni Network Management, connectedTo, Graduation Approval>
+<Attendance Tracking, certifies, Thesis Submission>
+<Career Services, connectedTo, Assignment Submission>
+<Course Selection, enrolls, Digital Resource Management>
+<Digital Resource Management, licenses, Result Declaration>
+<Disciplinary Action, connectedTo, Student Feedback Collection>
+<Disciplinary Action, partOf, Disciplinary Action>
+<Graduation Approval, connectedTo, Assignment Submission>
+<Graduation Approval, connectedTo, Career Services>
+<Graduation Approval, connectedTo, Student Feedback Collection>
+<Parent_Teacher Conference, connectedTo, Disciplinary Action>
+<Parent_Teacher Conference, partOf, Parent_Teacher Conference>
+<Research Grant Application, connectedTo, School Accreditation>
+<Research Grant Application, connectedTo, Transcript Issuance>
+<Research Grant Application, teaches, Student Feedback Collection>
+<Research Grant Application, trains, Transcript Issuance>
+<Result Declaration, accesses, Attendance Tracking>
+<Result Declaration, connectedTo, Transcript Issuance>
+<School Accreditation, connectedTo, Study Abroad Program>
+<School Accreditation, connectedTo, Transcript Issuance>
+<Student Feedback Collection, connectedTo, Career Services>
+<Study Abroad Program, partOf, Study Abroad Program>
+<Study Abroad Program, supports, Timetable Scheduling>
+<Thesis Submission, connectedTo, Research Grant Application>
+<Timetable Scheduling, connectedTo, Parent_Teacher Conference>
+<Timetable Scheduling, partOf, Timetable Scheduling>
+<Transcript Issuance, connectedTo, Alumni Network Management>
diff --git a/test/graphviz/graph_medium/graphviz_111.txt b/test/graphviz/graph_medium/graphviz_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b171e77d79800b015944424c97585fbf7fa8b086
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_111.txt
@@ -0,0 +1,18 @@
+<Emergency Response Planning, connectedTo, Ore Extraction>
+<Emergency Response Planning, partOf, Emergency Response Planning>
+<Exploration Drilling, connectedTo, Emergency Response Planning>
+<Exploration Drilling, partOf, Exploration Drilling>
+<Mineral Processing, connectedTo, Ore Extraction>
+<Mineral Processing, connectedTo, Ore Sorting>
+<Mineral Processing, models, Permit Acquisition>
+<Ore Extraction, connectedTo, Ore Sorting>
+<Ore Extraction, partOf, Ore Extraction>
+<Ore Sorting, connectedTo, Exploration Drilling>
+<Ore Sorting, connectedTo, Regulatory Compliance Reporting>
+<Permit Acquisition, manages, Exploration Drilling>
+<Permit Acquisition, partOf, Permit Acquisition>
+<Regulatory Compliance Reporting, refines, Remote Operations Center>
+<Remote Operations Center, funds, Mineral Processing>
+<Robotics in Mining, connectedTo, Mineral Processing>
+<Robotics in Mining, connectedTo, Regulatory Compliance Reporting>
+<Robotics in Mining, operates, Remote Operations Center>
diff --git a/test/graphviz/graph_medium/graphviz_113.txt b/test/graphviz/graph_medium/graphviz_113.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3867ed69a186c3d7684b5433121e75deeb6346f3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_113.txt
@@ -0,0 +1,25 @@
+<Ballast Water Management, protects, Ship Registry>
+<Cargo Loading, connectedTo, Ballast Water Management>
+<Cargo Loading, connectedTo, Container Tracking>
+<Cargo Loading, connectedTo, Ship Registry>
+<Cargo Loading, licenses, Maritime Security>
+<Container Tracking, connectedTo, Freight Forwarding>
+<Customs Clearance, equipment, Fleet Management>
+<Customs Clearance, partOf, Customs Clearance>
+<Fleet Management, partOf, Fleet Management>
+<Fleet Management, transports, Terminal Management>
+<Freight Forwarding, connectedTo, Customs Clearance>
+<Freight Forwarding, connectedTo, Dry Docking>
+<Marine Data Analytics, connectedTo, Ballast Water Management>
+<Marine Data Analytics, connectedTo, Shipbuilding>
+<Maritime Security, rescues, Ship Design>
+<Port Operations, connectedTo, Container Tracking>
+<Ship Design, connectedTo, Port Operations>
+<Ship Registry, connectedTo, Maritime Security>
+<Shipbuilding, connectedTo, Ballast Water Management>
+<Shipbuilding, connectedTo, Ship Registry>
+<Shipbuilding, salvages, Cargo Loading>
+<Terminal Management, charts, Voyage Optimization>
+<Terminal Management, partOf, Terminal Management>
+<Voyage Optimization, connectedTo, Freight Forwarding>
+<Voyage Optimization, partOf, Voyage Optimization>
diff --git a/test/graphviz/graph_medium/graphviz_115.dot b/test/graphviz/graph_medium/graphviz_115.dot
new file mode 100644
index 0000000000000000000000000000000000000000..28e2f79898b0971afa415c563cfa2aab533aeb72
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_115.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=RL
+	N0 [label="Telemetry Monitoring" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N1 [label="Sample Return Missions" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N2 [label="Propellant Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N3 [label="Space Tourism Development" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N4 [label="Launch Operations" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+	N5 [label="Interplanetary Trajectory Calculation" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Space Weather Forecasting" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Payload Development" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+		nest0_1 [label="Spacecraft Control" color="#2196F3" fillcolor="#BBDEFB" shape=plaintext style=filled]
+		nest0_2 [label="Commercial Space Flight Regulation" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+		nest0_3 [label="Rocket Propulsion Development" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=tests color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=orbits color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=secures color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=collaborates color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=monitors color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_115.txt b/test/graphviz/graph_medium/graphviz_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bf37000bad1ff8c4cb7577d8da12403140cfbe4c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_115.txt
@@ -0,0 +1,18 @@
+<Commercial Space Flight Regulation, orbits, Rocket Propulsion Development>
+<Commercial Space Flight Regulation, partOf, Commercial Space Flight Regulation>
+<Launch Operations, collaborates, Interplanetary Trajectory Calculation>
+<Payload Development, partOf, Payload Development>
+<Payload Development, tests, Spacecraft Control>
+<Propellant Management, connectedTo, Payload Development>
+<Propellant Management, connectedTo, Space Tourism Development>
+<Rocket Propulsion Development, connectedTo, Interplanetary Trajectory Calculation>
+<Rocket Propulsion Development, partOf, Rocket Propulsion Development>
+<Sample Return Missions, connectedTo, Interplanetary Trajectory Calculation>
+<Sample Return Missions, connectedTo, Launch Operations>
+<Sample Return Missions, connectedTo, Propellant Management>
+<Sample Return Missions, connectedTo, Space Tourism Development>
+<Space Tourism Development, connectedTo, Launch Operations>
+<Spacecraft Control, connectedTo, Commercial Space Flight Regulation>
+<Spacecraft Control, partOf, Spacecraft Control>
+<Telemetry Monitoring, monitors, Launch Operations>
+<Telemetry Monitoring, secures, Sample Return Missions>
diff --git a/test/graphviz/graph_medium/graphviz_116.dot b/test/graphviz/graph_medium/graphviz_116.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e0216f34492a2639974771868e22093b99536715
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_116.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=TD
+	N0 [label="Microgravity Experiments" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N1 [label="Radiation Shielding Design" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
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+	N6 [label="Astronaut Training" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N7 [label="Scientific Data Analysis" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N8 [label="Data Acquisition" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N9 [label="Autonomous Rendezvous and Docking" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Space Debris Mitigation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Asteroid Mining Feasibility" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+		nest0_1 [label="Planetary Science Research" color="#FFDA4E" fillcolor="#FFE88D" shape=plaintext style=filled]
+		nest0_2 [label="Mission Control Center Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
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+	S0 -> N8 [label=develops color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=builds color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
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+	N2 -> M0 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_117.txt b/test/graphviz/graph_medium/graphviz_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ca16ef783c78b0f6fe25310ffb985fa4fd95052
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_117.txt
@@ -0,0 +1,23 @@
+<Astrophysics Research, connectedTo, Commercial Space Flight Regulation>
+<Astrophysics Research, connectedTo, Launch Vehicle Integration>
+<Astrophysics Research, connectedTo, Spacecraft Control>
+<Commercial Space Flight Regulation, connectedTo, Deep Space Communications>
+<Commercial Space Flight Regulation, launches, New Space Technology Development>
+<Deep Space Communications, connectedTo, Space Tourism Development>
+<In_Situ Resource Utilization, navigates, Launch Vehicle Integration>
+<International Collaboration, connectedTo, Commercial Space Flight Regulation>
+<International Collaboration, connectedTo, Rocket Propulsion Development>
+<Interplanetary Trajectory Calculation, connectedTo, Mission Design>
+<Launch Vehicle Integration, connectedTo, Life Support Systems>
+<Life Support Systems, collaborates, International Collaboration>
+<Life Support Systems, secures, Deep Space Communications>
+<Mars Mission Planning, connectedTo, In_Situ Resource Utilization>
+<Mars Mission Planning, connectedTo, Microgravity Experiments>
+<Microgravity Experiments, connectedTo, Rocket Propulsion Development>
+<Microgravity Experiments, partOf, Microgravity Experiments>
+<Mission Design, connectedTo, Space Weather Forecasting>
+<New Space Technology Development, connectedTo, Deep Space Communications>
+<Rocket Propulsion Development, connectedTo, Space Weather Forecasting>
+<Rocket Propulsion Development, partOf, Rocket Propulsion Development>
+<Space Weather Forecasting, connectedTo, Mars Mission Planning>
+<Spacecraft Control, inspires, Interplanetary Trajectory Calculation>
diff --git a/test/graphviz/graph_medium/graphviz_118.dot b/test/graphviz/graph_medium/graphviz_118.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a25851e4e00fe7aeb6e5da4eaf0932d5237cb146
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_118.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="Carbon Cycle Research" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N1 [label="Sea Level Rise Projection" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
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+	N3 [label="Public Engagement on Climate" color="#E91E63" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
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+	N5 [label="Paleoclimate Reconstruction" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N6 [label="Climate Change Vulnerability Assessment" color="#CDDC39" fillcolor="#E6EE9C" shape=octagon style=filled]
+	N7 [label="Solar Radiation Management Research" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N8 [label="Ecological Footprint Calculation" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
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+		nest0_3 [label="Climate Resilient Agriculture" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
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+}
diff --git a/test/graphviz/graph_medium/graphviz_118.txt b/test/graphviz/graph_medium/graphviz_118.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd79b3941cc1c3ae9403217b8d0759e4945d2d3e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_118.txt
@@ -0,0 +1,21 @@
+<Carbon Cycle Research, connectedTo, Sea Level Rise Projection>
+<Climate Change Vulnerability Assessment, attributes, Data Collection>
+<Climate Change Vulnerability Assessment, influences, Solar Radiation Management Research>
+<Climate Policy Analysis, connectedTo, Paleoclimate Reconstruction>
+<Climate Resilient Agriculture, connectedTo, Paleoclimate Reconstruction>
+<Climate Resilient Agriculture, partOf, Climate Resilient Agriculture>
+<Data Collection, connectedTo, Greenhouse Gas Measurement>
+<Data Collection, partOf, Data Collection>
+<Greenhouse Gas Measurement, connectedTo, Ocean Current Analysis>
+<Greenhouse Gas Measurement, partOf, Greenhouse Gas Measurement>
+<Ocean Acidification Studies, calibrates, Solar Radiation Management Research>
+<Ocean Acidification Studies, connectedTo, Paleoclimate Reconstruction>
+<Ocean Acidification Studies, connectedTo, Public Engagement on Climate>
+<Ocean Current Analysis, partOf, Ocean Current Analysis>
+<Ocean Current Analysis, quantifies, Climate Resilient Agriculture>
+<Paleoclimate Reconstruction, adapts, Climate Change Vulnerability Assessment>
+<Paleoclimate Reconstruction, connectedTo, Solar Radiation Management Research>
+<Public Engagement on Climate, connectedTo, Climate Policy Analysis>
+<Public Engagement on Climate, validates, Solar Radiation Management Research>
+<Sea Level Rise Projection, connectedTo, Ocean Acidification Studies>
+<Solar Radiation Management Research, connectedTo, Ecological Footprint Calculation>
diff --git a/test/graphviz/graph_medium/graphviz_119.dot b/test/graphviz/graph_medium/graphviz_119.dot
new file mode 100644
index 0000000000000000000000000000000000000000..56c62d37f61b309a5e0e36b1b3833000a362dacc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_119.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=RL
+	N0 [label="Data Collection" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
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+	N4 [label="Ecological Footprint Calculation" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N5 [label="Mitigation Technology Evaluation" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N6 [label="Ocean Current Analysis" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N7 [label="Ice Sheet Dynamics" color="#CFCFCF" fillcolor="#F6F6F6" shape=Mdiamond style=filled]
+	N8 [label="Green Technology Incubation" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N9 [label="Climate Education Programs" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N10 [label="Atmospheric Monitoring" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
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+	N1 -> S1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/test/graphviz/graph_medium/graphviz_12.txt b/test/graphviz/graph_medium/graphviz_12.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f9df0f2711c3e1b936f5670caa36885a7714d6d4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_12.txt
@@ -0,0 +1,23 @@
+<Advisory Committee Meeting, connectedTo, Special Education Support>
+<Alumni Network Management, connectedTo, Document Verification>
+<Alumni Network Management, connectedTo, Scholarship Evaluation>
+<Course Material Preparation, connectedTo, Scholarship Evaluation>
+<Course Selection, connectedTo, Scholarship Evaluation>
+<Course Selection, evaluates, Student Enrollment>
+<Disciplinary Action, connectedTo, Course Material Preparation>
+<Document Verification, connectedTo, Course Selection>
+<Internship Coordination, awards, Online Learning Platform Management>
+<Internship Coordination, partOf, Internship Coordination>
+<Online Learning Platform Management, connectedTo, Orientation>
+<Online Learning Platform Management, partOf, Online Learning Platform Management>
+<Parent_Teacher Conference, connectedTo, Advisory Committee Meeting>
+<Parent_Teacher Conference, connectedTo, Internship Coordination>
+<Result Declaration, connectedTo, Timetable Scheduling>
+<Scholarship Evaluation, connectedTo, Result Declaration>
+<Scholarship Evaluation, connectedTo, Study Abroad Program>
+<Scholarship Evaluation, trains, Document Verification>
+<Special Education Support, connectedTo, Study Abroad Program>
+<Student Enrollment, connectedTo, Orientation>
+<Student Feedback Collection, connectedTo, Disciplinary Action>
+<Study Abroad Program, accesses, Alumni Network Management>
+<Timetable Scheduling, connectedTo, Parent_Teacher Conference>
diff --git a/test/graphviz/graph_medium/graphviz_120.txt b/test/graphviz/graph_medium/graphviz_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7327238dc44c7cf1e601ec54718b83b1354a8f0d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_120.txt
@@ -0,0 +1,25 @@
+<Adaptation Strategy Development, connectedTo, Indigenous Knowledge Integration>
+<Adaptation Strategy Development, connectedTo, Renewable Energy Potential Assessment>
+<Biodiversity Impact Assessment, educates, Ice Sheet Dynamics>
+<Carbon Sequestration Technologies, connectedTo, Climate Impact Assessment>
+<Climate Policy Analysis, connectedTo, Climate Impact Assessment>
+<Climate Policy Analysis, connectedTo, Ecosystem Response Modeling>
+<Climate Policy Analysis, connectedTo, Green Technology Incubation>
+<Climate Policy Analysis, connectedTo, Indigenous Knowledge Integration>
+<Climate Policy Analysis, validates, Flood Risk Assessment>
+<Climate Resilient Agriculture, connectedTo, Biodiversity Impact Assessment>
+<Climate Resilient Agriculture, connectedTo, Indigenous Knowledge Integration>
+<Ecosystem Response Modeling, connectedTo, Ice Sheet Dynamics>
+<Ecosystem Response Modeling, resilience, Flood Risk Assessment>
+<Ecosystem Response Modeling, strategies, Green Technology Incubation>
+<Flood Risk Assessment, connectedTo, Climate Resilient Agriculture>
+<Green Technology Incubation, reports, Adaptation Strategy Development>
+<Greenhouse Gas Measurement, connectedTo, Carbon Sequestration Technologies>
+<Greenhouse Gas Measurement, partOf, Greenhouse Gas Measurement>
+<Ice Sheet Dynamics, connectedTo, Sea Level Rise Projection>
+<Ice Sheet Dynamics, models, Indigenous Knowledge Integration>
+<Indigenous Knowledge Integration, connectedTo, Carbon Sequestration Technologies>
+<Public Engagement on Climate, connectedTo, Climate Policy Analysis>
+<Renewable Energy Potential Assessment, connectedTo, Greenhouse Gas Measurement>
+<Renewable Energy Potential Assessment, partOf, Renewable Energy Potential Assessment>
+<Sea Level Rise Projection, assesses, Green Technology Incubation>
diff --git a/test/graphviz/graph_medium/graphviz_122.dot b/test/graphviz/graph_medium/graphviz_122.dot
new file mode 100644
index 0000000000000000000000000000000000000000..db4cc95a37966721be718879a6dfaca500def343
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_122.dot
@@ -0,0 +1,49 @@
+digraph {
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+	N3 -> S0 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=simulates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_123.txt b/test/graphviz/graph_medium/graphviz_123.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ea635152aab51075756c32565806e9fd04aa82e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_123.txt
@@ -0,0 +1,23 @@
+<Agricultural Weather Advisory, connectedTo, Climate Modeling>
+<Agricultural Weather Advisory, connectedTo, Hurricane Trajectory Modeling>
+<Arctic Weather Research, connectedTo, Numerical Weather Prediction>
+<Atmospheric Sounding, connectedTo, Synoptic Chart Analysis>
+<Atmospheric Sounding, partOf, Atmospheric Sounding>
+<Aviation Weather Briefing, connectedTo, Climate Change Impact Study>
+<Climate Modeling, connectedTo, Arctic Weather Research>
+<Fire Weather Forecasting, calculates, Climate Change Impact Study>
+<Fire Weather Forecasting, connectedTo, Aviation Weather Briefing>
+<Flood Prediction, alerts, Climate Change Impact Study>
+<Flood Prediction, connectedTo, Agricultural Weather Advisory>
+<Flood Prediction, disseminates, Hurricane Trajectory Modeling>
+<Hurricane Trajectory Modeling, connectedTo, Aviation Weather Briefing>
+<Hurricane Trajectory Modeling, connectedTo, Climate Change Impact Study>
+<Hurricane Trajectory Modeling, connectedTo, Fire Weather Forecasting>
+<Lightning Detection, monitors, Nowcasting>
+<Lightning Detection, partOf, Lightning Detection>
+<Nowcasting, connectedTo, Atmospheric Sounding>
+<Nowcasting, partOf, Nowcasting>
+<Numerical Weather Prediction, connectedTo, Hurricane Trajectory Modeling>
+<Numerical Weather Prediction, warns, Lightning Detection>
+<Synoptic Chart Analysis, advises, Climate Modeling>
+<Synoptic Chart Analysis, partOf, Synoptic Chart Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_124.txt b/test/graphviz/graph_medium/graphviz_124.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ad652d372b760142cc9887e6bf832e53dc46d2a8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_124.txt
@@ -0,0 +1,19 @@
+<Anaerobic Digestion, connectedTo, Waste Management Data Analytics>
+<Anaerobic Digestion, partOf, Anaerobic Digestion>
+<Composting, connectedTo, Paper Recycling>
+<Glass Recycling, connectedTo, Illegal Dumping Monitoring>
+<Industrial Waste Management, sorts, Textile Recycling>
+<Paper Recycling, connectedTo, Anaerobic Digestion>
+<Paper Recycling, connectedTo, Industrial Waste Management>
+<Paper Recycling, designs, Waste Compaction>
+<Paper Recycling, inspects, Illegal Dumping Monitoring>
+<Recycling Processing, connectedTo, Glass Recycling>
+<Recycling Processing, incinerates, Composting>
+<Textile Recycling, connectedTo, Glass Recycling>
+<Waste Characterization Study, connectedTo, Recycling Processing>
+<Waste Compaction, connectedTo, Industrial Waste Management>
+<Waste Compaction, licenses, Glass Recycling>
+<Waste Management Data Analytics, converts, Waste_to_Energy Conversion>
+<Waste Management Data Analytics, partOf, Waste Management Data Analytics>
+<Waste_to_Energy Conversion, connectedTo, Illegal Dumping Monitoring>
+<Waste_to_Energy Conversion, partOf, Waste_to_Energy Conversion>
diff --git a/test/graphviz/graph_medium/graphviz_125.dot b/test/graphviz/graph_medium/graphviz_125.dot
new file mode 100644
index 0000000000000000000000000000000000000000..22c53de8edfc562fb4201810548d7d0fb5d23d08
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_125.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=BT
+	N0 [label="Material Recovery Facility Operation" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Plastic Recycling Technologies" color="#FF8A65" fillcolor="#FBE9E7" shape=plaintext style=filled]
+	N2 [label="Circular Economy Initiatives" color="#F44336" fillcolor="#FFCDD2" shape=plaintext style=filled]
+	N3 [label="Waste Management Data Analytics" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N4 [label="Waste Audit" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N5 [label="Container Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S0 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Construction and Demolition Waste Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Metal Recycling" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+		nest0_1 [label="Waste Characterization Study" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+		nest0_2 [label="Waste Compaction" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=operates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=minimizes color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=reclaims color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [label=disposes color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N2 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=licenses color="#F44336" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_126.dot b/test/graphviz/graph_medium/graphviz_126.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1691bacac8061330751ca52828b5e497b151a79
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_126.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=BT
+	N0 [label="Construction and Demolition Waste Management" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Landfill Operation" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N2 [label="Container Management" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N3 [label=Composting color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N4 [label="Recycling Processing" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N5 [label="Metal Recycling" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N6 [label="Leachate Treatment" color="#00BCD4" fillcolor="#E0F7FA" shape=oval style=filled]
+	N7 [label="Waste Logistics Optimization" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N8 [label="Public Education on Waste" color="#00BCD4" fillcolor="#E0F7FA" shape=Mdiamond style=filled]
+	N9 [label="Waste Management Policy Development" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N10 [label="Transfer Station Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#E0F7FA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Waste Characterization Study" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Anaerobic Digestion" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+		nest0_1 [label="Organics Collection" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+		nest0_2 [label="Community Recycling Programs" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=audits color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=extracts color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=reports color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=operates color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N1 [label=grades color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=recycles color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_127.dot b/test/graphviz/graph_medium/graphviz_127.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f41214b87159389a4d2e30643b625def4ea9bc08
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_127.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=LR
+	N0 [label="Irrigation Management" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N1 [label="Groundwater Management" color="#795548" fillcolor="#D7CCC8" shape=octagon style=filled]
+	N2 [label="Water Source Identification" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N3 [label="Water Quality Monitoring" color="#2196F3" fillcolor="#BBDEFB" shape=plaintext style=filled]
+	N4 [label="Piping Network Repair" color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N5 [label="Water Scarcity Mitigation" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N6 [label="Environmental Flow Assessment" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	S0 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Hydroelectric Power Generation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Wastewater Collection" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+		nest0_1 [label="Billing and Revenue Management" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+		nest0_2 [label="Water Conservation Planning" color="#795548" fillcolor="#D7CCC8" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=designs color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [label=reports color="#795548" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N2 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [label=repairs color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=detects color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_127.txt b/test/graphviz/graph_medium/graphviz_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..27384fd15ac80d1255e1be1c77f05ee1280acec1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_127.txt
@@ -0,0 +1,19 @@
+<Billing and Revenue Management, connectedTo, Water Conservation Planning>
+<Billing and Revenue Management, partOf, Billing and Revenue Management>
+<Groundwater Management, connectedTo, Environmental Flow Assessment>
+<Groundwater Management, connectedTo, Water Source Identification>
+<Groundwater Management, detects, Water Quality Monitoring>
+<Groundwater Management, repairs, Water Scarcity Mitigation>
+<Irrigation Management, connectedTo, Groundwater Management>
+<Piping Network Repair, designs, Water Scarcity Mitigation>
+<Piping Network Repair, reports, Wastewater Collection>
+<Wastewater Collection, connectedTo, Billing and Revenue Management>
+<Wastewater Collection, partOf, Wastewater Collection>
+<Water Conservation Planning, connectedTo, Water Source Identification>
+<Water Conservation Planning, partOf, Water Conservation Planning>
+<Water Quality Monitoring, connectedTo, Piping Network Repair>
+<Water Scarcity Mitigation, connectedTo, Environmental Flow Assessment>
+<Water Source Identification, connectedTo, Environmental Flow Assessment>
+<Water Source Identification, connectedTo, Piping Network Repair>
+<Water Source Identification, connectedTo, Water Quality Monitoring>
+<Water Source Identification, connectedTo, Water Scarcity Mitigation>
diff --git a/test/graphviz/graph_medium/graphviz_128.dot b/test/graphviz/graph_medium/graphviz_128.dot
new file mode 100644
index 0000000000000000000000000000000000000000..20f331917bdb399e5cc885d66e106c6d2081bb23
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_128.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=TD
+	N0 [label="Reservoir Operation" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Wastewater Treatment" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N2 [label="Wastewater Collection" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N3 [label="Pollution Source Identification" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N4 [label="Rainwater Harvesting" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N5 [label="Dam Management" color="#92C79A" fillcolor="#E8F0EA" shape=octagon style=filled]
+	N6 [label="Water Meter Reading" color="#388E3C" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N7 [label="Stormwater Management" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N8 [label="Agricultural Water Use Efficiency" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N9 [label="Flood Control" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N10 [label="Hydrological Modeling" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N11 [label="Watershed Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=folder style=filled]
+	N12 [label="Ecosystem Protection" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#388E3C" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Billing and Revenue Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sewer System Inspection" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+		nest0_1 [label="Water Distribution" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=distributes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=allocates color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=detects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N11 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=controls color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [label=plans color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [label=drains color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N9 -> M0 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N12 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [label=pumps color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [label=designs color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_129.txt b/test/graphviz/graph_medium/graphviz_129.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31174923e16d63f94ecf55aa47293b273f07f8ba
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_129.txt
@@ -0,0 +1,21 @@
+<Billing and Revenue Management, connectedTo, Water Treatment>
+<Ecosystem Protection, connectedTo, Wastewater Collection>
+<Industrial Water Use Optimization, connectedTo, Ecosystem Protection>
+<Industrial Water Use Optimization, models, Water Conservation Planning>
+<Public Awareness Campaigns, connectedTo, Smart Water Networks>
+<Sewer System Inspection, connectedTo, Billing and Revenue Management>
+<Sewer System Inspection, connectedTo, Water Treatment>
+<Sewer System Inspection, maintains, Water Scarcity Mitigation>
+<Smart Water Networks, assesses, Water Source Identification>
+<Stormwater Management, connectedTo, Sewer System Inspection>
+<Stormwater Management, connectedTo, Water Treatment>
+<Stormwater Management, supplies, Water Scarcity Mitigation>
+<Wastewater Collection, connectedTo, Public Awareness Campaigns>
+<Wastewater Treatment, connectedTo, Water Rights Management>
+<Wastewater Treatment, partOf, Wastewater Treatment>
+<Water Conservation Planning, audits, Wastewater Treatment>
+<Water Conservation Planning, partOf, Water Conservation Planning>
+<Water Rights Management, connectedTo, Water Source Identification>
+<Water Rights Management, partOf, Water Rights Management>
+<Water Scarcity Mitigation, connectedTo, Industrial Water Use Optimization>
+<Water Treatment, connectedTo, Water Scarcity Mitigation>
diff --git a/test/graphviz/graph_medium/graphviz_13.dot b/test/graphviz/graph_medium/graphviz_13.dot
new file mode 100644
index 0000000000000000000000000000000000000000..67b6f2e38bd136d3353f5c103d5ecb815a7ac916
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_13.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=TD
+	N0 [label="Stock Replenishment" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N1 [label="Subscription Service" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N2 [label="Supplier Onboarding" color="#AED581" fillcolor="#F0F4C3" shape=Mdiamond style=filled]
+	N3 [label="Loyalty Points" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N4 [label="Delivery Rescheduling" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N5 [label="Customer Segmentation" color="#AED581" fillcolor="#F0F4C3" shape=folder style=filled]
+	N6 [label="Add to Cart" color="#AED581" fillcolor="#F0F4C3" shape=oval style=filled]
+	N7 [label=Shipment color="#4CAF50" fillcolor="#C8E6C9" shape=folder style=filled]
+	N8 [label="Return Merchandise Authorization" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	S0 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="A or B Testing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Mobile App Interaction" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+		nest0_1 [label="Order Confirmation" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+		nest0_2 [label="Up_selling Offer" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+		nest0_3 [label="Promotion Application" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=validates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=sorts color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=bundles color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=manages color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=promotes color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=ships color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [label=confirms color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=updates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=monitors color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_130.dot b/test/graphviz/graph_medium/graphviz_130.dot
new file mode 100644
index 0000000000000000000000000000000000000000..95b565a1f9080e15849547be73f3d183f7604f7d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_130.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Recycling Data Tracking" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N1 [label="Tyre Recycling" color="#FFC085" fillcolor="#FFDAB9" shape=folder style=filled]
+	N2 [label="Paper Recycling" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N3 [label="Glass Recycling" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N4 [label="Product Design for Recyclability" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N5 [label="Closed_Loop Material Flow" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N6 [label="Commercial Recycling Solutions" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N7 [label="Battery Recycling" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Reprocessing into Raw Material" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Composting Organic Waste" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+		nest0_1 [label="Deposit_Return Schemes" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=supports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=manufactures color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=forms color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=melts color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [label=reduces color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=collects color="#4285F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_131.txt b/test/graphviz/graph_medium/graphviz_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0381107ac33b43fc4da30415e097d980ad42378d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_131.txt
@@ -0,0 +1,23 @@
+<Advanced Sorting Technologies, connectedTo, Deposit_Return Schemes>
+<Battery Recycling, compacts, Advanced Sorting Technologies>
+<Battery Recycling, complies, Advanced Sorting Technologies>
+<Battery Recycling, connectedTo, Circular Economy Implementation>
+<Battery Recycling, designs, Construction Waste Recycling>
+<Battery Recycling, transports, Waste Stream Analysis>
+<Circular Economy Implementation, forms, Advanced Sorting Technologies>
+<Cleaning and Processing, connectedTo, Circular Economy Implementation>
+<Cleaning and Processing, connectedTo, Contamination Reduction>
+<Contamination Reduction, connectedTo, Industrial Recycling Programs>
+<Contamination Reduction, partOf, Contamination Reduction>
+<Deposit_Return Schemes, reduces, Construction Waste Recycling>
+<Glass Recycling, connectedTo, Advanced Sorting Technologies>
+<Glass Recycling, reuses, Recycling Infrastructure Development>
+<Industrial Recycling Programs, connectedTo, Sorting and Segregation>
+<Industrial Recycling Programs, partOf, Industrial Recycling Programs>
+<Recycling Infrastructure Development, connectedTo, Battery Recycling>
+<Recycling Infrastructure Development, connectedTo, Circular Economy Implementation>
+<Recycling Infrastructure Development, connectedTo, Waste Stream Analysis>
+<Sorting and Segregation, educates, Deposit_Return Schemes>
+<Sorting and Segregation, partOf, Sorting and Segregation>
+<Waste Stream Analysis, connectedTo, Advanced Sorting Technologies>
+<Waste Stream Analysis, connectedTo, Cleaning and Processing>
diff --git a/test/graphviz/graph_medium/graphviz_132.txt b/test/graphviz/graph_medium/graphviz_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04b364cf5aa100b0d61d156bd62767649ac47c7a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_132.txt
@@ -0,0 +1,19 @@
+<Chemical Recycling, connectedTo, Commercial Recycling Solutions>
+<Commercial Recycling Solutions, connectedTo, Circular Economy Implementation>
+<Commercial Recycling Solutions, connectedTo, Contamination Reduction>
+<Commercial Recycling Solutions, connectedTo, Recycling Infrastructure Development>
+<Construction Waste Recycling, connectedTo, Recycling Facility Optimization>
+<Contamination Reduction, connectedTo, Life Cycle Assessment>
+<Deposit_Return Schemes, connectedTo, Construction Waste Recycling>
+<End_of_Life Product Management, connectedTo, Construction Waste Recycling>
+<End_of_Life Product Management, connectedTo, Paper Recycling>
+<Life Cycle Assessment, connectedTo, New Product Manufacturing>
+<Life Cycle Assessment, innovates, Circular Economy Implementation>
+<Material Collection, connectedTo, Chemical Recycling>
+<Material Collection, partOf, Material Collection>
+<New Product Manufacturing, connectedTo, Material Collection>
+<New Product Manufacturing, partOf, New Product Manufacturing>
+<Paper Recycling, cleans, Chemical Recycling>
+<Recycling Facility Optimization, subsidizes, Contamination Reduction>
+<Recycling Infrastructure Development, assesses, Deposit_Return Schemes>
+<Recycling Infrastructure Development, connectedTo, Construction Waste Recycling>
diff --git a/test/graphviz/graph_medium/graphviz_133.dot b/test/graphviz/graph_medium/graphviz_133.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6cfb4f7fc165ec6784903f67aa8cb19ec3586f38
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_133.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=LR
+	N0 [label="Forestry Policy Development" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N1 [label="Agroforestry Systems" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N2 [label="Drone Surveying for Forests" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+	N3 [label="Wildlife Habitat Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N4 [label="Soil Conservation" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N5 [label="Timber Harvesting" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N6 [label="Pest and Disease Control" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N7 [label=Reforestation color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N8 [label="Recreation Management" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N9 [label="Biomass Production from Forests" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N10 [label="Logging Operations" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N11 [label="Forest Certification" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	S0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Ecological Restoration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Public Access Management" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+		nest0_1 [label="Indigenous Forestry Practices" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=conserves color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=treats color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N3 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label=transports color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [label=assesses color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_133.txt b/test/graphviz/graph_medium/graphviz_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..99fc775cbfbf267478dba7b56b6d082ef911ca06
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_133.txt
@@ -0,0 +1,23 @@
+<Agroforestry Systems, connectedTo, Recreation Management>
+<Agroforestry Systems, connectedTo, Timber Harvesting>
+<Agroforestry Systems, connectedTo, Wildlife Habitat Management>
+<Agroforestry Systems, conserves, Drone Surveying for Forests>
+<Agroforestry Systems, transports, Timber Harvesting>
+<Biomass Production from Forests, connectedTo, Logging Operations>
+<Drone Surveying for Forests, assesses, Timber Harvesting>
+<Drone Surveying for Forests, connectedTo, Timber Harvesting>
+<Drone Surveying for Forests, connectedTo, Wildlife Habitat Management>
+<Forestry Policy Development, connectedTo, Agroforestry Systems>
+<Indigenous Forestry Practices, connectedTo, Wildlife Habitat Management>
+<Indigenous Forestry Practices, partOf, Indigenous Forestry Practices>
+<Logging Operations, connectedTo, Forest Certification>
+<Pest and Disease Control, connectedTo, Public Access Management>
+<Pest and Disease Control, connectedTo, Reforestation>
+<Public Access Management, connectedTo, Indigenous Forestry Practices>
+<Public Access Management, partOf, Public Access Management>
+<Recreation Management, connectedTo, Biomass Production from Forests>
+<Reforestation, connectedTo, Recreation Management>
+<Soil Conservation, connectedTo, Timber Harvesting>
+<Timber Harvesting, treats, Pest and Disease Control>
+<Wildlife Habitat Management, connectedTo, Soil Conservation>
+<Wildlife Habitat Management, connectedTo, Timber Harvesting>
diff --git a/test/graphviz/graph_medium/graphviz_135.dot b/test/graphviz/graph_medium/graphviz_135.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1ec136c0bf18b9bae6193bd9e6986019d08a2e6e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_135.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Forest Carbon Accounting" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N1 [label="Agroforestry Systems" color="#A2D0FF" fillcolor="#E8F0FF" shape=Mdiamond style=filled]
+	N2 [label="GIS Mapping for Forestry" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N3 [label=Afforestation color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N4 [label="Forest Certification" color="#C0CA33" fillcolor="#F9FBE7" shape=octagon style=filled]
+	N5 [label="Wildlife Habitat Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N6 [label="Indigenous Forestry Practices" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N7 [label="Ecological Restoration" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N8 [label="Forest Health Monitoring" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+	N9 [label="Watershed Protection" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N10 [label=Reforestation color="#A2D0FF" fillcolor="#E8F0FF" shape=oval style=filled]
+	N11 [label="Forest Research" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N12 [label="Forest Road Construction" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	S0 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Wood Product Manufacturing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Forest Fire Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=oval style=filled]
+		nest0_1 [label="Timber Harvesting" color="#C0CA33" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+		nest0_2 [label="Biodiversity Conservation in Forests" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=audits color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=cultivates color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=maintains color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=researches color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=treats color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N10 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=assesses color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_135.txt b/test/graphviz/graph_medium/graphviz_135.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d458a4307c92f2e8da24b0a17c3587c0a0bc7200
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_135.txt
@@ -0,0 +1,23 @@
+<Afforestation, connectedTo, Forest Certification>
+<Agroforestry Systems, assesses, Ecological Restoration>
+<Agroforestry Systems, connectedTo, Forest Certification>
+<Agroforestry Systems, connectedTo, GIS Mapping for Forestry>
+<Agroforestry Systems, connectedTo, Indigenous Forestry Practices>
+<Biodiversity Conservation in Forests, connectedTo, Reforestation>
+<Biodiversity Conservation in Forests, partOf, Biodiversity Conservation in Forests>
+<Ecological Restoration, maintains, Forest Health Monitoring>
+<Forest Carbon Accounting, connectedTo, Agroforestry Systems>
+<Forest Certification, connectedTo, Wildlife Habitat Management>
+<Forest Fire Management, audits, Timber Harvesting>
+<Forest Fire Management, partOf, Forest Fire Management>
+<Forest Health Monitoring, researches, Watershed Protection>
+<Forest Research, treats, Forest Road Construction>
+<GIS Mapping for Forestry, connectedTo, Ecological Restoration>
+<GIS Mapping for Forestry, cultivates, Afforestation>
+<Indigenous Forestry Practices, connectedTo, Ecological Restoration>
+<Reforestation, connectedTo, Forest Fire Management>
+<Reforestation, connectedTo, Forest Research>
+<Timber Harvesting, connectedTo, Biodiversity Conservation in Forests>
+<Timber Harvesting, partOf, Timber Harvesting>
+<Watershed Protection, connectedTo, Reforestation>
+<Wildlife Habitat Management, connectedTo, Indigenous Forestry Practices>
diff --git a/test/graphviz/graph_medium/graphviz_136.txt b/test/graphviz/graph_medium/graphviz_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44177f8ef2f4fcd5509f9dbaf903dff3624ef412
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_136.txt
@@ -0,0 +1,20 @@
+<Animal Sheltering Consultation, connectedTo, Imaging Services>
+<Animal Sheltering Consultation, connectedTo, Pain Management>
+<Animal Sheltering Consultation, medicates, Microchipping>
+<Herd Health Programs, connectedTo, Pre_surgical Assessment>
+<Herd Health Programs, partOf, Herd Health Programs>
+<Imaging Services, connectedTo, Laboratory Testing>
+<Imaging Services, connectedTo, Microchipping>
+<Imaging Services, connectedTo, Pain Management>
+<Imaging Services, connectedTo, Reproductive Services>
+<Imaging Services, vaccinates, Pain Management>
+<Laboratory Testing, connectedTo, Pain Management>
+<Laboratory Testing, monitors, Reproductive Services>
+<Laboratory Testing, regulates, Microchipping>
+<Microchipping, examines, Pain Management>
+<Pain Management, connectedTo, Public Health Vet Services>
+<Pain Management, connectedTo, Reproductive Services>
+<Pre_surgical Assessment, connectedTo, Laboratory Testing>
+<Pre_surgical Assessment, partOf, Pre_surgical Assessment>
+<Public Health Vet Services, connectedTo, Herd Health Programs>
+<Public Health Vet Services, partOf, Public Health Vet Services>
diff --git a/test/graphviz/graph_medium/graphviz_137.dot b/test/graphviz/graph_medium/graphviz_137.dot
new file mode 100644
index 0000000000000000000000000000000000000000..72f1cd083511068b88e624d15d1019760895f196
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_137.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label="Euthanasia Services" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="Wildlife Rehabilitation" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N2 [label=Microchipping color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+	N3 [label="Pre_surgical Assessment" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N4 [label=Vaccination color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N5 [label="Imaging Services" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N6 [label="Post_operative Care" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N7 [label="Veterinary Technology Training" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N8 [label=Surgery color="#FFF8A6" fillcolor="#FFFDE0" shape=plaintext style=filled]
+	N9 [label="Farm Animal Health Management" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N10 [label="Medical Record Keeping" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+	N11 [label="Pet Check_up" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N12 [label="Parasite Control" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	M0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Behavioral Counseling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Dental Care" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+		nest0_1 [label="Nutritional Counseling" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=prescribes color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=complies color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=records color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=medicates color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N10 [label=stitches color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=consults color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=admits color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_137.txt b/test/graphviz/graph_medium/graphviz_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d273c0f9d939321b99679532eda7d8621f7319f7
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_137.txt
@@ -0,0 +1,21 @@
+<Dental Care, partOf, Dental Care>
+<Dental Care, prescribes, Nutritional Counseling>
+<Euthanasia Services, connectedTo, Wildlife Rehabilitation>
+<Euthanasia Services, consults, Imaging Services>
+<Farm Animal Health Management, connectedTo, Medical Record Keeping>
+<Imaging Services, complies, Post_operative Care>
+<Medical Record Keeping, connectedTo, Pet Check_up>
+<Microchipping, admits, Imaging Services>
+<Microchipping, connectedTo, Pre_surgical Assessment>
+<Nutritional Counseling, connectedTo, Wildlife Rehabilitation>
+<Nutritional Counseling, partOf, Nutritional Counseling>
+<Nutritional Counseling, stitches, Medical Record Keeping>
+<Pet Check_up, connectedTo, Parasite Control>
+<Post_operative Care, connectedTo, Dental Care>
+<Post_operative Care, records, Veterinary Technology Training>
+<Pre_surgical Assessment, connectedTo, Imaging Services>
+<Pre_surgical Assessment, connectedTo, Vaccination>
+<Surgery, medicates, Farm Animal Health Management>
+<Vaccination, connectedTo, Imaging Services>
+<Veterinary Technology Training, connectedTo, Surgery>
+<Wildlife Rehabilitation, connectedTo, Microchipping>
diff --git a/test/graphviz/graph_medium/graphviz_138.dot b/test/graphviz/graph_medium/graphviz_138.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a2af9d266e77f00c2ab49ccb791daf0b4ce2068d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_138.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TD
+	N0 [label="Sterilization Protocols" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N1 [label="Parasite Control" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N2 [label="Pharmacy Management" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N3 [label="Toxicology Testing" color="#FFE69C" fillcolor="#FFF9D4" shape=plaintext style=filled]
+	N4 [label="Dental Care" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N5 [label="Veterinary Pathology" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N6 [label="Pre_surgical Assessment" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N7 [label="Anesthesia Administration" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N8 [label="Pain Management" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N9 [label="Public Health Vet Services" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N10 [label="Animal Welfare Assessment" color="#FFE69C" fillcolor="#FFF9D4" shape=diamond style=filled]
+	N11 [label="Nutritional Counseling" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Animal Sheltering Consultation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Vaccination color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest0_1 [label="Wildlife Rehabilitation" color="#FFE69C" fillcolor="#FFF9D4" shape=Mdiamond style=filled]
+		nest0_2 [label=Microchipping color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=consults color="#A188D0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=certifies color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N8 [label=euthanizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [label=sedates color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N3 [label=cleans color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N0 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N0 [label=diagnoses color="#26A69A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_138.txt b/test/graphviz/graph_medium/graphviz_138.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1726852c6b64edecd742657e0b76b1fdff6a60c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_138.txt
@@ -0,0 +1,23 @@
+<Anesthesia Administration, connectedTo, Pain Management>
+<Anesthesia Administration, connectedTo, Vaccination>
+<Animal Welfare Assessment, connectedTo, Nutritional Counseling>
+<Dental Care, connectedTo, Veterinary Pathology>
+<Microchipping, euthanizes, Pain Management>
+<Microchipping, partOf, Microchipping>
+<Pain Management, connectedTo, Public Health Vet Services>
+<Parasite Control, cleans, Toxicology Testing>
+<Parasite Control, connectedTo, Pharmacy Management>
+<Pharmacy Management, certifies, Toxicology Testing>
+<Pharmacy Management, connectedTo, Dental Care>
+<Pharmacy Management, connectedTo, Sterilization Protocols>
+<Pre_surgical Assessment, connectedTo, Anesthesia Administration>
+<Public Health Vet Services, connectedTo, Animal Welfare Assessment>
+<Public Health Vet Services, diagnoses, Sterilization Protocols>
+<Sterilization Protocols, connectedTo, Parasite Control>
+<Sterilization Protocols, sedates, Dental Care>
+<Toxicology Testing, connectedTo, Dental Care>
+<Vaccination, consults, Wildlife Rehabilitation>
+<Vaccination, partOf, Vaccination>
+<Veterinary Pathology, connectedTo, Pre_surgical Assessment>
+<Wildlife Rehabilitation, connectedTo, Microchipping>
+<Wildlife Rehabilitation, partOf, Wildlife Rehabilitation>
diff --git a/test/graphviz/graph_medium/graphviz_139.txt b/test/graphviz/graph_medium/graphviz_139.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20ba90ed71d6a0615ed0e96d4298a5d63009052c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_139.txt
@@ -0,0 +1,21 @@
+<Behavior Management, connectedTo, Childcare Facility Licensing>
+<Behavior Management, partOf, Behavior Management>
+<Child Protection Policies, responds, Field Trip Organization>
+<Child Psychology Application, connectedTo, Behavior Management>
+<Child Psychology Application, connectedTo, Child Protection Policies>
+<Child Psychology Application, connectedTo, Creative Arts Activities>
+<Child Psychology Application, connectedTo, First Aid Administration>
+<Childcare Facility Licensing, enrolls, Child Protection Policies>
+<Childcare Facility Licensing, partOf, Childcare Facility Licensing>
+<Creative Arts Activities, connectedTo, Staff Training and Certification>
+<Early Literacy Programs, connectedTo, Child Protection Policies>
+<Field Trip Organization, monitors, Group Activities Coordination>
+<First Aid Administration, connectedTo, Child Protection Policies>
+<First Aid Administration, connectedTo, Field Trip Organization>
+<First Aid Administration, connectedTo, Individualized Attention>
+<First Aid Administration, connectedTo, Special Needs Accommodation>
+<Group Activities Coordination, accommodates, Learning Material Selection>
+<Individualized Attention, connectedTo, Creative Arts Activities>
+<Learning Material Selection, administers, Individualized Attention>
+<Special Needs Accommodation, connectedTo, Early Literacy Programs>
+<Story Time Reading, connectedTo, Child Psychology Application>
diff --git a/test/graphviz/graph_medium/graphviz_14.txt b/test/graphviz/graph_medium/graphviz_14.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dbf6e1d436e1e24e4a15c8120044c26bb8bff339
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_14.txt
@@ -0,0 +1,19 @@
+<Cart Abandonment, connectedTo, Invoice Generation>
+<Cross_selling Recommendation, connectedTo, Customer Review>
+<Cross_selling Recommendation, connectedTo, Invoice Generation>
+<Customer Review, connectedTo, Cart Abandonment>
+<Customer Review, connectedTo, Invoice Generation>
+<Data Analytics Reporting, connectedTo, Product Recommendation>
+<Data Analytics Reporting, connectedTo, Return Merchandise Authorization>
+<Gift Card Purchase, connectedTo, Cart Abandonment>
+<Gift Card Purchase, delivers, Data Analytics Reporting>
+<Gift Card Purchase, fulfills, Customer Review>
+<Gift Card Purchase, recommends, Invoice Generation>
+<Mobile App Interaction, connectedTo, Refund Process>
+<Mobile App Interaction, partOf, Mobile App Interaction>
+<Product Recommendation, connectedTo, Mobile App Interaction>
+<Product Recommendation, partOf, Product Recommendation>
+<Refund Process, connectedTo, Invoice Generation>
+<Refund Process, partOf, Refund Process>
+<Return Merchandise Authorization, connectedTo, Cross_selling Recommendation>
+<Return Merchandise Authorization, updates, Invoice Generation>
diff --git a/test/graphviz/graph_medium/graphviz_140.txt b/test/graphviz/graph_medium/graphviz_140.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c4c31e14b33c023934d1dd0cfe498e045361bab2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_140.txt
@@ -0,0 +1,17 @@
+<After_School Programs, connectedTo, Social Skill Development>
+<After_School Programs, partOf, After_School Programs>
+<Child Psychology Application, connectedTo, Early Literacy Programs>
+<First Aid Administration, manages, Music and Movement Activities>
+<First Aid Administration, partOf, First Aid Administration>
+<Group Activities Coordination, connectedTo, Toddler Activities>
+<Music and Movement Activities, connectedTo, After_School Programs>
+<Music and Movement Activities, connectedTo, Child Psychology Application>
+<Social Skill Development, connectedTo, Staff Training and Certification>
+<Social Skill Development, partOf, Social Skill Development>
+<Special Needs Accommodation, complies, Group Activities Coordination>
+<Special Needs Accommodation, connectedTo, Child Psychology Application>
+<Special Needs Accommodation, connectedTo, Toddler Activities>
+<Staff Training and Certification, connectedTo, First Aid Administration>
+<Staff Training and Certification, partOf, Staff Training and Certification>
+<Toddler Activities, connectedTo, Child Psychology Application>
+<Toddler Activities, connectedTo, Music and Movement Activities>
diff --git a/test/graphviz/graph_medium/graphviz_141.dot b/test/graphviz/graph_medium/graphviz_141.dot
new file mode 100644
index 0000000000000000000000000000000000000000..adcca41488b7fa10ac0277a413cb0d6313db1a56
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_141.dot
@@ -0,0 +1,33 @@
+digraph {
+	rankdir=RL
+	N0 [label="Outdoor Exploration" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Sensory Play" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N2 [label="Nutritional Meal Preparation" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N3 [label="Diaper Changing" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N4 [label="Staff Training and Certification" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N5 [label="Group Activities Coordination" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N6 [label="Story Time Reading" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N7 [label="Emergency Evacuation Drills" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	M1 [label="" color="#4FC3F7" fillcolor="#E1F5FE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Child Protection Policies" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Outdoor Play Supervision" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+		nest0_1 [label="Special Needs Accommodation" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=assesses color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="cares for" color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=guides color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=educates color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N1 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N0 -> N4 [label=reports color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_143.dot b/test/graphviz/graph_medium/graphviz_143.dot
new file mode 100644
index 0000000000000000000000000000000000000000..388d081de0d4e51bb03b926dd0320dbcf753c4cb
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_143.dot
@@ -0,0 +1,55 @@
+digraph {
+	rankdir=LR
+	N0 [label="Chronic Disease Management" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N1 [label="Hospice Care Coordination" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N2 [label="Meal Preparation" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N3 [label="Care Plan Development" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N4 [label="Family Communication" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N5 [label="Incontinence Care" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N6 [label="Cognitive Stimulation Activities" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N7 [label="Respite Care" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N8 [label="Pain Management" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N9 [label="Community Resource Connection" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N10 [label="Rehabilitation Support" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N11 [label="Medication Management" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N12 [label="Fall Prevention" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Emergency Response System Monitoring" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Elder Abuse Prevention" color="#F06292" fillcolor="#FCE4EC" shape=octagon style=filled]
+		nest0_1 [label="Telehealth for Seniors" color="#FFC2C2" fillcolor="#FFEBEB" shape=oval style=filled]
+		nest0_2 [label=Companionship color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=trains color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=educates color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=therapies color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=assesses color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=prevents color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [label=assists color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=administers color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [label=supports color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	M1 -> N11 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_143.txt b/test/graphviz/graph_medium/graphviz_143.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2eb0b384d7daf19809d42bfc3c11c09f7765c513
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_143.txt
@@ -0,0 +1,26 @@
+<Care Plan Development, assists, Elder Abuse Prevention>
+<Care Plan Development, connectedTo, Family Communication>
+<Chronic Disease Management, connectedTo, Hospice Care Coordination>
+<Cognitive Stimulation Activities, supports, Medication Management>
+<Cognitive Stimulation Activities, therapies, Respite Care>
+<Community Resource Connection, connectedTo, Rehabilitation Support>
+<Companionship, connectedTo, Family Communication>
+<Companionship, partOf, Companionship>
+<Elder Abuse Prevention, connectedTo, Telehealth for Seniors>
+<Elder Abuse Prevention, partOf, Elder Abuse Prevention>
+<Family Communication, connectedTo, Incontinence Care>
+<Family Communication, connectedTo, Medication Management>
+<Family Communication, connectedTo, Respite Care>
+<Hospice Care Coordination, administers, Incontinence Care>
+<Hospice Care Coordination, connectedTo, Fall Prevention>
+<Hospice Care Coordination, connectedTo, Family Communication>
+<Hospice Care Coordination, trains, Meal Preparation>
+<Incontinence Care, connectedTo, Cognitive Stimulation Activities>
+<Meal Preparation, connectedTo, Family Communication>
+<Meal Preparation, educates, Care Plan Development>
+<Medication Management, prevents, Fall Prevention>
+<Pain Management, assesses, Community Resource Connection>
+<Rehabilitation Support, connectedTo, Medication Management>
+<Respite Care, connectedTo, Pain Management>
+<Telehealth for Seniors, connectedTo, Companionship>
+<Telehealth for Seniors, partOf, Telehealth for Seniors>
diff --git a/test/graphviz/graph_medium/graphviz_144.dot b/test/graphviz/graph_medium/graphviz_144.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7f296796f90a8b63e1716dcd2756af9a9edb7f71
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_144.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=TD
+	N0 [label="Medication Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N1 [label="Nursing Care" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N2 [label="Social Engagement Activities" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N3 [label="Rehabilitation Support" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N4 [label="Pain Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N5 [label="Nutritional Assessment" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N6 [label="Caregiver Training" color="#2196F3" fillcolor="#BBDEFB" shape=oval style=filled]
+	N7 [label="Incontinence Care" color="#BDAFA8" fillcolor="#E4E0DF" shape=oval style=filled]
+	N8 [label="Respite Care" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N9 [label="Emotional Support and Counseling" color="#FFF8A6" fillcolor="#FFFDE0" shape=octagon style=filled]
+	N10 [label="Financial Management Assistance" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N11 [label="Community Resource Connection" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N12 [label="Safety Assessments" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N13 [label="Memory Care" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N14 [label=Companionship color="#BDAFA8" fillcolor="#E4E0DF" shape=oval style=filled]
+	N15 [label="Meal Preparation" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Physical Therapy" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Daily Living Assistance" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+		nest0_1 [label="Occupational Therapy" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=comforts color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=therapies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=monitors color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [label=secures color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N12 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [label=facilitates color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N1 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N12 -> N0 [label=accompanies color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_145.dot b/test/graphviz/graph_medium/graphviz_145.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b4cdf58a8f7525d88ab627cdd7623acb3bd9b1e4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_145.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=RL
+	N0 [label="Shelter Management" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Post_Disaster Evaluation" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N2 [label="Medical Aid Deployment" color="#4285F4" fillcolor="#D0E0F8" shape=Mdiamond style=filled]
+	N3 [label="Emergency Planning" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N4 [label="Early Recovery Actions" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N5 [label="Recovery Planning" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N6 [label="Resource Mobilization" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N7 [label="Risk Assessment" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N8 [label="Policy and Legislation Review" color="#E0E0E0" fillcolor="#EBEBEB" shape=octagon style=filled]
+	N9 [label="Public Awareness Campaigns" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	S0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Community Preparedness" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Logistics and Supply Chain" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+		nest0_1 [label="Debris Management" color="#94C0C0" fillcolor="#CADEDE" shape=folder style=filled]
+		nest0_2 [label=Reconstruction color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=simulates color="#4285F4" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=coordinates color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_145.txt b/test/graphviz/graph_medium/graphviz_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5262a82af4b8ab7a55bc14fc9d4005ab1338b0fe
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_145.txt
@@ -0,0 +1,20 @@
+<Debris Management, connectedTo, Reconstruction>
+<Debris Management, partOf, Debris Management>
+<Early Recovery Actions, connectedTo, Recovery Planning>
+<Emergency Planning, coordinates, Early Recovery Actions>
+<Logistics and Supply Chain, partOf, Logistics and Supply Chain>
+<Logistics and Supply Chain, simulates, Debris Management>
+<Medical Aid Deployment, connectedTo, Emergency Planning>
+<Policy and Legislation Review, connectedTo, Public Awareness Campaigns>
+<Post_Disaster Evaluation, connectedTo, Medical Aid Deployment>
+<Reconstruction, connectedTo, Recovery Planning>
+<Reconstruction, partOf, Reconstruction>
+<Recovery Planning, connectedTo, Policy and Legislation Review>
+<Recovery Planning, connectedTo, Public Awareness Campaigns>
+<Recovery Planning, connectedTo, Resource Mobilization>
+<Resource Mobilization, connectedTo, Logistics and Supply Chain>
+<Resource Mobilization, connectedTo, Policy and Legislation Review>
+<Resource Mobilization, connectedTo, Public Awareness Campaigns>
+<Resource Mobilization, connectedTo, Risk Assessment>
+<Risk Assessment, connectedTo, Policy and Legislation Review>
+<Shelter Management, connectedTo, Post_Disaster Evaluation>
diff --git a/test/graphviz/graph_medium/graphviz_146.dot b/test/graphviz/graph_medium/graphviz_146.dot
new file mode 100644
index 0000000000000000000000000000000000000000..258b908428b764b6eed6690fbd1bc2414b83a42d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_146.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=TD
+	N0 [label="Medical Aid Deployment" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Resilience Building" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N2 [label="Hazard Mapping" color="#FF5722" fillcolor="#FFCCBC" shape=folder style=filled]
+	N3 [label="Hazard Identification" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N4 [label="Recovery Planning" color="#3F51B5" fillcolor="#C5CAE9" shape=oval style=filled]
+	N5 [label="Emergency Drills and Exercises" color="#3F51B5" fillcolor="#C5CAE9" shape=oval style=filled]
+	N6 [label="Public Awareness Campaigns" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N7 [label="Incident Command System" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N8 [label="Capacity Building for Local Communities" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N9 [label="Early Recovery Actions" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N10 [label="Environmental Remediation" color="#FF5722" fillcolor="#FFCCBC" shape=octagon style=filled]
+	N11 [label="Climate Change Adaptation for Disasters" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N12 [label="Geographic Information Systems for Disasters" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N13 [label="Mitigation Strategies" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N14 [label="Cash Transfer Programs" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	S0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Resource Mobilization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Infrastructure Repair" color="#FF5722" fillcolor="#FFCCBC" shape=Mdiamond style=filled]
+		nest0_1 [label="Policy and Legislation Review" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+		nest0_2 [label="Search and Rescue Operations" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=provides color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=plans color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=reconstructs color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=treats color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=rescues color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=shelters color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [label=reports color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_146.txt b/test/graphviz/graph_medium/graphviz_146.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b1acb543ad9f9527c8715007eca853b514f29ac
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_146.txt
@@ -0,0 +1,25 @@
+<Capacity Building for Local Communities, rescues, Early Recovery Actions>
+<Climate Change Adaptation for Disasters, connectedTo, Geographic Information Systems for Disasters>
+<Early Recovery Actions, connectedTo, Environmental Remediation>
+<Emergency Drills and Exercises, treats, Public Awareness Campaigns>
+<Environmental Remediation, shelters, Climate Change Adaptation for Disasters>
+<Geographic Information Systems for Disasters, connectedTo, Mitigation Strategies>
+<Hazard Identification, connectedTo, Infrastructure Repair>
+<Hazard Identification, connectedTo, Recovery Planning>
+<Hazard Mapping, connectedTo, Hazard Identification>
+<Incident Command System, connectedTo, Capacity Building for Local Communities>
+<Infrastructure Repair, connectedTo, Policy and Legislation Review>
+<Infrastructure Repair, partOf, Infrastructure Repair>
+<Medical Aid Deployment, connectedTo, Climate Change Adaptation for Disasters>
+<Medical Aid Deployment, provides, Resilience Building>
+<Mitigation Strategies, reports, Cash Transfer Programs>
+<Policy and Legislation Review, connectedTo, Search and Rescue Operations>
+<Policy and Legislation Review, partOf, Policy and Legislation Review>
+<Public Awareness Campaigns, connectedTo, Climate Change Adaptation for Disasters>
+<Public Awareness Campaigns, connectedTo, Incident Command System>
+<Recovery Planning, reconstructs, Emergency Drills and Exercises>
+<Resilience Building, connectedTo, Hazard Identification>
+<Resilience Building, connectedTo, Mitigation Strategies>
+<Resilience Building, plans, Hazard Mapping>
+<Search and Rescue Operations, connectedTo, Hazard Identification>
+<Search and Rescue Operations, partOf, Search and Rescue Operations>
diff --git a/test/graphviz/graph_medium/graphviz_147.dot b/test/graphviz/graph_medium/graphviz_147.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1535e6d8d07b9c398404f4486c9ca43f11b5cfe6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_147.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=BT
+	N0 [label="Evacuation Procedures" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Emergency Drills and Exercises" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N2 [label="Incident Command System" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N3 [label="Psychosocial Support" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N4 [label="Shelter Management" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N5 [label="Logistics and Supply Chain" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	S0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Debris Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Economic Recovery Initiatives" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+		nest0_1 [label="Communication Protocols" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+		nest0_2 [label="Post_Disaster Evaluation" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=assesses color="#26A69A" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=reports color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=identifies color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=shelters color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [label=mobilizes color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N1 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_147.txt b/test/graphviz/graph_medium/graphviz_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d448a69e9da23863a14e72684a01004e5031036b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_147.txt
@@ -0,0 +1,16 @@
+<Communication Protocols, audits, Post_Disaster Evaluation>
+<Communication Protocols, partOf, Communication Protocols>
+<Economic Recovery Initiatives, assesses, Communication Protocols>
+<Economic Recovery Initiatives, partOf, Economic Recovery Initiatives>
+<Emergency Drills and Exercises, connectedTo, Incident Command System>
+<Emergency Drills and Exercises, connectedTo, Logistics and Supply Chain>
+<Emergency Drills and Exercises, connectedTo, Psychosocial Support>
+<Emergency Drills and Exercises, connectedTo, Shelter Management>
+<Evacuation Procedures, connectedTo, Psychosocial Support>
+<Evacuation Procedures, reports, Emergency Drills and Exercises>
+<Incident Command System, identifies, Psychosocial Support>
+<Post_Disaster Evaluation, connectedTo, Emergency Drills and Exercises>
+<Post_Disaster Evaluation, partOf, Post_Disaster Evaluation>
+<Psychosocial Support, connectedTo, Shelter Management>
+<Psychosocial Support, mobilizes, Economic Recovery Initiatives>
+<Shelter Management, shelters, Logistics and Supply Chain>
diff --git a/test/graphviz/graph_medium/graphviz_15.dot b/test/graphviz/graph_medium/graphviz_15.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2737756f5c4ae1e018242aafc393f684e1a557a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_15.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=RL
+	N0 [label="Wishlist Management" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N1 [label="Supplier Onboarding" color="#BCB88A" fillcolor="#F5F5DC" shape=oval style=filled]
+	N2 [label="Invoice Generation" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N3 [label="Data Analytics Reporting" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N4 [label="Product Listing" color="#BCB88A" fillcolor="#F5F5DC" shape=oval style=filled]
+	N5 [label="Loyalty Points" color="#BCB88A" fillcolor="#F5F5DC" shape=Mdiamond style=filled]
+	N6 [label=Checkout color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N7 [label="Package Return" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Social Media Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Promotion Application" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_1 [label="Warehouse Management" color="#A188D0" fillcolor="#DACBE3" shape=folder style=filled]
+		nest0_2 [label="Subscription Service" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+		nest0_3 [label=Payment color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=discounts color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=processes color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=fulfills color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=authenticates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=supports color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=bundles color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_15.txt b/test/graphviz/graph_medium/graphviz_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..714c1d637ade048fe520e41346542c08575c0165
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_15.txt
@@ -0,0 +1,21 @@
+<Checkout, connectedTo, Package Return>
+<Data Analytics Reporting, authenticates, Product Listing>
+<Data Analytics Reporting, connectedTo, Promotion Application>
+<Invoice Generation, bundles, Product Listing>
+<Invoice Generation, fulfills, Data Analytics Reporting>
+<Loyalty Points, connectedTo, Checkout>
+<Payment, connectedTo, Supplier Onboarding>
+<Payment, partOf, Payment>
+<Product Listing, connectedTo, Checkout>
+<Product Listing, connectedTo, Package Return>
+<Product Listing, supports, Loyalty Points>
+<Promotion Application, discounts, Warehouse Management>
+<Promotion Application, partOf, Promotion Application>
+<Subscription Service, connectedTo, Payment>
+<Subscription Service, partOf, Subscription Service>
+<Supplier Onboarding, connectedTo, Invoice Generation>
+<Supplier Onboarding, connectedTo, Product Listing>
+<Warehouse Management, connectedTo, Subscription Service>
+<Warehouse Management, partOf, Warehouse Management>
+<Wishlist Management, connectedTo, Product Listing>
+<Wishlist Management, processes, Supplier Onboarding>
diff --git a/test/graphviz/graph_medium/graphviz_150.dot b/test/graphviz/graph_medium/graphviz_150.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5e5d953d5707adb830935e68ab174de8d334c170
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_150.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=LR
+	N0 [label="Ground Operations" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N1 [label="Cyber Warfare Operations" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N2 [label="Naval Operations" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N3 [label="Supply Chain Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=oval style=filled]
+	N4 [label="Logistics Support" color="#5C6BC0" fillcolor="#E8EAF6" shape=folder style=filled]
+	N5 [label="Veteran Support" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N6 [label="Unmanned Systems Operation" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N7 [label="Air Operations" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
+	N8 [label="Electronic Warfare" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N9 [label=Demobilization color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N10 [label="Basic Training" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#FFC2C2" fillcolor="#FFEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFC2C2" fillcolor="#FFEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Medical Support" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Force Projection" color="#795548" fillcolor="#D7CCC8" shape=folder style=filled]
+		nest0_1 [label=Surveillance color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+		nest0_2 [label="Peacekeeping Missions" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=rescues color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [label=analyzes color="#795548" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=supplies color="#795548" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [label=develops color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#795548" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_150.txt b/test/graphviz/graph_medium/graphviz_150.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c22a1dfb77905f5f9a0f7ead8ca874e1ebaedbd
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_150.txt
@@ -0,0 +1,27 @@
+<Air Operations, connectedTo, Basic Training>
+<Air Operations, connectedTo, Demobilization>
+<Air Operations, connectedTo, Electronic Warfare>
+<Air Operations, develops, Basic Training>
+<Cyber Warfare Operations, connectedTo, Naval Operations>
+<Cyber Warfare Operations, connectedTo, Unmanned Systems Operation>
+<Demobilization, connectedTo, Basic Training>
+<Electronic Warfare, connectedTo, Demobilization>
+<Force Projection, connectedTo, Surveillance>
+<Force Projection, partOf, Force Projection>
+<Ground Operations, connectedTo, Cyber Warfare Operations>
+<Ground Operations, connectedTo, Unmanned Systems Operation>
+<Logistics Support, connectedTo, Basic Training>
+<Logistics Support, connectedTo, Electronic Warfare>
+<Logistics Support, connectedTo, Veteran Support>
+<Logistics Support, supplies, Air Operations>
+<Naval Operations, connectedTo, Supply Chain Management>
+<Peacekeeping Missions, connectedTo, Electronic Warfare>
+<Peacekeeping Missions, partOf, Peacekeeping Missions>
+<Supply Chain Management, connectedTo, Logistics Support>
+<Supply Chain Management, connectedTo, Unmanned Systems Operation>
+<Surveillance, connectedTo, Peacekeeping Missions>
+<Surveillance, partOf, Surveillance>
+<Unmanned Systems Operation, connectedTo, Air Operations>
+<Unmanned Systems Operation, connectedTo, Basic Training>
+<Veteran Support, analyzes, Force Projection>
+<Veteran Support, rescues, Unmanned Systems Operation>
diff --git a/test/graphviz/graph_medium/graphviz_151.txt b/test/graphviz/graph_medium/graphviz_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..789e76718cc153f18727c6633f274af2e9e25b5c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_151.txt
@@ -0,0 +1,23 @@
+<Aerospace Engineering, fuels, Aviation Safety Investigation>
+<Air Cargo Logistics, connectedTo, Aviation Safety Investigation>
+<Air Cargo Logistics, connectedTo, Baggage Handling>
+<Air Cargo Logistics, de_ices, Noise Abatement Procedures>
+<Air Traffic Control, connectedTo, Air Cargo Logistics>
+<Aircraft De_icing, connectedTo, Gate Assignment>
+<Airport Security Management, connectedTo, Aerospace Engineering>
+<Airspace Management, designs, Weather Briefing>
+<Airspace Management, partOf, Airspace Management>
+<Aviation Safety Investigation, connectedTo, Aircraft De_icing>
+<Aviation Safety Investigation, connectedTo, Avionics Repair>
+<Avionics Repair, partOf, Avionics Repair>
+<Avionics Repair, reports, Airspace Management>
+<Baggage Handling, repairs, Runway Management>
+<Crew Resource Management, connectedTo, Air Traffic Control>
+<Crew Resource Management, connectedTo, Weather Briefing>
+<Crew Scheduling, connectedTo, Air Traffic Control>
+<Crew Scheduling, connectedTo, Crew Resource Management>
+<Noise Abatement Procedures, connectedTo, Aviation Safety Investigation>
+<Noise Abatement Procedures, connectedTo, Baggage Handling>
+<Noise Abatement Procedures, investigates, Aircraft De_icing>
+<Runway Management, connectedTo, Airport Security Management>
+<Weather Briefing, briefs, Air Traffic Control>
diff --git a/test/graphviz/graph_medium/graphviz_152.txt b/test/graphviz/graph_medium/graphviz_152.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d324a55aff5335cc6f17d0aa10536e244eacef43
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_152.txt
@@ -0,0 +1,18 @@
+<Aircraft De_icing, connectedTo, In_flight Service>
+<Airport Security Management, connectedTo, Crew Scheduling>
+<Airport Security Management, partOf, Airport Security Management>
+<Aviation Safety Investigation, connectedTo, Runway Management>
+<Aviation Safety Investigation, partOf, Aviation Safety Investigation>
+<Crew Scheduling, boards, Aviation Safety Investigation>
+<Crew Scheduling, designs, Airport Security Management>
+<Crew Scheduling, partOf, Crew Scheduling>
+<Flight Simulation, connectedTo, Airport Security Management>
+<Flight Simulation, partOf, Flight Simulation>
+<Gate Assignment, connectedTo, Ground Support>
+<In_flight Service, briefs, Gate Assignment>
+<In_flight Service, connectedTo, Flight Simulation>
+<Passenger Boarding, assembles, Runway Management>
+<Passenger Boarding, connectedTo, Aircraft De_icing>
+<Passenger Boarding, connectedTo, In_flight Service>
+<Runway Management, connectedTo, Aircraft De_icing>
+<Runway Management, connectedTo, Flight Simulation>
diff --git a/test/graphviz/graph_medium/graphviz_153.dot b/test/graphviz/graph_medium/graphviz_153.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bccc1243a7ef71673d1578fefe11097c29284896
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_153.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Fleet Management" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label="Aircraft De_icing" color="#61CAC3" fillcolor="#C2E8E6" shape=folder style=filled]
+	N2 [label="In_flight Service" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N3 [label="Crew Scheduling" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N4 [label="Pilot Training" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N5 [label="Passenger Check_in" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N6 [label="Air Traffic Control" color="#4FC3F7" fillcolor="#E1F5FE" shape=diamond style=filled]
+	N7 [label="Noise Abatement Procedures" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4FC3F7" fillcolor="#E1F5FE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Next_Generation Air Traffic Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Aircraft Maintenance" color="#4FC3F7" fillcolor="#E1F5FE" shape=oval style=filled]
+		nest0_1 [label="Baggage Handling" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=audits color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [label=schedules color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=designs color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=regulates color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=repairs color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_154.dot b/test/graphviz/graph_medium/graphviz_154.dot
new file mode 100644
index 0000000000000000000000000000000000000000..aadc7c662a82a36656d4414b098d95d9a2799030
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_154.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=BT
+	N0 [label="Offline Map Support" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Indoor Navigation" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N2 [label="Cycle Route Planning" color="#7986CB" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N3 [label="Route Calculation" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N4 [label="Turn_by_Turn Directions" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N5 [label="Hazard Alerts" color="#7986CB" fillcolor="#E8EAF6" shape=Mdiamond style=filled]
+	N6 [label="Inertial Navigation System" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N7 [label="Historical Traffic Data Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N8 [label="Satellite Navigation Systems" color="#F7BEE0" fillcolor="#FAEBF3" shape=plaintext style=filled]
+	N9 [label="Speed Calculation" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	M0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Public Transit Navigation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Aeronautical Charting" color="#7986CB" fillcolor="#E8EAF6" shape=Mdiamond style=filled]
+		nest0_1 [label="Autonomous Vehicle Navigation" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest0_2 [label="Terrestrial Navigation" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_3 [label="Location_Based Services" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=verifies color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=displays color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=guides color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label=locates color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label=validates color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N8 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_154.txt b/test/graphviz/graph_medium/graphviz_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2006db65f78b90a1820b5bf8f270cdbd6bb5cc6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_154.txt
@@ -0,0 +1,21 @@
+<Aeronautical Charting, connectedTo, Autonomous Vehicle Navigation>
+<Aeronautical Charting, partOf, Aeronautical Charting>
+<Autonomous Vehicle Navigation, connectedTo, Satellite Navigation Systems>
+<Autonomous Vehicle Navigation, partOf, Autonomous Vehicle Navigation>
+<Autonomous Vehicle Navigation, verifies, Terrestrial Navigation>
+<Cycle Route Planning, connectedTo, Route Calculation>
+<Hazard Alerts, connectedTo, Inertial Navigation System>
+<Historical Traffic Data Analysis, connectedTo, Satellite Navigation Systems>
+<Indoor Navigation, connectedTo, Cycle Route Planning>
+<Indoor Navigation, connectedTo, Inertial Navigation System>
+<Indoor Navigation, locates, Aeronautical Charting>
+<Inertial Navigation System, displays, Historical Traffic Data Analysis>
+<Location_Based Services, connectedTo, Route Calculation>
+<Location_Based Services, partOf, Location_Based Services>
+<Offline Map Support, connectedTo, Indoor Navigation>
+<Route Calculation, connectedTo, Turn_by_Turn Directions>
+<Satellite Navigation Systems, guides, Speed Calculation>
+<Terrestrial Navigation, connectedTo, Location_Based Services>
+<Terrestrial Navigation, partOf, Terrestrial Navigation>
+<Turn_by_Turn Directions, connectedTo, Hazard Alerts>
+<Turn_by_Turn Directions, validates, Inertial Navigation System>
diff --git a/test/graphviz/graph_medium/graphviz_155.dot b/test/graphviz/graph_medium/graphviz_155.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0f89d1ad05a649f646cbfe22c25638e3b9696567
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_155.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="Satellite Navigation Systems" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label=Geocoding color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N2 [label="Digital Compass Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N3 [label="Wearable Device Navigation" color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+	N4 [label="Route Calculation" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N5 [label="Altitude Tracking" color="#61CAC3" fillcolor="#C2E8E6" shape=plaintext style=filled]
+	N6 [label="Terrestrial Navigation" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N7 [label="Inertial Navigation System" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N8 [label="Public Transit Navigation" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Augmented Reality Navigation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Points of Interest Search" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+		nest0_1 [label="ETA Estimation" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+		nest0_2 [label="Bearing and Distance Calculation" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+		nest0_3 [label="Autonomous Vehicle Navigation" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=displays color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=communicates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [label=calibrates color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [label=identifies color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_155.txt b/test/graphviz/graph_medium/graphviz_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6435307cc9ea345f9fbdacc0ddce4b4153324862
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_155.txt
@@ -0,0 +1,21 @@
+<Altitude Tracking, calibrates, Points of Interest Search>
+<Altitude Tracking, connectedTo, Terrestrial Navigation>
+<Autonomous Vehicle Navigation, identifies, Wearable Device Navigation>
+<Autonomous Vehicle Navigation, partOf, Autonomous Vehicle Navigation>
+<Bearing and Distance Calculation, connectedTo, Autonomous Vehicle Navigation>
+<Bearing and Distance Calculation, partOf, Bearing and Distance Calculation>
+<Digital Compass Integration, connectedTo, Inertial Navigation System>
+<Digital Compass Integration, connectedTo, Wearable Device Navigation>
+<ETA Estimation, connectedTo, Bearing and Distance Calculation>
+<ETA Estimation, partOf, ETA Estimation>
+<Geocoding, connectedTo, Digital Compass Integration>
+<Inertial Navigation System, communicates, Public Transit Navigation>
+<Points of Interest Search, displays, ETA Estimation>
+<Points of Interest Search, partOf, Points of Interest Search>
+<Route Calculation, connectedTo, Altitude Tracking>
+<Route Calculation, connectedTo, Inertial Navigation System>
+<Route Calculation, connectedTo, Terrestrial Navigation>
+<Satellite Navigation Systems, connectedTo, Geocoding>
+<Satellite Navigation Systems, connectedTo, Inertial Navigation System>
+<Terrestrial Navigation, connectedTo, Inertial Navigation System>
+<Wearable Device Navigation, connectedTo, Route Calculation>
diff --git a/test/graphviz/graph_medium/graphviz_156.dot b/test/graphviz/graph_medium/graphviz_156.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d597d768c7304a23c7598ba84cee01f669e142b6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_156.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Pedestrian Navigation" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N1 [label="Speed Calculation" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N2 [label="Augmented Reality Navigation" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N3 [label="Multi_modal Navigation" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+	N4 [label="Navigation Data Update" color="#AED581" fillcolor="#F0F4C3" shape=octagon style=filled]
+	N5 [label="Reverse Geocoding" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+	N6 [label="Waypoint Setting" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N7 [label=Geocoding color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N8 [label="Offline Map Support" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+	N9 [label="Personalized Route Preferences" color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N10 [label="Altitude Tracking" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N11 [label="Satellite Navigation Systems" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N12 [label="Autonomous Vehicle Navigation" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Location_Based Services" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Voice Guidance Customization" color="#FFF176" fillcolor="#FFFDE7" shape=Mdiamond style=filled]
+		nest0_1 [label="Celestial Navigation" color="#AED581" fillcolor="#F0F4C3" shape=octagon style=filled]
+		nest0_2 [label="Traffic Information" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest0_3 [label="Bearing and Distance Calculation" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=routes color="#AED581" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+		nest0_3 -> nest0_1 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=optimizes color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=plans color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=detects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=integrates color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=predicts color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=calibrates color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=alerts color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_156.txt b/test/graphviz/graph_medium/graphviz_156.txt
new file mode 100644
index 0000000000000000000000000000000000000000..abf694b7ed88a487da94beb0da9e657e4b528287
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_156.txt
@@ -0,0 +1,25 @@
+<Altitude Tracking, integrates, Satellite Navigation Systems>
+<Augmented Reality Navigation, optimizes, Multi_modal Navigation>
+<Bearing and Distance Calculation, connectedTo, Celestial Navigation>
+<Bearing and Distance Calculation, connectedTo, Speed Calculation>
+<Bearing and Distance Calculation, partOf, Bearing and Distance Calculation>
+<Celestial Navigation, connectedTo, Traffic Information>
+<Celestial Navigation, partOf, Celestial Navigation>
+<Geocoding, connectedTo, Offline Map Support>
+<Multi_modal Navigation, plans, Navigation Data Update>
+<Navigation Data Update, alerts, Offline Map Support>
+<Navigation Data Update, calibrates, Voice Guidance Customization>
+<Navigation Data Update, connectedTo, Geocoding>
+<Navigation Data Update, connectedTo, Satellite Navigation Systems>
+<Navigation Data Update, detects, Reverse Geocoding>
+<Offline Map Support, connectedTo, Personalized Route Preferences>
+<Pedestrian Navigation, connectedTo, Speed Calculation>
+<Personalized Route Preferences, connectedTo, Altitude Tracking>
+<Reverse Geocoding, connectedTo, Waypoint Setting>
+<Satellite Navigation Systems, predicts, Autonomous Vehicle Navigation>
+<Speed Calculation, connectedTo, Augmented Reality Navigation>
+<Traffic Information, connectedTo, Bearing and Distance Calculation>
+<Traffic Information, partOf, Traffic Information>
+<Voice Guidance Customization, partOf, Voice Guidance Customization>
+<Voice Guidance Customization, routes, Celestial Navigation>
+<Waypoint Setting, connectedTo, Geocoding>
diff --git a/test/graphviz/graph_medium/graphviz_157.dot b/test/graphviz/graph_medium/graphviz_157.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b88c0ba92d795186d261508c144f22ad1bf02131
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_157.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=BT
+	N0 [label="Support Structure Design" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N1 [label="Scaffolding for Tissue Engineering" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N2 [label="Quality Control" color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+	N3 [label="Reverse Engineering with 3D Printing" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N4 [label="Sustainable 3D Printing Materials" color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+	N5 [label="Medical Device Prototyping" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N6 [label="Intellectual Property Protection for Designs" color="#E57373" fillcolor="#FFEBEE" shape=folder style=filled]
+	N7 [label="Selective Laser Sintering" color="#BDBDBD" fillcolor="#F5F5F5" shape=folder style=filled]
+	N8 [label="3D Model Design" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N9 [label="Rapid Manufacturing" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+	N10 [label="Material Selection" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	S0 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Multi_Material Printing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Material Research and Development" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+		nest0_1 [label="Mass Customization" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+		nest0_2 [label="3D Printed Tooling" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest0_3 [label="Printing Parameter Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=slices color="#E57373" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=maintains color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=creates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=automates color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=validates color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=develops color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [label=researches color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=produces color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_158.dot b/test/graphviz/graph_medium/graphviz_158.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d443b580fed44c8deab61a57537b111861ae224d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_158.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=TD
+	N0 [label="Consumer Product Creation" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N1 [label="Sustainable 3D Printing Materials" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N2 [label="Troubleshooting Print Errors" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N3 [label="Intellectual Property Protection for Designs" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N4 [label="Additive Manufacturing" color="#82DAFF" fillcolor="#C8EDFF" shape=plaintext style=filled]
+	N5 [label="3D Model Design" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N6 [label="Printing Process" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N7 [label=Prototyping color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N8 [label="3D Printed Tooling" color="#82DAFF" fillcolor="#C8EDFF" shape=Mdiamond style=filled]
+	N9 [label="Fused Deposition Modeling" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N10 [label="Quality Control" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N11 [label=Bioprinting color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N12 [label="Reverse Engineering with 3D Printing" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N13 [label="Maintenance and Repair of Printers" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	S0 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Educational Applications" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Material Selection" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+		nest0_1 [label="Construction 3D Printing" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=optimizes color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=materials color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=protects color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=troubleshoots color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=models color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N11 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=develops color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N9 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_158.txt b/test/graphviz/graph_medium/graphviz_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7adcc4966a53fb2b8d1f3506ae1f07139f53092
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_158.txt
@@ -0,0 +1,22 @@
+<3D Model Design, connectedTo, Printing Process>
+<3D Printed Tooling, protects, Fused Deposition Modeling>
+<Additive Manufacturing, connectedTo, 3D Model Design>
+<Additive Manufacturing, connectedTo, Fused Deposition Modeling>
+<Bioprinting, models, Reverse Engineering with 3D Printing>
+<Construction 3D Printing, connectedTo, Bioprinting>
+<Construction 3D Printing, partOf, Construction 3D Printing>
+<Consumer Product Creation, connectedTo, Fused Deposition Modeling>
+<Consumer Product Creation, connectedTo, Quality Control>
+<Consumer Product Creation, optimizes, Sustainable 3D Printing Materials>
+<Fused Deposition Modeling, troubleshoots, Quality Control>
+<Intellectual Property Protection for Designs, connectedTo, Additive Manufacturing>
+<Material Selection, connectedTo, Construction 3D Printing>
+<Material Selection, partOf, Material Selection>
+<Printing Process, materials, Prototyping>
+<Prototyping, connectedTo, 3D Printed Tooling>
+<Quality Control, connectedTo, Bioprinting>
+<Reverse Engineering with 3D Printing, connectedTo, Maintenance and Repair of Printers>
+<Sustainable 3D Printing Materials, connectedTo, Material Selection>
+<Sustainable 3D Printing Materials, connectedTo, Troubleshooting Print Errors>
+<Sustainable 3D Printing Materials, develops, Fused Deposition Modeling>
+<Troubleshooting Print Errors, connectedTo, Intellectual Property Protection for Designs>
diff --git a/test/graphviz/graph_medium/graphviz_159.dot b/test/graphviz/graph_medium/graphviz_159.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f8de701707ddeb2c85a080bd1065c3be020f33f0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_159.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quality Control" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="On_Demand Production" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N2 [label="Printing Process" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N3 [label="3D Printed Tooling" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N4 [label="Printing Parameter Optimization" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N5 [label="Troubleshooting Print Errors" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label="Distributed Manufacturing" color="#80DDEA" fillcolor="#D3F7F9" shape=plaintext style=filled]
+	N7 [label="Intellectual Property Protection for Designs" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+	N8 [label="Multi_Material Printing" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N9 [label="Mass Customization" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label=Post_Processing labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Prototyping color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+		nest0_1 [label="Food Printing" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+		nest0_2 [label=Bioprinting color="#FFC085" fillcolor="#FFDAB9" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=designs color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=processes color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=innovates color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=distributes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label=automates color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=designs color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [label=integrates color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_16.dot b/test/graphviz/graph_medium/graphviz_16.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1814f319632c6375488d08065e13720f7f3af890
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_16.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=TD
+	N0 [label="Road Network Management" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Location Input" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N2 [label="Cargo Loading" color="#FFF176" fillcolor="#FFFDE7" shape=Mdiamond style=filled]
+	N3 [label="Passenger Boarding Pass Issuance" color="#81C784" fillcolor="#F1F8E9" shape=folder style=filled]
+	N4 [label=Arrival color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N5 [label="Incident Report" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="Ticket Purchase" color="#FFF176" fillcolor="#FFFDE7" shape=oval style=filled]
+	N7 [label="Security Check" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	S0 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Vehicle Tracking" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Traffic Monitoring" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest0_1 [label="Accident Reconstruction" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+		nest0_2 [label="Driver Allocation" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+		nest0_3 [label="Route Diversion" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=boards color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=calculates color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=manages color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [label=permits color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label=dispatches color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=monitors color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_160.dot b/test/graphviz/graph_medium/graphviz_160.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c352f2e859b07b15dd097069f693ba509cb811b4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_160.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=LR
+	N0 [label="Regulatory Framework for Nanotech" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label=Nanoelectronics color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N2 [label="Ethical Implications of Nanotech" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N3 [label="Water Purification using Nanomaterials" color="#DCE775" fillcolor="#F9FBE7" shape=oval style=filled]
+	N4 [label="Lab_on_a_Chip Devices" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N5 [label="Nanodevice Fabrication" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N6 [label=Nanocomposites color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N7 [label="Nanoparticle Characterization" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N8 [label="Nanofabrication Techniques" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N9 [label=Spectroscopy color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	S0 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label=Nanotoxicology labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Nanosensors color="#DCE775" fillcolor="#F9FBE7" shape=diamond style=filled]
+		nest0_1 [label=Nanocoatings color="#C2B2F0" fillcolor="#EFE6FF" shape=Mdiamond style=filled]
+		nest0_2 [label="Molecular Self_Assembly" color="#DCE775" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [label=synthesizes color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=detects color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=converts color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=delivers color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=assesses color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=innovates color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=applies color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [label=manipulates color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [label=researches color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_160.txt b/test/graphviz/graph_medium/graphviz_160.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92519362d1e90c6134940a143823ab25077eaa3a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_160.txt
@@ -0,0 +1,22 @@
+<Ethical Implications of Nanotech, delivers, Water Purification using Nanomaterials>
+<Lab_on_a_Chip Devices, connectedTo, Nanodevice Fabrication>
+<Molecular Self_Assembly, connectedTo, Nanocomposites>
+<Molecular Self_Assembly, partOf, Molecular Self_Assembly>
+<Nanocoatings, detects, Molecular Self_Assembly>
+<Nanocoatings, partOf, Nanocoatings>
+<Nanocomposites, assesses, Nanoparticle Characterization>
+<Nanodevice Fabrication, connectedTo, Nanocomposites>
+<Nanodevice Fabrication, connectedTo, Spectroscopy>
+<Nanodevice Fabrication, researches, Nanofabrication Techniques>
+<Nanoelectronics, connectedTo, Ethical Implications of Nanotech>
+<Nanoelectronics, connectedTo, Nanocomposites>
+<Nanoelectronics, manipulates, Water Purification using Nanomaterials>
+<Nanofabrication Techniques, applies, Spectroscopy>
+<Nanofabrication Techniques, connectedTo, Nanosensors>
+<Nanoparticle Characterization, innovates, Nanofabrication Techniques>
+<Nanosensors, partOf, Nanosensors>
+<Nanosensors, synthesizes, Nanocoatings>
+<Regulatory Framework for Nanotech, connectedTo, Nanofabrication Techniques>
+<Regulatory Framework for Nanotech, converts, Nanoelectronics>
+<Water Purification using Nanomaterials, connectedTo, Lab_on_a_Chip Devices>
+<Water Purification using Nanomaterials, connectedTo, Spectroscopy>
diff --git a/test/graphviz/graph_medium/graphviz_161.dot b/test/graphviz/graph_medium/graphviz_161.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2c4e43654d7b0baf7997a5fc579220154b87571
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_161.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=LR
+	N0 [label=Spintronics color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Catalysis at Nanoscale" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label=Nanocoatings color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N3 [label="Public Perception of Nanotechnology" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N4 [label="Molecular Self_Assembly" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label="Quantum Computing Integration" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+	N6 [label=Biosensors color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N7 [label="Water Purification using Nanomaterials" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N8 [label="Transmission Electron Microscopy" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Nanofabrication Techniques" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Regulatory Framework for Nanotech" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest0_1 [label=Nanosensors color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_2 [label="Advanced Materials Research" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=tests color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=detects color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=visualizes color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=catalyzes color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [label=communicates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label=assembles color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=complies color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_161.txt b/test/graphviz/graph_medium/graphviz_161.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24142339e7523b3d2ad35a705afb75dc4197ed28
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_161.txt
@@ -0,0 +1,20 @@
+<Advanced Materials Research, communicates, Biosensors>
+<Advanced Materials Research, partOf, Advanced Materials Research>
+<Biosensors, connectedTo, Water Purification using Nanomaterials>
+<Catalysis at Nanoscale, connectedTo, Nanocoatings>
+<Molecular Self_Assembly, connectedTo, Regulatory Framework for Nanotech>
+<Molecular Self_Assembly, visualizes, Quantum Computing Integration>
+<Nanocoatings, connectedTo, Public Perception of Nanotechnology>
+<Nanosensors, connectedTo, Advanced Materials Research>
+<Nanosensors, partOf, Nanosensors>
+<Public Perception of Nanotechnology, detects, Molecular Self_Assembly>
+<Quantum Computing Integration, assembles, Transmission Electron Microscopy>
+<Quantum Computing Integration, complies, Water Purification using Nanomaterials>
+<Quantum Computing Integration, connectedTo, Biosensors>
+<Regulatory Framework for Nanotech, partOf, Regulatory Framework for Nanotech>
+<Regulatory Framework for Nanotech, tests, Nanosensors>
+<Spintronics, connectedTo, Catalysis at Nanoscale>
+<Spintronics, connectedTo, Nanocoatings>
+<Spintronics, connectedTo, Water Purification using Nanomaterials>
+<Water Purification using Nanomaterials, catalyzes, Transmission Electron Microscopy>
+<Water Purification using Nanomaterials, connectedTo, Catalysis at Nanoscale>
diff --git a/test/graphviz/graph_medium/graphviz_162.txt b/test/graphviz/graph_medium/graphviz_162.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9eb18d1dd49b22b1080922c96a5c4c607c4fb73f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_162.txt
@@ -0,0 +1,20 @@
+<Bio_Nanotechnology Interface, controls, Nanofabrication Techniques>
+<Carbon Nanotube Synthesis, connectedTo, Catalysis at Nanoscale>
+<Carbon Nanotube Synthesis, partOf, Carbon Nanotube Synthesis>
+<Catalysis at Nanoscale, connectedTo, Spintronics>
+<Catalysis at Nanoscale, partOf, Catalysis at Nanoscale>
+<Computational Nanotechnology, connectedTo, Bio_Nanotechnology Interface>
+<Computational Nanotechnology, connectedTo, Nanoscale Imaging>
+<Computational Nanotechnology, connectedTo, Surface Functionalization>
+<Lab_on_a_Chip Devices, deposits, Bio_Nanotechnology Interface>
+<Lab_on_a_Chip Devices, optimizes, Spintronics>
+<Nanofabrication Techniques, researches, Environmental Remediation with Nanomaterials>
+<Nanoscale Imaging, connectedTo, Carbon Nanotube Synthesis>
+<Nanoscale Imaging, partOf, Nanoscale Imaging>
+<Nanosensors, connectedTo, Bio_Nanotechnology Interface>
+<Nanosensors, connectedTo, Spintronics>
+<Nanosensors, connectedTo, Surface Functionalization>
+<Nanosensors, designs, Bio_Nanotechnology Interface>
+<Nanosensors, manipulates, Lab_on_a_Chip Devices>
+<Spintronics, connectedTo, Computational Nanotechnology>
+<Surface Functionalization, connectedTo, Bio_Nanotechnology Interface>
diff --git a/test/graphviz/graph_medium/graphviz_163.txt b/test/graphviz/graph_medium/graphviz_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e921af722030fd894a7f5fb74abc670a8255c1d0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_163.txt
@@ -0,0 +1,21 @@
+<Financial Modeling with Quantum Computing, corrects, Quantum Hardware Control>
+<Financial Modeling with Quantum Computing, partOf, Financial Modeling with Quantum Computing>
+<Interfacing Classical and Quantum Computers, transmits, Quantum Computing in Drug Discovery>
+<Quantum Algorithm Development, connectedTo, Superconducting Qubits>
+<Quantum Circuit Design, connectedTo, Quantum Algorithm Development>
+<Quantum Circuit Design, connectedTo, Quantum Computing Education>
+<Quantum Circuit Design, connectedTo, Quantum Supremacy Claims>
+<Quantum Cloud Computing Services, connectedTo, Quantum Computing Benchmarking>
+<Quantum Coherence Management, connectedTo, Financial Modeling with Quantum Computing>
+<Quantum Coherence Management, models, Quantum Computing Education>
+<Quantum Computing Benchmarking, connectedTo, Interfacing Classical and Quantum Computers>
+<Quantum Computing Education, connectedTo, Quantum Cloud Computing Services>
+<Quantum Computing in Drug Discovery, computes, Quantum Algorithm Development>
+<Quantum Computing in Drug Discovery, secures, Quantum Teleportation Research>
+<Quantum Hardware Control, manages, Quantum Computing Education>
+<Quantum Hardware Control, partOf, Quantum Hardware Control>
+<Quantum Supremacy Claims, connectedTo, Quantum Coherence Management>
+<Quantum Supremacy Claims, connectedTo, Quantum Computing Education>
+<Quantum Supremacy Claims, connectedTo, Superconducting Qubits>
+<Quantum Supremacy Claims, debugs, Quantum Computing Benchmarking>
+<Quantum Teleportation Research, accesses, Quantum Algorithm Development>
diff --git a/test/graphviz/graph_medium/graphviz_164.dot b/test/graphviz/graph_medium/graphviz_164.dot
new file mode 100644
index 0000000000000000000000000000000000000000..22f7403b9ca7d12489f30ab976f6a1046db447c2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_164.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Quantum Network Development" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Interfacing Classical and Quantum Computers" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N2 [label="Quantum Software Development Kit" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N3 [label="Topological Qubits" color="#FF9800" fillcolor="#FFE0B2" shape=folder style=filled]
+	N4 [label="Quantum Cryptography" color="#FF9800" fillcolor="#FFE0B2" shape=octagon style=filled]
+	N5 [label="Quantum Sensing" color="#AF56A6" fillcolor="#DDCEDD" shape=octagon style=filled]
+	N6 [label="Post_Quantum Cryptography" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N7 [label="Quantum Bit Design" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N8 [label="Quantum Computing Benchmarking" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N9 [label="Photonic Qubits" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N10 [label="Quantum Machine Learning" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	S0 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AF56A6" fillcolor="#DDCEDD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Quantum Cloud Computing Services" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Quantum Advantage Demonstration" color="#AF56A6" fillcolor="#DDCEDD" shape=oval style=filled]
+		nest0_1 [label="Quantum Key Distribution" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+		nest0_2 [label="Quantum Simulation" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=controls color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=visualizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=optimizes color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N6 [label=validates color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=uploads color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [label=shares color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [label=measures color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	M1 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_164.txt b/test/graphviz/graph_medium/graphviz_164.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e011ec594a15df86668bc29b2af95bf0486cdfc1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_164.txt
@@ -0,0 +1,25 @@
+<Interfacing Classical and Quantum Computers, connectedTo, Quantum Cryptography>
+<Interfacing Classical and Quantum Computers, connectedTo, Quantum Software Development Kit>
+<Photonic Qubits, connectedTo, Quantum Machine Learning>
+<Post_Quantum Cryptography, connectedTo, Quantum Bit Design>
+<Post_Quantum Cryptography, measures, Quantum Computing Benchmarking>
+<Quantum Advantage Demonstration, connectedTo, Quantum Key Distribution>
+<Quantum Advantage Demonstration, partOf, Quantum Advantage Demonstration>
+<Quantum Bit Design, connectedTo, Quantum Machine Learning>
+<Quantum Bit Design, optimizes, Quantum Computing Benchmarking>
+<Quantum Bit Design, uploads, Photonic Qubits>
+<Quantum Computing Benchmarking, connectedTo, Photonic Qubits>
+<Quantum Cryptography, visualizes, Quantum Sensing>
+<Quantum Key Distribution, connectedTo, Quantum Simulation>
+<Quantum Key Distribution, partOf, Quantum Key Distribution>
+<Quantum Network Development, connectedTo, Interfacing Classical and Quantum Computers>
+<Quantum Sensing, connectedTo, Post_Quantum Cryptography>
+<Quantum Sensing, connectedTo, Quantum Computing Benchmarking>
+<Quantum Simulation, partOf, Quantum Simulation>
+<Quantum Simulation, validates, Post_Quantum Cryptography>
+<Quantum Software Development Kit, connectedTo, Quantum Bit Design>
+<Quantum Software Development Kit, connectedTo, Quantum Cryptography>
+<Quantum Software Development Kit, connectedTo, Topological Qubits>
+<Quantum Software Development Kit, shares, Photonic Qubits>
+<Topological Qubits, connectedTo, Quantum Advantage Demonstration>
+<Topological Qubits, controls, Quantum Cryptography>
diff --git a/test/graphviz/graph_medium/graphviz_165.dot b/test/graphviz/graph_medium/graphviz_165.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4d8296e90dcfe4e0e7c33ad1df0389fe30811fb3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_165.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=RL
+	N0 [label="Quantum Computing in Drug Discovery" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N1 [label="Interfacing Classical and Quantum Computers" color="#F7BEE0" fillcolor="#FAEBF3" shape=plaintext style=filled]
+	N2 [label="Topological Qubits" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N3 [label="Quantum Error Correction" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N4 [label="Quantum Sensing" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N5 [label="Quantum Key Distribution" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N6 [label="Quantum Computing for AI" color="#6EB76D" fillcolor="#E9F7E8" shape=octagon style=filled]
+	N7 [label="Optimization Problems with Quantum Annealing" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	S1 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Quantum Computing Education" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Material Science Simulations" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest0_1 [label="Quantum Advantage Demonstration" color="#6EB76D" fillcolor="#E9F7E8" shape=Mdiamond style=filled]
+		nest0_2 [label="Quantum Algorithm Development" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=validates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=manages color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N4 [label=researches color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_166.dot b/test/graphviz/graph_medium/graphviz_166.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4f1aa830bae92e36614d8256a53ef6fa71b173fb
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_166.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="User Experience Testing" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Mixed Reality Solutions" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Cloud_based AR or VR Rendering" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N3 [label="3D Model Creation" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N4 [label="Performance Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N5 [label="Architectural Visualization" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N6 [label="Latency Reduction" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N7 [label="Gesture Recognition" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N8 [label="User Interface Design" color="#AB47BC" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N9 [label="Facial Recognition in AR or VR" color="#B0C5CD" fillcolor="#DFE7EB" shape=folder style=filled]
+	N10 [label="AR for Navigation" color="#AB47BC" fillcolor="#F3E5F5" shape=octagon style=filled]
+	N11 [label="Haptic Feedback Integration" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	S0 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#AB47BC" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Tracking System Calibration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Retail Experience Enhancement" color="#B0C5CD" fillcolor="#DFE7EB" shape=oval style=filled]
+		nest0_1 [label="Field of View Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=plaintext style=filled]
+		nest0_2 [label="Training Simulations" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest0_3 [label="Neuro_VR Interfaces" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=immerses color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=collaborates color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=builds color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=audits color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [label=simulates color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N6 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=optimizes color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M0 [label=augments color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [label=secures color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_166.txt b/test/graphviz/graph_medium/graphviz_166.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8cb5f62f2dba0de9b7c776be8448d02acac042e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_166.txt
@@ -0,0 +1,26 @@
+<3D Model Creation, connectedTo, Performance Optimization>
+<AR for Navigation, audits, Haptic Feedback Integration>
+<Architectural Visualization, connectedTo, Latency Reduction>
+<Cloud_based AR or VR Rendering, connectedTo, Haptic Feedback Integration>
+<Cloud_based AR or VR Rendering, immerses, 3D Model Creation>
+<Facial Recognition in AR or VR, augments, Haptic Feedback Integration>
+<Facial Recognition in AR or VR, connectedTo, AR for Navigation>
+<Field of View Optimization, connectedTo, Training Simulations>
+<Field of View Optimization, partOf, Field of View Optimization>
+<Gesture Recognition, builds, User Interface Design>
+<Gesture Recognition, connectedTo, AR for Navigation>
+<Gesture Recognition, optimizes, Facial Recognition in AR or VR>
+<Latency Reduction, collaborates, Gesture Recognition>
+<Latency Reduction, secures, AR for Navigation>
+<Mixed Reality Solutions, connectedTo, AR for Navigation>
+<Mixed Reality Solutions, connectedTo, Cloud_based AR or VR Rendering>
+<Neuro_VR Interfaces, connectedTo, Latency Reduction>
+<Neuro_VR Interfaces, partOf, Neuro_VR Interfaces>
+<Performance Optimization, connectedTo, Architectural Visualization>
+<Retail Experience Enhancement, connectedTo, Field of View Optimization>
+<Retail Experience Enhancement, partOf, Retail Experience Enhancement>
+<Training Simulations, connectedTo, Neuro_VR Interfaces>
+<Training Simulations, partOf, Training Simulations>
+<User Experience Testing, connectedTo, Mixed Reality Solutions>
+<User Interface Design, connectedTo, Facial Recognition in AR or VR>
+<User Interface Design, simulates, Retail Experience Enhancement>
diff --git a/test/graphviz/graph_medium/graphviz_167.dot b/test/graphviz/graph_medium/graphviz_167.dot
new file mode 100644
index 0000000000000000000000000000000000000000..965606e718a88ed6aac2410b4c4b6e9d4a292e60
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_167.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=RL
+	N0 [label="3D Model Creation" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Field of View Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Hardware Prototyping" color="#AB47BC" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N3 [label="Environment Mapping" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N4 [label="Hand Tracking and Interaction" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N5 [label="Comfort and Ergonomics Design" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N6 [label="User Experience Testing" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	S0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Gesture Recognition" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Data Visualization in AR or VR" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+		nest0_1 [label="Virtual Showrooms" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_2 [label="Mixed Reality Solutions" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+		nest0_3 [label="Immersive Storytelling" color="#CB9BE1" fillcolor="#F2E6F5" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label=navigates color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=visualizes color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N2 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_168.txt b/test/graphviz/graph_medium/graphviz_168.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b3d73e8c1a62778836b510143c2005b2f93f1253
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_168.txt
@@ -0,0 +1,21 @@
+<Architectural Visualization, connectedTo, Virtual Reality Game Development>
+<Architectural Visualization, partOf, Architectural Visualization>
+<Comfort and Ergonomics Design, partOf, Comfort and Ergonomics Design>
+<Comfort and Ergonomics Design, secures, Medical Applications>
+<Educational Content Development, captures, Architectural Visualization>
+<Educational Content Development, partOf, Educational Content Development>
+<Ethical Considerations in AR or VR, connectedTo, Tracking System Calibration>
+<Eye Tracking, connectedTo, Ethical Considerations in AR or VR>
+<Eye Tracking, connectedTo, Remote Collaboration Tools>
+<Medical Applications, connectedTo, Ethical Considerations in AR or VR>
+<Medical Applications, renders, Field of View Optimization>
+<Remote Collaboration Tools, connectedTo, Ethical Considerations in AR or VR>
+<Remote Collaboration Tools, connectedTo, Field of View Optimization>
+<Remote Collaboration Tools, connectedTo, Medical Applications>
+<Remote Collaboration Tools, processes, Training Simulations>
+<Tracking System Calibration, connectedTo, Field of View Optimization>
+<Tracking System Calibration, connectedTo, Training Simulations>
+<Tracking System Calibration, visualizes, Educational Content Development>
+<Training Simulations, connects, Field of View Optimization>
+<Virtual Reality Game Development, connectedTo, Comfort and Ergonomics Design>
+<Virtual Reality Game Development, partOf, Virtual Reality Game Development>
diff --git a/test/graphviz/graph_medium/graphviz_169.dot b/test/graphviz/graph_medium/graphviz_169.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a5bf29ba2fe72b6818dbaea385518c953f5208e2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_169.dot
@@ -0,0 +1,32 @@
+digraph {
+	rankdir=LR
+	N0 [label="User Experience Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N1 [label="Game Publishing" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N2 [label="In_Game Economy Design" color="#3F51B5" fillcolor="#C5CAE9" shape=oval style=filled]
+	N3 [label="Character Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N4 [label="Network Code Optimization" color="#3F51B5" fillcolor="#C5CAE9" shape=plaintext style=filled]
+	N5 [label="Asset Creation" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N6 [label="Augmented Reality Gaming" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N7 [label="Player Progression Systems" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Physics Simulation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Level Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest0_1 [label="Mobile Game Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest0_2 [label="Console Game Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [label=publishes color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=organizes color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=engineers color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N3 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N2 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> N0 [label=advertises color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_169.txt b/test/graphviz/graph_medium/graphviz_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23348653050509fffee9a2f4b4f7a5deaae8146d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_169.txt
@@ -0,0 +1,17 @@
+<Asset Creation, connectedTo, Augmented Reality Gaming>
+<Augmented Reality Gaming, connectedTo, Character Design>
+<Augmented Reality Gaming, engineers, Player Progression Systems>
+<Character Design, organizes, Network Code Optimization>
+<Console Game Development, connectedTo, Character Design>
+<Console Game Development, connectedTo, In_Game Economy Design>
+<Console Game Development, partOf, Console Game Development>
+<Game Publishing, connectedTo, In_Game Economy Design>
+<In_Game Economy Design, advertises, User Experience Design>
+<In_Game Economy Design, connectedTo, Character Design>
+<Level Design, partOf, Level Design>
+<Level Design, publishes, Mobile Game Development>
+<Mobile Game Development, connectedTo, Console Game Development>
+<Mobile Game Development, partOf, Mobile Game Development>
+<Network Code Optimization, connectedTo, Asset Creation>
+<Network Code Optimization, connectedTo, Level Design>
+<User Experience Design, connectedTo, Game Publishing>
diff --git a/test/graphviz/graph_medium/graphviz_17.dot b/test/graphviz/graph_medium/graphviz_17.dot
new file mode 100644
index 0000000000000000000000000000000000000000..49027c16778b8e570a7a9e90f80685efce03c582
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_17.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=TD
+	N0 [label="Emergency Landing" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label="Platform Assignment" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N2 [label="Delay Alert" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N3 [label="Public Transport Ticketing" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N4 [label="Bridge Inspection" color="#82DAFF" fillcolor="#C8EDFF" shape=oval style=filled]
+	N5 [label="Road Network Management" color="#AB47BC" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N6 [label=Fueling color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N7 [label="Luggage Handling" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N8 [label="Train Dispatch" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N9 [label="Cargo Loading" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	M0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Vehicle Assignment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Passenger Boarding Pass Issuance" color="#82DAFF" fillcolor="#C8EDFF" shape=Mdiamond style=filled]
+		nest0_1 [label="Accident Reconstruction" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+		nest0_2 [label="Weather Impact Assessment" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=assigns color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [label=diversifies color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [label=licenses color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=arrives color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N0 [label=loads color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_173.txt b/test/graphviz/graph_medium/graphviz_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..899204959a2d0f2b7cc9b2846eec79075fb8440a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_173.txt
@@ -0,0 +1,18 @@
+<Arrangement, audits, Sound Design for Media>
+<Arrangement, connectedTo, Lyric Writing>
+<Artist Management, connectedTo, Mastering>
+<Artist Management, partOf, Artist Management>
+<Crowdfunding for Music Projects, connectedTo, Lyric Writing>
+<Live Sound Engineering, connectedTo, Artist Management>
+<Live Sound Engineering, partOf, Live Sound Engineering>
+<Lyric Writing, connectedTo, Merchandise Sales>
+<Merchandise Sales, connectedTo, Royalty Collection>
+<Performance, critiques, Ticketing>
+<Royalty Collection, collaborates, Mastering>
+<Sound Design for Media, connectedTo, Live Sound Engineering>
+<Sound Design for Media, connectedTo, Merchandise Sales>
+<Sound Design for Media, connectedTo, Royalty Collection>
+<Sound Design for Media, reviews, Crowdfunding for Music Projects>
+<Sound Design for Media, streams, Lyric Writing>
+<Streaming Platform Management, connectedTo, Arrangement>
+<Ticketing, connectedTo, Streaming Platform Management>
diff --git a/test/graphviz/graph_medium/graphviz_174.dot b/test/graphviz/graph_medium/graphviz_174.dot
new file mode 100644
index 0000000000000000000000000000000000000000..30b88f65806c24eb423cf057fe75c41bc5fc9e49
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_174.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=TD
+	N0 [label=Ticketing color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Live Sound Engineering" color="#42A5F5" fillcolor="#F1F8FF" shape=oval style=filled]
+	N2 [label="Artist Management" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N3 [label=Mastering color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N4 [label="Music Distribution" color="#6EB76D" fillcolor="#E9F7E8" shape=Mdiamond style=filled]
+	N5 [label="Record Label Operations" color="#6EB76D" fillcolor="#E9F7E8" shape=octagon style=filled]
+	N6 [label="Streaming Platform Management" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N7 [label="Royalty Collection" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Tour Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sound Design for Media" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+		nest0_1 [label="Music Therapy" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+		nest0_2 [label="Audio Engineering" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=produces color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=sells color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=critiques color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=learns color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=performs color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N6 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=arranges color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_174.txt b/test/graphviz/graph_medium/graphviz_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..760533f140b99213e9d052396a30792b661ab791
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_174.txt
@@ -0,0 +1,20 @@
+<Artist Management, critiques, Mastering>
+<Audio Engineering, connectedTo, Streaming Platform Management>
+<Audio Engineering, partOf, Audio Engineering>
+<Live Sound Engineering, connectedTo, Sound Design for Media>
+<Live Sound Engineering, connectedTo, Streaming Platform Management>
+<Live Sound Engineering, sells, Artist Management>
+<Mastering, connectedTo, Music Distribution>
+<Mastering, connectedTo, Record Label Operations>
+<Mastering, connectedTo, Royalty Collection>
+<Mastering, connectedTo, Streaming Platform Management>
+<Music Distribution, connectedTo, Streaming Platform Management>
+<Music Distribution, learns, Record Label Operations>
+<Music Therapy, connectedTo, Audio Engineering>
+<Music Therapy, partOf, Music Therapy>
+<Record Label Operations, performs, Streaming Platform Management>
+<Sound Design for Media, connectedTo, Music Therapy>
+<Sound Design for Media, partOf, Sound Design for Media>
+<Streaming Platform Management, connectedTo, Royalty Collection>
+<Ticketing, arranges, Streaming Platform Management>
+<Ticketing, produces, Live Sound Engineering>
diff --git a/test/graphviz/graph_medium/graphviz_175.dot b/test/graphviz/graph_medium/graphviz_175.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ddd802da1c0fa0c199bfca2e0e8a34e0d3389b2b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_175.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=TD
+	N0 [label="Archiving and Preservation" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N1 [label="Visual Effects" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N2 [label=Storyboarding color="#A188DB" fillcolor="#DED7F0" shape=folder style=filled]
+	N3 [label=Directing color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N4 [label="Virtual Production Techniques" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N5 [label="Set Construction" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N6 [label="Distribution Strategy" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N7 [label=Cinematography color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	S1 [label="" color="#A188DB" fillcolor="#DED7F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Marketing and Publicity" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Makeup and Hair Design" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+		nest0_1 [label="Audience Research" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+		nest0_2 [label="Prop Management" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=researches color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=shoots color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=edits color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=publishes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [label=mixes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_2 [label=screens color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [label=writes color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_175.txt b/test/graphviz/graph_medium/graphviz_175.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5eb915ad6e502db1195e05201549d46ba67b4546
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_175.txt
@@ -0,0 +1,20 @@
+<Archiving and Preservation, connectedTo, Prop Management>
+<Archiving and Preservation, connectedTo, Visual Effects>
+<Audience Research, connectedTo, Directing>
+<Audience Research, partOf, Audience Research>
+<Audience Research, researches, Prop Management>
+<Directing, connectedTo, Virtual Production Techniques>
+<Distribution Strategy, publishes, Cinematography>
+<Distribution Strategy, screens, Prop Management>
+<Makeup and Hair Design, connectedTo, Audience Research>
+<Makeup and Hair Design, partOf, Makeup and Hair Design>
+<Prop Management, mixes, Virtual Production Techniques>
+<Prop Management, partOf, Prop Management>
+<Prop Management, writes, Cinematography>
+<Set Construction, connectedTo, Distribution Strategy>
+<Storyboarding, connectedTo, Directing>
+<Virtual Production Techniques, connectedTo, Makeup and Hair Design>
+<Virtual Production Techniques, edits, Set Construction>
+<Visual Effects, connectedTo, Cinematography>
+<Visual Effects, connectedTo, Distribution Strategy>
+<Visual Effects, shoots, Storyboarding>
diff --git a/test/graphviz/graph_medium/graphviz_176.dot b/test/graphviz/graph_medium/graphviz_176.dot
new file mode 100644
index 0000000000000000000000000000000000000000..da275abaf76c0790b10e8fe7c36881410fd7f43c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_176.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=BT
+	N0 [label="Film Financing" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Virtual Production Techniques" color="#3F51B5" fillcolor="#C5CAE9" shape=plaintext style=filled]
+	N2 [label="Visual Effects" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N3 [label="Lighting Design" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N4 [label="Screenwriting Workshops" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N5 [label="Post_production Audio" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N6 [label="Art Direction" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N7 [label="Budget Management" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N8 [label="Costume Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=oval style=filled]
+	N9 [label="Makeup and Hair Design" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N10 [label="Talent Negotiation" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N11 [label="Set Construction" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N12 [label="Stunt Coordination" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N13 [label=Editing color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N14 [label=Directing color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N15 [label="Tax Incentive Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Marketing and Publicity" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Script Development" color="#3F51B5" fillcolor="#C5CAE9" shape=oval style=filled]
+		nest0_1 [label=Storyboarding color="#5C6BC0" fillcolor="#E8EAF6" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=researches color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="color grades" color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=renders color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=publishes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=directs color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=schedules color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=writes color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [label=screens color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N15 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N15 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_176.txt b/test/graphviz/graph_medium/graphviz_176.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91301d7e126bc9c3b9bbb7389e17c331b424cf78
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_176.txt
@@ -0,0 +1,24 @@
+<Art Direction, connectedTo, Budget Management>
+<Budget Management, publishes, Costume Design>
+<Costume Design, directs, Makeup and Hair Design>
+<Directing, screens, Tax Incentive Management>
+<Editing, connectedTo, Directing>
+<Film Financing, connectedTo, Virtual Production Techniques>
+<Lighting Design, connectedTo, Screenwriting Workshops>
+<Lighting Design, connectedTo, Tax Incentive Management>
+<Makeup and Hair Design, connectedTo, Editing>
+<Makeup and Hair Design, connectedTo, Script Development>
+<Makeup and Hair Design, connectedTo, Talent Negotiation>
+<Makeup and Hair Design, connectedTo, Tax Incentive Management>
+<Post_production Audio, renders, Art Direction>
+<Screenwriting Workshops, color grades, Post_production Audio>
+<Script Development, connectedTo, Storyboarding>
+<Script Development, partOf, Script Development>
+<Set Construction, writes, Stunt Coordination>
+<Storyboarding, connectedTo, Budget Management>
+<Storyboarding, partOf, Storyboarding>
+<Stunt Coordination, connectedTo, Editing>
+<Talent Negotiation, schedules, Set Construction>
+<Virtual Production Techniques, researches, Visual Effects>
+<Visual Effects, connectedTo, Lighting Design>
+<Visual Effects, connectedTo, Tax Incentive Management>
diff --git a/test/graphviz/graph_medium/graphviz_177.dot b/test/graphviz/graph_medium/graphviz_177.dot
new file mode 100644
index 0000000000000000000000000000000000000000..78cafaee1c876a9b0f594253b4df78244e4e210e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_177.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=RL
+	N0 [label="Lighting Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Sound Recording" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N2 [label="Tax Incentive Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N3 [label="Location Scouting" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N4 [label="Costume Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N5 [label="Film Financing" color="#82DAFF" fillcolor="#C8EDFF" shape=Mdiamond style=filled]
+	N6 [label="Legal Compliance" color="#92C79A" fillcolor="#E8F0EA" shape=Mdiamond style=filled]
+	N7 [label="Special Effects" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N8 [label="Prop Management" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N9 [label="Screenwriting Workshops" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N10 [label="Marketing and Publicity" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N11 [label="Script Development" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Virtual Production Techniques" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Archiving and Preservation" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest0_1 [label="Production Scheduling" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest0_2 [label=Directing color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+		nest0_3 [label="Insurance Management" color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=markets color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=edits color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=captures color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=films color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=publishes color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_177.txt b/test/graphviz/graph_medium/graphviz_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b768c418c32ddc9d4521a8f6699dd6f5d199a77
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_177.txt
@@ -0,0 +1,27 @@
+<Archiving and Preservation, connectedTo, Production Scheduling>
+<Archiving and Preservation, partOf, Archiving and Preservation>
+<Costume Design, edits, Film Financing>
+<Directing, connectedTo, Insurance Management>
+<Directing, partOf, Directing>
+<Film Financing, connectedTo, Legal Compliance>
+<Insurance Management, connectedTo, Tax Incentive Management>
+<Insurance Management, partOf, Insurance Management>
+<Legal Compliance, connectedTo, Screenwriting Workshops>
+<Legal Compliance, connectedTo, Script Development>
+<Legal Compliance, connectedTo, Special Effects>
+<Legal Compliance, films, Prop Management>
+<Lighting Design, markets, Sound Recording>
+<Lighting Design, publishes, Location Scouting>
+<Location Scouting, connectedTo, Costume Design>
+<Marketing and Publicity, connectedTo, Script Development>
+<Production Scheduling, connectedTo, Directing>
+<Production Scheduling, partOf, Production Scheduling>
+<Prop Management, connectedTo, Screenwriting Workshops>
+<Screenwriting Workshops, captures, Marketing and Publicity>
+<Sound Recording, connectedTo, Location Scouting>
+<Sound Recording, connectedTo, Tax Incentive Management>
+<Special Effects, connectedTo, Archiving and Preservation>
+<Special Effects, connectedTo, Prop Management>
+<Tax Incentive Management, connectedTo, Legal Compliance>
+<Tax Incentive Management, connectedTo, Location Scouting>
+<Tax Incentive Management, connectedTo, Marketing and Publicity>
diff --git a/test/graphviz/graph_medium/graphviz_178.dot b/test/graphviz/graph_medium/graphviz_178.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1645a2c3b42b20ffb9b0dc3cb0a86fca45d6ee92
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_178.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label=Animation color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N1 [label="Live Streaming Content" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N2 [label="Plagiarism Checking" color="#66BB6A" fillcolor="#E8F5E9" shape=octagon style=filled]
+	N3 [label="Influencer Collaboration" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N4 [label="Performance Tracking" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N5 [label="Newsletter Creation" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N6 [label="Distribution Planning" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N7 [label=Fact_Checking color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+	N8 [label="Podcast Production" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N9 [label="Content Management System Operation" color="#BDBDBD" fillcolor="#F5F5F5" shape=diamond style=filled]
+	N10 [label="Webinar Hosting" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N11 [label="Research and Outline" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Keyword Research" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Publishing color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+		nest0_1 [label="Search Engine Optimization" color="#9FA9E1" fillcolor="#D6D9F0" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=audios color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=podcasts color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=engages color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [label=narrates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=measures color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_178.txt b/test/graphviz/graph_medium/graphviz_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..99d88caf631eacb87c7dc9539a3f952c06744769
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_178.txt
@@ -0,0 +1,20 @@
+<Animation, connectedTo, Live Streaming Content>
+<Content Management System Operation, engages, Webinar Hosting>
+<Distribution Planning, audios, Fact_Checking>
+<Distribution Planning, measures, Podcast Production>
+<Distribution Planning, narrates, Research and Outline>
+<Fact_Checking, connectedTo, Podcast Production>
+<Influencer Collaboration, connectedTo, Performance Tracking>
+<Live Streaming Content, connectedTo, Plagiarism Checking>
+<Newsletter Creation, optimizes, Distribution Planning>
+<Performance Tracking, connectedTo, Newsletter Creation>
+<Performance Tracking, connectedTo, Publishing>
+<Performance Tracking, connectedTo, Research and Outline>
+<Plagiarism Checking, connectedTo, Influencer Collaboration>
+<Plagiarism Checking, connectedTo, Research and Outline>
+<Podcast Production, podcasts, Content Management System Operation>
+<Publishing, connectedTo, Search Engine Optimization>
+<Publishing, partOf, Publishing>
+<Search Engine Optimization, connectedTo, Live Streaming Content>
+<Search Engine Optimization, partOf, Search Engine Optimization>
+<Webinar Hosting, connectedTo, Research and Outline>
diff --git a/test/graphviz/graph_medium/graphviz_18.dot b/test/graphviz/graph_medium/graphviz_18.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0341cc41936fb13ce3f77bd6588514f944ce8fb8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_18.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fleet Management" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label=Boarding color="#80DDEA" fillcolor="#D3F7F9" shape=octagon style=filled]
+	N2 [label="Fare Calculation" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N3 [label="Bus Stop Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=Mdiamond style=filled]
+	N4 [label="Incident Report" color="#80DDEA" fillcolor="#D3F7F9" shape=plaintext style=filled]
+	N5 [label="Maintenance Check" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N6 [label="Cargo Loading" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N7 [label="Luggage Handling" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N8 [label="Location Input" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N9 [label="Delay Alert" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Passenger Boarding Pass Issuance" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Platform Assignment" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+		nest0_1 [label="Intermodal Transfer" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+		nest0_2 [label="Air Traffic Control" color="#CFCFCF" fillcolor="#F6F6F6" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=logs color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [label=routes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [label=checks color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=navigates color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=calculates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_18.txt b/test/graphviz/graph_medium/graphviz_18.txt
new file mode 100644
index 0000000000000000000000000000000000000000..041484885662093caa91312f1699b8be6241a5f0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_18.txt
@@ -0,0 +1,23 @@
+<Air Traffic Control, partOf, Air Traffic Control>
+<Air Traffic Control, routes, Luggage Handling>
+<Boarding, connectedTo, Fare Calculation>
+<Bus Stop Management, connectedTo, Incident Report>
+<Cargo Loading, connectedTo, Location Input>
+<Cargo Loading, connectedTo, Luggage Handling>
+<Fare Calculation, calculates, Luggage Handling>
+<Fare Calculation, checks, Incident Report>
+<Fare Calculation, connectedTo, Bus Stop Management>
+<Fare Calculation, connectedTo, Location Input>
+<Fare Calculation, connectedTo, Maintenance Check>
+<Fare Calculation, navigates, Location Input>
+<Fleet Management, connectedTo, Boarding>
+<Fleet Management, connectedTo, Maintenance Check>
+<Incident Report, connectedTo, Maintenance Check>
+<Intermodal Transfer, connectedTo, Air Traffic Control>
+<Intermodal Transfer, partOf, Intermodal Transfer>
+<Location Input, connectedTo, Delay Alert>
+<Location Input, connectedTo, Platform Assignment>
+<Luggage Handling, logs, Location Input>
+<Maintenance Check, connectedTo, Cargo Loading>
+<Platform Assignment, connectedTo, Intermodal Transfer>
+<Platform Assignment, partOf, Platform Assignment>
diff --git a/test/graphviz/graph_medium/graphviz_180.dot b/test/graphviz/graph_medium/graphviz_180.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f5f8ddccdca611c1ebefe31ecf9b4f788f161759
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_180.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Webinar Hosting" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N1 [label="Interactive Content Development" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N2 [label="Influencer Collaboration" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N3 [label="Editing and Proofreading" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N4 [label="Podcast Production" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N5 [label="User_Generated Content Curation" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N6 [label=Branding color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N7 [label="Transcribing Audio or Video" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N8 [label="Newsletter Creation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N9 [label="Live Streaming Content" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N10 [label="Research and Outline" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	S0 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Interview Conduct" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Voice Acting or Narration" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+		nest0_1 [label="Content Localization" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+		nest0_2 [label="Content Strategy Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=localizes color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=engages color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=researches color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=edits color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=measures color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=shares color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N9 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_181.dot b/test/graphviz/graph_medium/graphviz_181.dot
new file mode 100644
index 0000000000000000000000000000000000000000..edd63a3f78693fb3d26ef02f6dbae2002af69672
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_181.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=LR
+	N0 [label="A or B Testing Analysis" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Natural Language Processing for Data" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N2 [label="Healthcare Data Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N3 [label="Sales Performance Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N4 [label="Customer Analytics" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N5 [label="Data Quality Assurance" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N6 [label="Exploratory Data Analysis" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N7 [label="Web Analytics" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N8 [label="Data Storytelling" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N9 [label="Data Security Best Practices" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N10 [label="Time Series Forecasting" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+	N11 [label="Statistical Modeling" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Operational Efficiency Metrics" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Predictive Analytics" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+		nest0_1 [label="Supply Chain Analytics" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+		nest0_2 [label="Risk Analytics" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=segments color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=forecasts color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=discovers color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=mines color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [label=researches color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [label=collects color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S0 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_182.dot b/test/graphviz/graph_medium/graphviz_182.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a0d97476be275fd41a5ffb3fea68074e3f6b36cc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_182.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Risk Analytics" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N1 [label="Data Warehouse Design" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N2 [label="Cloud_based Data Platforms" color="#C0CA33" fillcolor="#F9FBE7" shape=folder style=filled]
+	N3 [label="Statistical Modeling" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N4 [label="Data Storytelling" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N5 [label="Customer Analytics" color="#26A69A" fillcolor="#E0F2F1" shape=oval style=filled]
+	N6 [label="Data Cleaning" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N7 [label="Operational Efficiency Metrics" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N8 [label="Data Security Best Practices" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N9 [label="Sales Performance Analysis" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N10 [label="HR Data Analytics" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Prescriptive Analytics" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Financial Data Analysis" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+		nest0_1 [label="Machine Learning Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+		nest0_2 [label="Text Analytics" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=secures color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=correlates color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=prepares color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=predicts color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [label=queries color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N2 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=analyzes color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_183.dot b/test/graphviz/graph_medium/graphviz_183.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b2bf00795da493395d85a442a78b3ae6f4b36e00
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_183.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=BT
+	N0 [label="A or B Testing Analysis" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N1 [label="Exploratory Data Analysis" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N2 [label="Marketing Campaign Analysis" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N3 [label="Dashboard Creation" color="#90A4AE" fillcolor="#ECEFF1" shape=plaintext style=filled]
+	N4 [label="Web Analytics" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N5 [label="Data Collection" color="#D3EB9F" fillcolor="#F8FDD3" shape=octagon style=filled]
+	N6 [label="Data Cleaning" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N7 [label="Time Series Forecasting" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Data Transformation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Prescriptive Analytics" color="#AED581" fillcolor="#F0F4C3" shape=Mdiamond style=filled]
+		nest0_1 [label="Operational Efficiency Metrics" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+		nest0_2 [label="Predictive Analytics" color="#D3EB9F" fillcolor="#F8FDD3" shape=oval style=filled]
+		nest0_3 [label="Report Generation" color="#D3EB9F" fillcolor="#F8FDD3" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=shares color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=automates color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label=implements color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N6 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [label=governs color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_183.txt b/test/graphviz/graph_medium/graphviz_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a34786bfbc2568886d57233fa558b1415b6126f1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_183.txt
@@ -0,0 +1,20 @@
+<A or B Testing Analysis, connectedTo, Exploratory Data Analysis>
+<A or B Testing Analysis, connectedTo, Web Analytics>
+<Dashboard Creation, connectedTo, Data Cleaning>
+<Dashboard Creation, governs, Data Collection>
+<Dashboard Creation, shares, Web Analytics>
+<Data Cleaning, automates, Time Series Forecasting>
+<Data Collection, connectedTo, Data Cleaning>
+<Exploratory Data Analysis, connectedTo, Marketing Campaign Analysis>
+<Exploratory Data Analysis, connectedTo, Web Analytics>
+<Marketing Campaign Analysis, connectedTo, Dashboard Creation>
+<Marketing Campaign Analysis, implements, Prescriptive Analytics>
+<Operational Efficiency Metrics, connectedTo, Predictive Analytics>
+<Operational Efficiency Metrics, partOf, Operational Efficiency Metrics>
+<Predictive Analytics, connectedTo, Report Generation>
+<Predictive Analytics, partOf, Predictive Analytics>
+<Prescriptive Analytics, connectedTo, Operational Efficiency Metrics>
+<Prescriptive Analytics, partOf, Prescriptive Analytics>
+<Report Generation, connectedTo, Data Cleaning>
+<Report Generation, partOf, Report Generation>
+<Web Analytics, connectedTo, Data Collection>
diff --git a/test/graphviz/graph_medium/graphviz_184.dot b/test/graphviz/graph_medium/graphviz_184.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0fda90a56e9b7ee757db8194c0e8650fc9f3f5a3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_184.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=RL
+	N0 [label="BI Platform Administration" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N1 [label="Data Lineage Tracking" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N2 [label="Actionable Insights Generation" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N3 [label="Competitive Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N4 [label="Dashboard Design" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N5 [label="HR Analytics Dashboards" color="#42A5F5" fillcolor="#F1F8FF" shape=Mdiamond style=filled]
+	N6 [label="Real_time BI Dashboards" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N7 [label="KPI Definition" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	S1 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Self_Service BI Tools" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Mobile BI Development" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+		nest0_1 [label="Query Optimization" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label=deploys color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=recommends color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=communicates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=self_serves color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N6 [label=tracks color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_184.txt b/test/graphviz/graph_medium/graphviz_184.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e850a2462fcc9c440b24b56a1f3738da184e7db5
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_184.txt
@@ -0,0 +1,16 @@
+<Actionable Insights Generation, connectedTo, Competitive Analysis>
+<BI Platform Administration, connectedTo, Data Lineage Tracking>
+<Competitive Analysis, communicates, Dashboard Design>
+<Dashboard Design, connectedTo, HR Analytics Dashboards>
+<Dashboard Design, connectedTo, KPI Definition>
+<Dashboard Design, connectedTo, Real_time BI Dashboards>
+<Data Lineage Tracking, connectedTo, KPI Definition>
+<Data Lineage Tracking, connectedTo, Mobile BI Development>
+<Data Lineage Tracking, recommends, Actionable Insights Generation>
+<HR Analytics Dashboards, connectedTo, KPI Definition>
+<HR Analytics Dashboards, self_serves, Real_time BI Dashboards>
+<Mobile BI Development, deploys, Query Optimization>
+<Mobile BI Development, partOf, Mobile BI Development>
+<Query Optimization, partOf, Query Optimization>
+<Query Optimization, tracks, Real_time BI Dashboards>
+<Real_time BI Dashboards, connectedTo, KPI Definition>
diff --git a/test/graphviz/graph_medium/graphviz_186.dot b/test/graphviz/graph_medium/graphviz_186.dot
new file mode 100644
index 0000000000000000000000000000000000000000..286f23f051beff21b0549d46ca7dcdb9e80dc9b8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_186.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Business Process Improvement" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N1 [label="Data Source Integration" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N2 [label="Competitive Analysis" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N3 [label="Regulatory Compliance Reporting" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N4 [label="Dashboard Design" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N5 [label="Data Warehousing" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N6 [label="Master Data Management" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N7 [label="Self_Service BI Tools" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N8 [label="Data Security in BI" color="#FF9800" fillcolor="#FFE0B2" shape=Mdiamond style=filled]
+	N9 [label="Data Mart Design" color="#A188D0" fillcolor="#DACBE3" shape=octagon style=filled]
+	N10 [label="Financial Performance Reporting" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Prescriptive Analytics Implementation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="User Training and Support" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+		nest0_1 [label="Customer Behavior Insights" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+		nest0_2 [label="Performance Monitoring" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=supports color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=benchmarks color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=designs color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=communicates color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N3 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [label=recommends color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_186.txt b/test/graphviz/graph_medium/graphviz_186.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1ab82414f35705c1982098953d469c7e2c616d7
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_186.txt
@@ -0,0 +1,24 @@
+<Business Process Improvement, connectedTo, Data Source Integration>
+<Business Process Improvement, connectedTo, Regulatory Compliance Reporting>
+<Competitive Analysis, connectedTo, Data Security in BI>
+<Competitive Analysis, connectedTo, Data Warehousing>
+<Competitive Analysis, connectedTo, Regulatory Compliance Reporting>
+<Customer Behavior Insights, connectedTo, Performance Monitoring>
+<Customer Behavior Insights, partOf, Customer Behavior Insights>
+<Dashboard Design, benchmarks, Data Warehousing>
+<Data Mart Design, communicates, Financial Performance Reporting>
+<Data Security in BI, connectedTo, Data Mart Design>
+<Data Source Integration, connectedTo, Regulatory Compliance Reporting>
+<Data Source Integration, supports, Competitive Analysis>
+<Data Warehousing, connectedTo, Master Data Management>
+<Data Warehousing, recommends, Self_Service BI Tools>
+<Master Data Management, connectedTo, Self_Service BI Tools>
+<Performance Monitoring, connectedTo, Regulatory Compliance Reporting>
+<Performance Monitoring, partOf, Performance Monitoring>
+<Regulatory Compliance Reporting, connectedTo, Dashboard Design>
+<Regulatory Compliance Reporting, connectedTo, Master Data Management>
+<Regulatory Compliance Reporting, connectedTo, Self_Service BI Tools>
+<Regulatory Compliance Reporting, connectedTo, User Training and Support>
+<Self_Service BI Tools, designs, Data Security in BI>
+<User Training and Support, connectedTo, Customer Behavior Insights>
+<User Training and Support, partOf, User Training and Support>
diff --git a/test/graphviz/graph_medium/graphviz_187.dot b/test/graphviz/graph_medium/graphviz_187.dot
new file mode 100644
index 0000000000000000000000000000000000000000..55a55a1a066ac0cf7540bae0901893451f222701
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_187.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=LR
+	N0 [label="Direct Mail Marketing" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label=Telemarketing color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N2 [label="Conversion Rate Optimization" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N3 [label="A or B Testing for Marketing" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N4 [label="Loyalty Programs" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N5 [label="Search Engine Marketing" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N6 [label="Marketing Budget Allocation" color="#4285F4" fillcolor="#D0E0F8" shape=oval style=filled]
+	N7 [label="Search Engine Optimization" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N8 [label="Event Marketing" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N9 [label="Distribution Channel Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=oval style=filled]
+	N10 [label="Brand Reputation Management" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N11 [label="Product Launch Strategy" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N12 [label="Content Marketing" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N13 [label="Website Design and Optimization" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Partnership Marketing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Promotional Campaigns" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+		nest0_1 [label="Podcast Marketing" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+		nest0_2 [label="Lead Generation" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label=influences color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="retargets ads" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="generates leads" color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label="creates content" color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [label="builds loyalty" color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N7 -> M1 [label="handles PR" color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_188.dot b/test/graphviz/graph_medium/graphviz_188.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1db9dd1b2c5ed4a64bf476da6b1faac319ee67bc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_188.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=BT
+	N0 [label="Remarketing Campaigns" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N1 [label="Brand Strategy Development" color="#D2D2D2" fillcolor="#F0F0F0" shape=folder style=filled]
+	N2 [label="Lead Generation" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N3 [label="Distribution Channel Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N4 [label="A or B Testing for Marketing" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N5 [label="Marketing Analytics" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N6 [label="Guerilla Marketing" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N7 [label="Target Audience Identification" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+	N8 [label="Competitive Analysis" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N9 [label="Market Research" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N10 [label="Brand Reputation Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N11 [label="Conversion Rate Optimization" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N12 [label="Pricing Strategy" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	S0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Podcast Marketing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Mobile Marketing" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+		nest0_1 [label="Social Media Marketing" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+		nest0_2 [label="Public Relations" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="optimizes SEO" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="optimizes conversions" color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="maps customer journeys" color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="organizes events" color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label="runs SEM" color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_188.txt b/test/graphviz/graph_medium/graphviz_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76415a07ff1103a600b54331a55bd0e8c8509076
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_188.txt
@@ -0,0 +1,24 @@
+<A or B Testing for Marketing, connectedTo, Marketing Analytics>
+<Brand Reputation Management, connectedTo, Conversion Rate Optimization>
+<Brand Strategy Development, connectedTo, Distribution Channel Management>
+<Brand Strategy Development, connectedTo, Lead Generation>
+<Brand Strategy Development, connectedTo, Mobile Marketing>
+<Competitive Analysis, connectedTo, Market Research>
+<Conversion Rate Optimization, runs SEM, Pricing Strategy>
+<Distribution Channel Management, maps customer journeys, A or B Testing for Marketing>
+<Guerilla Marketing, organizes events, Target Audience Identification>
+<Lead Generation, connectedTo, A or B Testing for Marketing>
+<Lead Generation, connectedTo, Distribution Channel Management>
+<Lead Generation, connectedTo, Marketing Analytics>
+<Lead Generation, connectedTo, Pricing Strategy>
+<Market Research, connectedTo, Brand Reputation Management>
+<Marketing Analytics, connectedTo, Guerilla Marketing>
+<Mobile Marketing, connectedTo, Social Media Marketing>
+<Mobile Marketing, partOf, Mobile Marketing>
+<Public Relations, connectedTo, Lead Generation>
+<Public Relations, partOf, Public Relations>
+<Remarketing Campaigns, connectedTo, Distribution Channel Management>
+<Remarketing Campaigns, optimizes conversions, Brand Strategy Development>
+<Social Media Marketing, optimizes SEO, Public Relations>
+<Social Media Marketing, partOf, Social Media Marketing>
+<Target Audience Identification, connectedTo, Competitive Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_190.dot b/test/graphviz/graph_medium/graphviz_190.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c74752c68369584bd862582ea88b42d0b2574003
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_190.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=TD
+	N0 [label="Native Advertising" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label="Audience Segmentation for Ads" color="#64B5F6" fillcolor="#E3F2FD" shape=oval style=filled]
+	N2 [label="Privacy Concerns in Ads" color="#64B5F6" fillcolor="#E3F2FD" shape=folder style=filled]
+	N3 [label="Radio Advertising" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N4 [label="Digital Advertising" color="#FFC2C2" fillcolor="#FFEBEB" shape=folder style=filled]
+	N5 [label="Psychographic Targeting" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N6 [label="Print Advertising" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N7 [label="Ad Platform Management" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N8 [label="Budget Management" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	M1 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Video Advertising" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Demographic Targeting" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_1 [label="Ad Copywriting" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+		nest0_2 [label="Ad Analytics Reporting" color="#FFC2C2" fillcolor="#FFEBEB" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="implements retargeting" color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="creates ads" color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="selects platforms" color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="segments audiences" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="targets psychographics" color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label="optimizes campaigns" color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N6 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N0 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_191.dot b/test/graphviz/graph_medium/graphviz_191.dot
new file mode 100644
index 0000000000000000000000000000000000000000..051d1d707e90292d881008a59278fd8b99a91393
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_191.dot
@@ -0,0 +1,32 @@
+digraph {
+	rankdir=LR
+	N0 [label="Demographic Targeting" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Interactive Ad Formats" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N2 [label="Display Advertising" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N3 [label="Print Advertising" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N4 [label="Audience Targeting" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N5 [label="Conversion Tracking" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N6 [label="Direct Response Campaigns" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Programmatic Advertising" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Video Advertising" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest0_1 [label="A or B Testing for Ads" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="writes copy" color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label="targets psychographics" color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label="selects platforms" color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N3 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_191.txt b/test/graphviz/graph_medium/graphviz_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28f6858e03bfb3481291a913d2b2eab9f94ed093
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_191.txt
@@ -0,0 +1,16 @@
+<A or B Testing for Ads, connectedTo, Interactive Ad Formats>
+<A or B Testing for Ads, partOf, A or B Testing for Ads>
+<Audience Targeting, connectedTo, Conversion Tracking>
+<Conversion Tracking, connectedTo, Print Advertising>
+<Conversion Tracking, writes copy, Direct Response Campaigns>
+<Demographic Targeting, connectedTo, Interactive Ad Formats>
+<Demographic Targeting, selects platforms, Direct Response Campaigns>
+<Display Advertising, connectedTo, Direct Response Campaigns>
+<Display Advertising, connectedTo, Print Advertising>
+<Display Advertising, targets psychographics, Video Advertising>
+<Interactive Ad Formats, connectedTo, A or B Testing for Ads>
+<Interactive Ad Formats, connectedTo, Display Advertising>
+<Print Advertising, connectedTo, Audience Targeting>
+<Print Advertising, connectedTo, Display Advertising>
+<Video Advertising, connectedTo, A or B Testing for Ads>
+<Video Advertising, partOf, Video Advertising>
diff --git a/test/graphviz/graph_medium/graphviz_192.txt b/test/graphviz/graph_medium/graphviz_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..38ea3eb8d1c1a7b30cee6767a08ccd9dfcd119c1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_192.txt
@@ -0,0 +1,17 @@
+<Ad Analytics Reporting, connectedTo, Media Buying>
+<Ad Creative Development, connectedTo, Retargeting Campaigns>
+<Ad Creative Development, partOf, Ad Creative Development>
+<Digital Advertising, connectedTo, Geo_Targeting>
+<Display Advertising, detects fraud, Fraud Detection in Ads>
+<Display Advertising, implements retargeting, Retargeting Campaigns>
+<Fraud Detection in Ads, connectedTo, Programmatic Advertising>
+<Fraud Detection in Ads, partOf, Fraud Detection in Ads>
+<Geo_Targeting, connectedTo, Display Advertising>
+<Media Buying, connectedTo, Ad Platform Management>
+<Programmatic Advertising, connectedTo, Ad Creative Development>
+<Programmatic Advertising, partOf, Programmatic Advertising>
+<Retargeting Campaigns, connectedTo, Ad Analytics Reporting>
+<Visual Design for Ads, connectedTo, Display Advertising>
+<Visual Design for Ads, native ads, Media Buying>
+<Visual Design for Ads, programmatic ads, Ad Analytics Reporting>
+<Visual Design for Ads, selects platforms, Digital Advertising>
diff --git a/test/graphviz/graph_medium/graphviz_193.dot b/test/graphviz/graph_medium/graphviz_193.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7fed610a8dd823e58612f70272a4a0e609e3ac6a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_193.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=LR
+	N0 [label="Enterprise Blockchain Solutions" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="Blockchain Node Operation" color="#4DB6AC" fillcolor="#E0F2F1" shape=folder style=filled]
+	N2 [label="Regulatory Compliance for Blockchain" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Consensus Mechanism Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N4 [label="Gaming on Blockchain" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N5 [label="Interoperability Solutions" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N6 [label="Security Token Offerings" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N7 [label="Wallet Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	S0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Voting Systems on Blockchain" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Tokenomics Design" color="#4DB6AC" fillcolor="#E0F2F1" shape=plaintext style=filled]
+		nest0_1 [label="Scalability Solutions" color="#4DB6AC" fillcolor="#E0F2F1" shape=oval style=filled]
+		nest0_2 [label="Smart Contract Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_3 [label="Mining Operations" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="ensures compliance" color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label="secures health data" color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_3 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="deploys solutions" color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="sets up environments" color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="generates hashes" color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [label="creates bridges" color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label="audits code" color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N4 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	nest0_0 -> N1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_193.txt b/test/graphviz/graph_medium/graphviz_193.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44d50793e8acc28d31987a69abfabbaedba22f77
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_193.txt
@@ -0,0 +1,21 @@
+<Blockchain Node Operation, deploys solutions, Regulatory Compliance for Blockchain>
+<Consensus Mechanism Development, audits code, Wallet Management>
+<Consensus Mechanism Development, connectedTo, Gaming on Blockchain>
+<Consensus Mechanism Development, connectedTo, Interoperability Solutions>
+<Consensus Mechanism Development, creates bridges, Tokenomics Design>
+<Enterprise Blockchain Solutions, connectedTo, Blockchain Node Operation>
+<Enterprise Blockchain Solutions, connectedTo, Gaming on Blockchain>
+<Gaming on Blockchain, sets up environments, Interoperability Solutions>
+<Interoperability Solutions, connectedTo, Security Token Offerings>
+<Mining Operations, connectedTo, Interoperability Solutions>
+<Mining Operations, partOf, Mining Operations>
+<Regulatory Compliance for Blockchain, connectedTo, Consensus Mechanism Development>
+<Scalability Solutions, connectedTo, Mining Operations>
+<Scalability Solutions, ensures compliance, Smart Contract Development>
+<Scalability Solutions, partOf, Scalability Solutions>
+<Security Token Offerings, generates hashes, Wallet Management>
+<Smart Contract Development, partOf, Smart Contract Development>
+<Smart Contract Development, secures health data, Mining Operations>
+<Tokenomics Design, connectedTo, Blockchain Node Operation>
+<Tokenomics Design, connectedTo, Scalability Solutions>
+<Tokenomics Design, partOf, Tokenomics Design>
diff --git a/test/graphviz/graph_medium/graphviz_194.txt b/test/graphviz/graph_medium/graphviz_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f863bd36551b1f393c0fb005ce467359e17c4d8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_194.txt
@@ -0,0 +1,26 @@
+<Consensus Mechanism Development, connectedTo, Security Token Offerings>
+<Consensus Mechanism Development, protects IPs, Oracles Integration>
+<Cross_Border Payments, connectedTo, Governance Models for Blockchains>
+<Cross_Border Payments, connectedTo, Smart Contract Development>
+<Cryptographic Hashing, connectedTo, Mining Operations>
+<Decentralized Network Design, audits code, Consensus Mechanism Development>
+<Decentralized Network Design, connectedTo, Security Token Offerings>
+<Digital Identity Management, scales systems, Enterprise Blockchain Solutions>
+<Enterprise Blockchain Solutions, connectedTo, Voting Systems on Blockchain>
+<Governance Models for Blockchains, connectedTo, Non_Fungible Token Creation>
+<Governance Models for Blockchains, partOf, Governance Models for Blockchains>
+<Identity Verification on Blockchain, distributes ledgers, Initial Coin Offerings>
+<Initial Coin Offerings, connectedTo, Cryptographic Hashing>
+<Initial Coin Offerings, connectedTo, Mining Operations>
+<Initial Coin Offerings, connectedTo, Supply Chain Traceability>
+<Initial Coin Offerings, identifies users, Interoperability Solutions>
+<Interoperability Solutions, connectedTo, Cryptographic Hashing>
+<Non_Fungible Token Creation, connectedTo, Oracles Integration>
+<Non_Fungible Token Creation, partOf, Non_Fungible Token Creation>
+<Oracles Integration, connectedTo, Digital Identity Management>
+<Oracles Integration, connectedTo, Interoperability Solutions>
+<Security Token Offerings, connectedTo, Identity Verification on Blockchain>
+<Smart Contract Development, supports DeFi, Interoperability Solutions>
+<Supply Chain Traceability, connectedTo, Cross_Border Payments>
+<Voting Systems on Blockchain, connectedTo, Interoperability Solutions>
+<Voting Systems on Blockchain, connectedTo, Security Token Offerings>
diff --git a/test/graphviz/graph_medium/graphviz_195.dot b/test/graphviz/graph_medium/graphviz_195.dot
new file mode 100644
index 0000000000000000000000000000000000000000..350ae1efd472517265f4ae3323e3014026d976a3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_195.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Regulatory Compliance for Blockchain" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Tokenomics Design" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N2 [label="Smart Contract Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N3 [label="Energy Trading on Blockchain" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N4 [label="Intellectual Property Management" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="Cross_Border Payments" color="#FFEB3B" fillcolor="#FFF9C4" shape=plaintext style=filled]
+	N6 [label="Private Blockchain Implementation" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Security Auditing for Blockchains" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Voting Systems on Blockchain" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+		nest0_1 [label="Decentralized Network Design" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+		nest0_2 [label="Identity Verification on Blockchain" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+		nest0_3 [label="Initial Coin Offerings" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="manages real estate" color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest0_3 -> nest0_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="conducts ICOs" color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N4 [label="supports DeFi" color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [label="traces provenance" color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N3 [label="audits code" color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_195.txt b/test/graphviz/graph_medium/graphviz_195.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d793a6992e4252c8306b546897b1eac126b9f366
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_195.txt
@@ -0,0 +1,21 @@
+<Cross_Border Payments, connectedTo, Private Blockchain Implementation>
+<Cross_Border Payments, connectedTo, Voting Systems on Blockchain>
+<Decentralized Network Design, connectedTo, Tokenomics Design>
+<Decentralized Network Design, manages real estate, Identity Verification on Blockchain>
+<Decentralized Network Design, partOf, Decentralized Network Design>
+<Energy Trading on Blockchain, connectedTo, Intellectual Property Management>
+<Energy Trading on Blockchain, connectedTo, Smart Contract Development>
+<Identity Verification on Blockchain, connectedTo, Initial Coin Offerings>
+<Identity Verification on Blockchain, partOf, Identity Verification on Blockchain>
+<Initial Coin Offerings, connectedTo, Decentralized Network Design>
+<Initial Coin Offerings, connectedTo, Private Blockchain Implementation>
+<Initial Coin Offerings, partOf, Initial Coin Offerings>
+<Initial Coin Offerings, traces provenance, Smart Contract Development>
+<Intellectual Property Management, conducts ICOs, Cross_Border Payments>
+<Regulatory Compliance for Blockchain, audits code, Energy Trading on Blockchain>
+<Regulatory Compliance for Blockchain, connectedTo, Tokenomics Design>
+<Regulatory Compliance for Blockchain, supports DeFi, Intellectual Property Management>
+<Smart Contract Development, connectedTo, Energy Trading on Blockchain>
+<Tokenomics Design, connectedTo, Smart Contract Development>
+<Voting Systems on Blockchain, connectedTo, Decentralized Network Design>
+<Voting Systems on Blockchain, partOf, Voting Systems on Blockchain>
diff --git a/test/graphviz/graph_medium/graphviz_196.txt b/test/graphviz/graph_medium/graphviz_196.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39d8d912169eee9f78e446e77bb6861a56477617
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_196.txt
@@ -0,0 +1,16 @@
+<Airdrop Campaigns, connectedTo, Blockchain Integration>
+<Airdrop Campaigns, connectedTo, Initial Exchange Offering>
+<Airdrop Campaigns, connectedTo, Key Management>
+<Decentralized Autonomous Organizations, connectedTo, Blockchain Integration>
+<Decentralized Autonomous Organizations, partOf, Decentralized Autonomous Organizations>
+<Decentralized Exchange Operation, connectedTo, Airdrop Campaigns>
+<Initial Exchange Offering, lends funds, Blockchain Integration>
+<KYC or AML Procedures, connectedTo, Mining Algorithm Design>
+<KYC or AML Procedures, optimizes investments, Decentralized Autonomous Organizations>
+<KYC or AML Procedures, partOf, KYC or AML Procedures>
+<Key Management, connectedTo, Initial Exchange Offering>
+<Key Management, connectedTo, Mining Algorithm Design>
+<Mining Algorithm Design, connectedTo, KYC or AML Procedures>
+<Mining Algorithm Design, partOf, Mining Algorithm Design>
+<Transaction Processing, conducts IEOs, Web3 Integration>
+<Web3 Integration, connectedTo, Decentralized Exchange Operation>
diff --git a/test/graphviz/graph_medium/graphviz_197.dot b/test/graphviz/graph_medium/graphviz_197.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e7ff37ffa93058a71cc9ef8485e9772031acfaad
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_197.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TD
+	N0 [label="Interoperability Solutions" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Stablecoin Design" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N2 [label="Decentralized Exchange Operation" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N3 [label="Legal Advisory for Crypto" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Market Analysis" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N5 [label="GameFi Development" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label="Cold Storage Solutions" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N7 [label="Cryptocurrency Trading Bots" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N8 [label="Security Audits" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N9 [label="Fraud Prevention" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Coin Creation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cryptocurrency Education" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_1 [label="Portfolio Management" color="#E91E63" fillcolor="#FCE4EC" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="develops exchanges" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [label="generates yield" color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [label="manages portfolios" color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label="integrates fiat" color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label="builds Web3 applications" color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label="lists assets" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_197.txt b/test/graphviz/graph_medium/graphviz_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42bec2be0a8146868358d49a2518a95b7a180f14
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_197.txt
@@ -0,0 +1,20 @@
+<Cold Storage Solutions, connectedTo, Cryptocurrency Trading Bots>
+<Cryptocurrency Education, connectedTo, Portfolio Management>
+<Cryptocurrency Education, partOf, Cryptocurrency Education>
+<Cryptocurrency Trading Bots, connectedTo, Security Audits>
+<Decentralized Exchange Operation, connectedTo, Legal Advisory for Crypto>
+<GameFi Development, connectedTo, Cold Storage Solutions>
+<Interoperability Solutions, connectedTo, Stablecoin Design>
+<Interoperability Solutions, integrates fiat, Legal Advisory for Crypto>
+<Legal Advisory for Crypto, connectedTo, Cold Storage Solutions>
+<Legal Advisory for Crypto, connectedTo, Market Analysis>
+<Legal Advisory for Crypto, generates yield, Cryptocurrency Education>
+<Market Analysis, develops exchanges, GameFi Development>
+<Market Analysis, lists assets, Cold Storage Solutions>
+<Portfolio Management, manages portfolios, Legal Advisory for Crypto>
+<Portfolio Management, partOf, Portfolio Management>
+<Security Audits, connectedTo, Fraud Prevention>
+<Stablecoin Design, builds Web3 applications, Cold Storage Solutions>
+<Stablecoin Design, connectedTo, Cryptocurrency Trading Bots>
+<Stablecoin Design, connectedTo, Decentralized Exchange Operation>
+<Stablecoin Design, connectedTo, Legal Advisory for Crypto>
diff --git a/test/graphviz/graph_medium/graphviz_199.dot b/test/graphviz/graph_medium/graphviz_199.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f1df8c8d4d2d7560f3a1ebfeb4e9d5adbd435d0a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_199.dot
@@ -0,0 +1,33 @@
+digraph {
+	rankdir=RL
+	N0 [label="Press Outreach" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Product Development Lifecycle" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N2 [label="International Crowdfunding" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N3 [label="Manufacturing Planning" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N4 [label="Video Production for Campaigns" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	S1 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Logistics for Rewards" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Payment Processing" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_1 [label="Equity Crowdfunding" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+		nest0_2 [label="Pitch Deck Preparation" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_3 [label="Project Vetting" color="#DCE775" fillcolor="#FCFCE7" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="promotes campaigns" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label="markets projects" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="manages backers" color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [label="analyzes data" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label="sends emails" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label="manages debt" color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_20.dot b/test/graphviz/graph_medium/graphviz_20.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c3e4ba3c1394a6096ca9a22d7e524cca148038f3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_20.dot
@@ -0,0 +1,57 @@
+digraph {
+	rankdir=RL
+	N0 [label="Grid Modernization" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N1 [label="Peak Shaving" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N2 [label="Load Shedding" color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N3 [label="Oil and Gas Exploration" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N4 [label="Distributed Generation Management" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N5 [label="Generator Check" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N6 [label="Hydropower Generation" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N7 [label="Regulatory Compliance" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N8 [label="Usage Billing" color="#FFC107" fillcolor="#FFECB3" shape=plaintext style=filled]
+	N9 [label="Carbon Capture" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N10 [label="Battery Monitoring" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N11 [label="Sensor Reading" color="#90A4AE" fillcolor="#ECEFF1" shape=plaintext style=filled]
+	N12 [label="Wind Turbine Monitoring" color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N13 [label="Energy Storage" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Demand Forecast" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Substation Automation" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_1 [label="Nuclear Reactor Control" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=monitors color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=distributes color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=predicts color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=purchases color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=logs color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [label=repairs color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N13 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=models color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=measures color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_20.txt b/test/graphviz/graph_medium/graphviz_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca662ae1f1135e46e9ffc4b3c2df3b3feee9c696
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_20.txt
@@ -0,0 +1,28 @@
+<Battery Monitoring, purchases, Sensor Reading>
+<Carbon Capture, connectedTo, Battery Monitoring>
+<Distributed Generation Management, connectedTo, Regulatory Compliance>
+<Distributed Generation Management, connectedTo, Usage Billing>
+<Distributed Generation Management, connectedTo, Wind Turbine Monitoring>
+<Distributed Generation Management, distributes, Generator Check>
+<Generator Check, connectedTo, Hydropower Generation>
+<Generator Check, connectedTo, Regulatory Compliance>
+<Generator Check, optimizes, Usage Billing>
+<Grid Modernization, connectedTo, Peak Shaving>
+<Grid Modernization, measures, Regulatory Compliance>
+<Hydropower Generation, connectedTo, Regulatory Compliance>
+<Load Shedding, connectedTo, Substation Automation>
+<Load Shedding, monitors, Oil and Gas Exploration>
+<Nuclear Reactor Control, connectedTo, Energy Storage>
+<Nuclear Reactor Control, partOf, Nuclear Reactor Control>
+<Oil and Gas Exploration, connectedTo, Distributed Generation Management>
+<Oil and Gas Exploration, connectedTo, Regulatory Compliance>
+<Oil and Gas Exploration, models, Hydropower Generation>
+<Peak Shaving, connectedTo, Hydropower Generation>
+<Peak Shaving, connectedTo, Load Shedding>
+<Peak Shaving, connectedTo, Regulatory Compliance>
+<Regulatory Compliance, predicts, Usage Billing>
+<Sensor Reading, logs, Wind Turbine Monitoring>
+<Substation Automation, connectedTo, Nuclear Reactor Control>
+<Substation Automation, partOf, Substation Automation>
+<Usage Billing, connectedTo, Carbon Capture>
+<Wind Turbine Monitoring, repairs, Energy Storage>
diff --git a/test/graphviz/graph_medium/graphviz_200.txt b/test/graphviz/graph_medium/graphviz_200.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09282aca74adaeabdb72a3dc7a0813e5f2776cd1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_200.txt
@@ -0,0 +1,22 @@
+<Backer Communication, markets projects, Press Outreach>
+<Backer Communication, partOf, Backer Communication>
+<Donation_Based Crowdfunding, calculates taxes, Shareholder Management>
+<Donation_Based Crowdfunding, connectedTo, Equity Crowdfunding>
+<Donation_Based Crowdfunding, connectedTo, Funding Period Management>
+<Donation_Based Crowdfunding, connectedTo, Pitch Deck Preparation>
+<Donation_Based Crowdfunding, connectedTo, Platform Selection>
+<Equity Crowdfunding, connectedTo, Tax Implications of Crowdfunding>
+<Financial Projection Analysis, connectedTo, Donation_Based Crowdfunding>
+<Financial Projection Analysis, connectedTo, Platform Selection>
+<Financial Projection Analysis, prepares pitches, Equity Crowdfunding>
+<Funding Period Management, connectedTo, Backer Communication>
+<Funding Period Management, connectedTo, Equity Crowdfunding>
+<Funding Period Management, produces content, Pitch Deck Preparation>
+<Pitch Deck Preparation, connectedTo, Equity Crowdfunding>
+<Pitch Deck Preparation, connectedTo, Platform Selection>
+<Platform Fee Management, connectedTo, Tax Implications of Crowdfunding>
+<Platform Fee Management, partOf, Platform Fee Management>
+<Platform Selection, connectedTo, Shareholder Management>
+<Press Outreach, connectedTo, Platform Fee Management>
+<Press Outreach, partOf, Press Outreach>
+<Tax Implications of Crowdfunding, measures success, Platform Selection>
diff --git a/test/graphviz/graph_medium/graphviz_201.dot b/test/graphviz/graph_medium/graphviz_201.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7b4a139d5d4b866b96a670930d325c6f9e9a5bab
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_201.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=TD
+	N0 [label="Email List Building" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N1 [label="Marketing Strategy" color="#7E57C2" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N2 [label="Escrow Management" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N3 [label="Community Building" color="#7E57C2" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N4 [label="Platform Selection" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N5 [label="Campaign Creation" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N6 [label="Payment Processing" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N7 [label="Post_Campaign Updates" color="#FFCC80" fillcolor="#FFF0CC" shape=Mdiamond style=filled]
+	N8 [label="Securities Regulations Adherence" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N9 [label="Logistics for Rewards" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N10 [label="Donation_Based Crowdfunding" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N11 [label="International Crowdfunding" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N12 [label="Goal Setting" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N13 [label="Platform Fee Management" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Real Estate Crowdfunding" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Financial Projection Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest0_1 [label="Tax Implications of Crowdfunding" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_2 [label="Product Development Lifecycle" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="markets projects" color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="distributes rewards" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="manages debt" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="generates reports" color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label="handles logistics" color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [label="analyzes data" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [label="collects donations" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label="performs due diligence" color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_202.dot b/test/graphviz/graph_medium/graphviz_202.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9c1c0b0c409bcc4324beb376e0706e762a89390e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_202.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=RL
+	N0 [label="API Development for IoT" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N1 [label="Device Management" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N2 [label="AI at the Edge" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N3 [label="Transportation IoT" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N4 [label="Device Prototyping" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N5 [label="Interoperability Standards" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N6 [label="Environmental Monitoring" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N7 [label="Security Implementation" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#CFCFCF" fillcolor="#F6F6F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Real_time Data Streaming" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Data Collection" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_1 [label="Energy Management Systems" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+		nest0_2 [label="Data Privacy in IoT" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+		nest0_3 [label="Power Management for Devices" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label="optimizes industrial processes" color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="uses protocols" color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="monitors healthcare" color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="prototypes devices" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="deploys gateways" color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label="predicts events" color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [label="manages networks" color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_202.txt b/test/graphviz/graph_medium/graphviz_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..81e8683309d96cae943fc8738cff939e7d8ecbed
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_202.txt
@@ -0,0 +1,21 @@
+<AI at the Edge, connectedTo, Device Prototyping>
+<AI at the Edge, connectedTo, Transportation IoT>
+<API Development for IoT, connectedTo, Device Management>
+<Data Collection, optimizes industrial processes, Energy Management Systems>
+<Data Collection, partOf, Data Collection>
+<Data Privacy in IoT, connectedTo, Power Management for Devices>
+<Data Privacy in IoT, partOf, Data Privacy in IoT>
+<Device Management, connectedTo, AI at the Edge>
+<Device Management, connectedTo, Data Collection>
+<Device Management, connectedTo, Device Prototyping>
+<Device Management, predicts events, Security Implementation>
+<Device Prototyping, connectedTo, Interoperability Standards>
+<Device Prototyping, connectedTo, Security Implementation>
+<Device Prototyping, manages networks, Environmental Monitoring>
+<Energy Management Systems, partOf, Energy Management Systems>
+<Energy Management Systems, uses protocols, Data Privacy in IoT>
+<Environmental Monitoring, deploys gateways, Security Implementation>
+<Interoperability Standards, prototypes devices, Environmental Monitoring>
+<Power Management for Devices, connectedTo, Security Implementation>
+<Power Management for Devices, partOf, Power Management for Devices>
+<Transportation IoT, monitors healthcare, Device Prototyping>
diff --git a/test/graphviz/graph_medium/graphviz_203.dot b/test/graphviz/graph_medium/graphviz_203.dot
new file mode 100644
index 0000000000000000000000000000000000000000..54b61b7153aa9c3a06bfbdda29b4a75ddd33a6f6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_203.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=TD
+	N0 [label="Smart City Sensors" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Wearable Technology" color="#00BCD4" fillcolor="#E0F7FA" shape=Mdiamond style=filled]
+	N2 [label="Smart Home Devices" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N3 [label="API Development for IoT" color="#D3EB9F" fillcolor="#F8FDD3" shape=oval style=filled]
+	N4 [label="Industrial IoT" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N5 [label="Security Implementation" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="AI at the Edge" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N7 [label="Agricultural IoT" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N8 [label="Retail IoT" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N9 [label="User Interface for IoT Apps" color="#FFF176" fillcolor="#FFFDE7" shape=folder style=filled]
+	N10 [label="Data Collection" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N11 [label="Over_the_Air Updates" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	S0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#E0F7FA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Asset Tracking" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Compliance with IoT Regulations" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_1 [label="Energy Management Systems" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [label="integrates AI" color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="deploys gateways" color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="certifies devices" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="manages deployments" color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label="manufactures devices" color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [label="optimizes operations" color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_203.txt b/test/graphviz/graph_medium/graphviz_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52b982f95d5d3bc429649cbc4012e664078badb2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_203.txt
@@ -0,0 +1,21 @@
+<AI at the Edge, connectedTo, Agricultural IoT>
+<API Development for IoT, connectedTo, Industrial IoT>
+<API Development for IoT, optimizes operations, Compliance with IoT Regulations>
+<Agricultural IoT, manages deployments, Retail IoT>
+<Compliance with IoT Regulations, integrates AI, Energy Management Systems>
+<Compliance with IoT Regulations, partOf, Compliance with IoT Regulations>
+<Data Collection, connectedTo, Over_the_Air Updates>
+<Energy Management Systems, connectedTo, Agricultural IoT>
+<Energy Management Systems, partOf, Energy Management Systems>
+<Industrial IoT, certifies devices, Security Implementation>
+<Industrial IoT, connectedTo, Agricultural IoT>
+<Retail IoT, connectedTo, User Interface for IoT Apps>
+<Security Implementation, connectedTo, AI at the Edge>
+<Smart City Sensors, connectedTo, API Development for IoT>
+<Smart City Sensors, connectedTo, Security Implementation>
+<Smart City Sensors, deploys gateways, Wearable Technology>
+<Smart Home Devices, connectedTo, API Development for IoT>
+<Smart Home Devices, connectedTo, Agricultural IoT>
+<Smart Home Devices, connectedTo, Over_the_Air Updates>
+<User Interface for IoT Apps, manufactures devices, Data Collection>
+<Wearable Technology, connectedTo, Smart Home Devices>
diff --git a/test/graphviz/graph_medium/graphviz_204.txt b/test/graphviz/graph_medium/graphviz_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55b17ccf6351c02defeb56e50d60267f9eb380ca
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_204.txt
@@ -0,0 +1,28 @@
+<AI at the Edge, connectedTo, Wearable Technology>
+<Blockchain for IoT Security, analyzes insights, Smart Home Devices>
+<Blockchain for IoT Security, connectedTo, AI at the Edge>
+<Data Analysis in Cloud, partOf, Data Analysis in Cloud>
+<Data Analysis in Cloud, prototypes devices, Remote Monitoring and Control>
+<Edge Computing for IoT, builds smart cities, Data Analysis in Cloud>
+<Edge Computing for IoT, partOf, Edge Computing for IoT>
+<Energy Management Systems, connectedTo, Smart Home Devices>
+<Energy Management Systems, connectedTo, Smart Manufacturing>
+<Gateway Development, connectedTo, User Interface for IoT Apps>
+<Network Protocol Selection, connectedTo, Gateway Development>
+<Network Protocol Selection, controls devices, AI at the Edge>
+<Over_the_Air Updates, manufactures devices, Security Implementation>
+<Power Management for Devices, connectedTo, Blockchain for IoT Security>
+<Power Management for Devices, connectedTo, Energy Management Systems>
+<Power Management for Devices, connectedTo, Smart Home Devices>
+<Remote Monitoring and Control, connectedTo, Transportation IoT>
+<Remote Monitoring and Control, partOf, Remote Monitoring and Control>
+<Retail IoT, connectedTo, Edge Computing for IoT>
+<Retail IoT, connectedTo, Network Protocol Selection>
+<Security Implementation, complies with regulations, Smart Home Devices>
+<Security Implementation, connectedTo, Blockchain for IoT Security>
+<Security Implementation, processes streams, AI at the Edge>
+<Smart Manufacturing, enables wearables, Retail IoT>
+<Transportation IoT, connectedTo, Network Protocol Selection>
+<Transportation IoT, partOf, Transportation IoT>
+<User Interface for IoT Apps, connectedTo, Over_the_Air Updates>
+<Wearable Technology, tracks assets, Smart Home Devices>
diff --git a/test/graphviz/graph_medium/graphviz_205.dot b/test/graphviz/graph_medium/graphviz_205.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1668c13a31114365254884aa8b1047f9a9c8542b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_205.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=LR
+	N0 [label="Fault Tolerance at Edge" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Local AI or ML Inference" color="#BDAFA8" fillcolor="#E4E0DF" shape=octagon style=filled]
+	N2 [label="Smart City Edge Solutions" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N3 [label="Latency Reduction" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N4 [label="Industrial Edge Computing" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N5 [label="Edge Device Provisioning" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N6 [label="Orchestration of Edge Workloads" color="#A2D0FF" fillcolor="#E8F0FF" shape=oval style=filled]
+	N7 [label="Edge_to_Cloud Data Transfer Optimization" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N8 [label="Edge Data Processing" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N9 [label="Edge Security Analytics" color="#FBC02D" fillcolor="#FFFDE7" shape=oval style=filled]
+	N10 [label="Sensor Data Aggregation" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N11 [label="Offline Functionality" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Security for Edge Devices" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Distributed Data Storage" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+		nest0_1 [label="Network Optimization for Edge" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_2 [label="Fleet Management for Edge Devices" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="provides low latency" color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="distributes workloads" color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="manages APIs" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [label="optimizes bandwidth" color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_205.txt b/test/graphviz/graph_medium/graphviz_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ce03ee1d05103f2f78d69867443d525bd9cfeb1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_205.txt
@@ -0,0 +1,24 @@
+<Distributed Data Storage, connectedTo, Network Optimization for Edge>
+<Distributed Data Storage, partOf, Distributed Data Storage>
+<Edge Data Processing, connectedTo, Edge Security Analytics>
+<Edge Data Processing, connectedTo, Offline Functionality>
+<Edge Data Processing, connectedTo, Sensor Data Aggregation>
+<Edge Device Provisioning, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Edge Device Provisioning, distributes workloads, Orchestration of Edge Workloads>
+<Edge Security Analytics, connectedTo, Distributed Data Storage>
+<Edge Security Analytics, connectedTo, Sensor Data Aggregation>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Edge Data Processing>
+<Fault Tolerance at Edge, connectedTo, Local AI or ML Inference>
+<Fleet Management for Edge Devices, connectedTo, Orchestration of Edge Workloads>
+<Fleet Management for Edge Devices, partOf, Fleet Management for Edge Devices>
+<Industrial Edge Computing, optimizes bandwidth, Edge_to_Cloud Data Transfer Optimization>
+<Industrial Edge Computing, provides low latency, Edge Device Provisioning>
+<Latency Reduction, connectedTo, Industrial Edge Computing>
+<Local AI or ML Inference, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Local AI or ML Inference, connectedTo, Latency Reduction>
+<Local AI or ML Inference, connectedTo, Smart City Edge Solutions>
+<Network Optimization for Edge, connectedTo, Fleet Management for Edge Devices>
+<Network Optimization for Edge, partOf, Network Optimization for Edge>
+<Orchestration of Edge Workloads, manages APIs, Edge_to_Cloud Data Transfer Optimization>
+<Sensor Data Aggregation, connectedTo, Offline Functionality>
+<Smart City Edge Solutions, connectedTo, Latency Reduction>
diff --git a/test/graphviz/graph_medium/graphviz_206.txt b/test/graphviz/graph_medium/graphviz_206.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ced921223183e69eee61c8190ee5ceae5b147c21
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_206.txt
@@ -0,0 +1,28 @@
+<Compliance and Governance at Edge, connectedTo, Sensor Data Aggregation>
+<Connectivity to Cloud, orchestrates containers, Healthcare Edge Computing>
+<Edge Application Development, connectedTo, Edge Device Analytics>
+<Edge Application Development, provides fault tolerance, Telecom Edge Computing>
+<Edge Data Processing, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Edge Device Provisioning, supports industrial IoT, Virtualization at Edge>
+<Edge Security Analytics, connectedTo, Compliance and Governance at Edge>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Connectivity to Cloud>
+<Event_Driven Architectures at Edge, connectedTo, Power Consumption Optimization>
+<Event_Driven Architectures at Edge, partOf, Event_Driven Architectures at Edge>
+<Healthcare Edge Computing, connectedTo, Edge Security Analytics>
+<Local AI or ML Inference, connectedTo, Connectivity to Cloud>
+<Local AI or ML Inference, connectedTo, Edge Application Development>
+<Local AI or ML Inference, connectedTo, Edge Device Provisioning>
+<Local AI or ML Inference, connectedTo, Healthcare Edge Computing>
+<Local AI or ML Inference, connectedTo, Power Consumption Optimization>
+<Local AI or ML Inference, develops applications, Edge Security Analytics>
+<Local AI or ML Inference, filters data, Edge Data Processing>
+<Power Consumption Optimization, connectedTo, Connectivity to Cloud>
+<Power Consumption Optimization, implements virtual machines, Edge Data Processing>
+<Security for Edge Devices, connectedTo, Connectivity to Cloud>
+<Security for Edge Devices, connectedTo, Power Consumption Optimization>
+<Sensor Data Aggregation, connectedTo, Edge Application Development>
+<Smart City Edge Solutions, connectedTo, Event_Driven Architectures at Edge>
+<Smart City Edge Solutions, partOf, Smart City Edge Solutions>
+<Telecom Edge Computing, connectedTo, Smart City Edge Solutions>
+<Telecom Edge Computing, partOf, Telecom Edge Computing>
+<Virtualization at Edge, connectedTo, Security for Edge Devices>
diff --git a/test/graphviz/graph_medium/graphviz_207.dot b/test/graphviz/graph_medium/graphviz_207.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8951010d4e4fd5ee1bddc13ef6b551150446f700
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_207.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=TD
+	N0 [label="Fault Tolerance at Edge" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Edge Gateway Management" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N2 [label="Orchestration of Edge Workloads" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N3 [label="Telecom Edge Computing" color="#AB47BC" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N4 [label="Event_Driven Architectures at Edge" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N5 [label="Data Filtering at Edge" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N6 [label="Latency Reduction" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N7 [label="Local AI or ML Inference" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N8 [label="Edge Security Analytics" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N9 [label="Power Consumption Optimization" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N10 [label="Network Optimization for Edge" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N11 [label="Industrial Edge Computing" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N12 [label="Real_time Analytics at Edge" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N13 [label="Virtualization at Edge" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N14 [label="Edge Application Development" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	S0 [label="" color="#AB47BC" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Containerization at Edge" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Resource Management at Edge" color="#CD8FF2" fillcolor="#ECCFF5" shape=octagon style=filled]
+		nest0_1 [label="Healthcare Edge Computing" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+		nest0_2 [label="Remote Device Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest0_0 -> nest0_1 [label="provides low latency" color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="aggregates data" color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="supports industrial IoT" color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="designs architectures" color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="develops applications" color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label="stores data temporarily" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N14 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label="powers healthcare devices" color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_207.txt b/test/graphviz/graph_medium/graphviz_207.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1b6571872fd9bc6e5171f2fca92dd13f359f85d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_207.txt
@@ -0,0 +1,25 @@
+<Data Filtering at Edge, develops applications, Latency Reduction>
+<Edge Gateway Management, connectedTo, Orchestration of Edge Workloads>
+<Edge Gateway Management, connectedTo, Telecom Edge Computing>
+<Edge Security Analytics, connectedTo, Power Consumption Optimization>
+<Event_Driven Architectures at Edge, connectedTo, Data Filtering at Edge>
+<Fault Tolerance at Edge, powers healthcare devices, Telecom Edge Computing>
+<Fault Tolerance at Edge, supports industrial IoT, Edge Gateway Management>
+<Healthcare Edge Computing, aggregates data, Remote Device Management>
+<Healthcare Edge Computing, partOf, Healthcare Edge Computing>
+<Industrial Edge Computing, connectedTo, Real_time Analytics at Edge>
+<Latency Reduction, connectedTo, Local AI or ML Inference>
+<Latency Reduction, connectedTo, Resource Management at Edge>
+<Local AI or ML Inference, connectedTo, Edge Security Analytics>
+<Network Optimization for Edge, stores data temporarily, Industrial Edge Computing>
+<Orchestration of Edge Workloads, connectedTo, Edge Security Analytics>
+<Orchestration of Edge Workloads, connectedTo, Network Optimization for Edge>
+<Orchestration of Edge Workloads, designs architectures, Telecom Edge Computing>
+<Power Consumption Optimization, connectedTo, Network Optimization for Edge>
+<Real_time Analytics at Edge, connectedTo, Virtualization at Edge>
+<Remote Device Management, connectedTo, Edge Application Development>
+<Remote Device Management, partOf, Remote Device Management>
+<Resource Management at Edge, partOf, Resource Management at Edge>
+<Resource Management at Edge, provides low latency, Healthcare Edge Computing>
+<Telecom Edge Computing, connectedTo, Event_Driven Architectures at Edge>
+<Virtualization at Edge, connectedTo, Edge Application Development>
diff --git a/test/graphviz/graph_medium/graphviz_208.txt b/test/graphviz/graph_medium/graphviz_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e623c490b6de80226f7993428160ddde091c19e9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_208.txt
@@ -0,0 +1,22 @@
+<Big Data Services in Cloud, connectedTo, Load Balancing in Cloud>
+<CI or CD Pipelines in Cloud, connectedTo, Cloud Vendor Lock_in Mitigation>
+<Cloud Backup Solutions, connectedTo, Cloud Migration Strategy>
+<Cloud Backup Solutions, connectedTo, Compliance in Cloud>
+<Cloud Migration Strategy, connectedTo, Data Storage in Cloud>
+<Cloud Migration Strategy, partOf, Cloud Migration Strategy>
+<Cloud_based VPN Setup, enables autoscaling, Private Cloud Management>
+<Compliance in Cloud, connectedTo, Cloud Vendor Lock_in Mitigation>
+<Compliance in Cloud, connectedTo, Database as a Service>
+<Compliance in Cloud, manages VMs, CI or CD Pipelines in Cloud>
+<Cost Optimization in Cloud, connectedTo, Big Data Services in Cloud>
+<Data Storage in Cloud, connectedTo, Identity and Access Management>
+<Data Storage in Cloud, partOf, Data Storage in Cloud>
+<Database as a Service, connectedTo, CI or CD Pipelines in Cloud>
+<Identity and Access Management, partOf, Identity and Access Management>
+<Identity and Access Management, uses marketplaces, Cloud Backup Solutions>
+<Load Balancing in Cloud, connectedTo, Resource Tagging for Cost Allocation>
+<Private Cloud Management, connectedTo, Cost Optimization in Cloud>
+<Resource Tagging for Cost Allocation, connectedTo, Cloud Backup Solutions>
+<Virtual Machine Management, deploys private clouds, Cloud_based VPN Setup>
+<Virtual Machine Management, monitors performance, Database as a Service>
+<Virtual Machine Management, sets up VPNs, Cost Optimization in Cloud>
diff --git a/test/graphviz/graph_medium/graphviz_209.dot b/test/graphviz/graph_medium/graphviz_209.dot
new file mode 100644
index 0000000000000000000000000000000000000000..814e5cc35b4616c1a353637f9417876476961785
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_209.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Infrastructure as a Service" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N1 [label="Cloud Monitoring and Logging" color="#673AB7" fillcolor="#D1C4E9" shape=folder style=filled]
+	N2 [label="Private Cloud Management" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+	N3 [label="Load Balancing in Cloud" color="#BCB88A" fillcolor="#F5F5DC" shape=Mdiamond style=filled]
+	N4 [label="Hybrid Cloud Deployment" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N5 [label="Multi_Cloud Management" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N6 [label="Cloud Backup Solutions" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	S0 [label="" color="#FFC107" fillcolor="#FFECB3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Public Cloud Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cloud Security" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest0_1 [label="Container Orchestration" color="#673AB7" fillcolor="#D1C4E9" shape=plaintext style=filled]
+		nest0_2 [label="Cloud Governance" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="manages IAMs" color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="enables autoscaling" color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="integrates edge" color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [label="manages load balancing" color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label="offers MLaaS" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_21.dot b/test/graphviz/graph_medium/graphviz_21.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d87f4b52a36ef95a50c914afce9fe5a03d8b7a9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_21.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=BT
+	N0 [label="Energy Infrastructure Planning" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label="Energy Storage" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N2 [label="Voltage Regulation" color="#66BB6A" fillcolor="#E8F5E9" shape=oval style=filled]
+	N3 [label="Substation Automation" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N4 [label="Consumption Logging" color="#4285F4" fillcolor="#D0E0F8" shape=folder style=filled]
+	N5 [label="Alert Dispatch" color="#4285F4" fillcolor="#D0E0F8" shape=folder style=filled]
+	N6 [label="Transmission Line Maintenance" color="#66BB6A" fillcolor="#E8F5E9" shape=octagon style=filled]
+	N7 [label="Nuclear Reactor Control" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#4285F4" fillcolor="#D0E0F8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Load Shedding" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Wind Turbine Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=plaintext style=filled]
+		nest0_1 [label="Distributed Generation Management" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="backs up" color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=trades color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=secures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=consumes color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_21.txt b/test/graphviz/graph_medium/graphviz_21.txt
new file mode 100644
index 0000000000000000000000000000000000000000..653d364948c3c9d0634f9c73fafa0fc2fd9ab59e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_21.txt
@@ -0,0 +1,16 @@
+<Alert Dispatch, connectedTo, Nuclear Reactor Control>
+<Alert Dispatch, consumes, Transmission Line Maintenance>
+<Consumption Logging, secures, Alert Dispatch>
+<Distributed Generation Management, connectedTo, Energy Storage>
+<Distributed Generation Management, partOf, Distributed Generation Management>
+<Energy Infrastructure Planning, connectedTo, Energy Storage>
+<Energy Infrastructure Planning, connectedTo, Nuclear Reactor Control>
+<Energy Storage, connectedTo, Nuclear Reactor Control>
+<Energy Storage, connectedTo, Transmission Line Maintenance>
+<Energy Storage, connectedTo, Voltage Regulation>
+<Energy Storage, connectedTo, Wind Turbine Monitoring>
+<Substation Automation, trades, Consumption Logging>
+<Transmission Line Maintenance, connectedTo, Nuclear Reactor Control>
+<Voltage Regulation, backs up, Substation Automation>
+<Wind Turbine Monitoring, connectedTo, Distributed Generation Management>
+<Wind Turbine Monitoring, partOf, Wind Turbine Monitoring>
diff --git a/test/graphviz/graph_medium/graphviz_210.dot b/test/graphviz/graph_medium/graphviz_210.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0bca6eaacf3c1fc7a45f402baeada00080744bab
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_210.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=LR
+	N0 [label="Disaster Recovery in Cloud" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Cloud Security" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N2 [label="Auto_Scaling Configurations" color="#8C9EFF" fillcolor="#D3D7EB" shape=Mdiamond style=filled]
+	N3 [label="Cloud Automation" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N4 [label="Cloud_based VPN Setup" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N5 [label="Software as a Service" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N6 [label="Machine Learning as a Service" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N7 [label="API Management in Cloud" color="#81C784" fillcolor="#F1F8E9" shape=folder style=filled]
+	N8 [label="Cloud Governance" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N9 [label="Virtual Machine Management" color="#81C784" fillcolor="#F1F8E9" shape=oval style=filled]
+	N10 [label="Edge_to_Cloud Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N11 [label="Cloud Migration Strategy" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N12 [label="Database as a Service" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N13 [label="Cloud Backup Solutions" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N14 [label="Data Storage in Cloud" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Container Orchestration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="CI or CD Pipelines in Cloud" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_1 [label="Public Cloud Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest0_2 [label="Big Data Services in Cloud" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="processes big data" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="enables autoscaling" color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="migrates workloads" color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="ensures governance" color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="automates tasks" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="audits usage" color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label="monitors performance" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [label="implements DR" color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [label="offers MLaaS" color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_211.dot b/test/graphviz/graph_medium/graphviz_211.dot
new file mode 100644
index 0000000000000000000000000000000000000000..22e926e866d773545c2c6ac80a5526c6fe7b449f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_211.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=RL
+	N0 [label="Group Policy Management" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Network Design" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N2 [label="Monitoring and Alerting" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N3 [label="Storage Solutions" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N4 [label="Capacity Planning" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N5 [label="User Account Management" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N6 [label="Data Center Management" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N7 [label=Virtualization color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N8 [label="Web Server Configuration" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N9 [label="Hardware Procurement" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	S0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Disaster Recovery Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="VPN Configuration" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest0_1 [label="DNS Management" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="designs networks" color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="manages storage" color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="virtualizes resources" color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="integrates clouds" color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N9 [label="troubleshoots issues" color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label="configures firewalls" color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label="performs backups" color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_212.dot b/test/graphviz/graph_medium/graphviz_212.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9b1be59fe31315188bf06211b8c7713c69fa5fdc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_212.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=LR
+	N0 [label="Automation Scripting" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N1 [label="IT Asset Management" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N2 [label="VPN Configuration" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N3 [label="Directory Services" color="#03A9F4" fillcolor="#B3E5FC" shape=folder style=filled]
+	N4 [label="Hardware Procurement" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N5 [label="Server Deployment" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N6 [label="Storage Solutions" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N7 [label="System Administration" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N8 [label="Firewall Management" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N9 [label="Network Performance Tuning" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#AABEC6" fillcolor="#E0E6E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label=Virtualization labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="DNS Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest0_1 [label="Web Server Configuration" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="ensures business continuity" color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="administers databases" color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="manages remote access" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label="manages licenses" color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N4 [label="monitors performance" color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_213.txt b/test/graphviz/graph_medium/graphviz_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d45324d678205745c610011b8eadb32de8d0a741
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_213.txt
@@ -0,0 +1,20 @@
+<Access Control Systems, connectedTo, Patch Management>
+<Access Control Systems, plans capacity, Virtual Desktop Infrastructure>
+<Antivirus and Endpoint Protection, connectedTo, Data Center Management>
+<Cloud Integration with On_premise, connectedTo, Antivirus and Endpoint Protection>
+<Network Performance Tuning, connectedTo, Troubleshooting and Support>
+<Patch Management, connectedTo, Troubleshooting and Support>
+<Patch Management, connectedTo, Web Server Configuration>
+<Proxy Server Configuration, connectedTo, Patch Management>
+<Proxy Server Configuration, connectedTo, Rack and Cabinet Management>
+<Rack and Cabinet Management, connectedTo, Access Control Systems>
+<Rack and Cabinet Management, connectedTo, Patch Management>
+<Server Deployment, connectedTo, Network Performance Tuning>
+<Server Deployment, partOf, Server Deployment>
+<Troubleshooting and Support, connectedTo, Antivirus and Endpoint Protection>
+<Troubleshooting and Support, installs racks, Data Center Management>
+<Troubleshooting and Support, sets up DNS, Cloud Integration with On_premise>
+<Virtual Desktop Infrastructure, configures firewalls, Server Deployment>
+<Virtual Desktop Infrastructure, partOf, Virtual Desktop Infrastructure>
+<Web Server Configuration, configures web servers, Network Performance Tuning>
+<Web Server Configuration, connectedTo, Troubleshooting and Support>
diff --git a/test/graphviz/graph_medium/graphviz_214.dot b/test/graphviz/graph_medium/graphviz_214.dot
new file mode 100644
index 0000000000000000000000000000000000000000..352eaf1770d32bec3387f49b711db7ced5d1b4c2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_214.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=LR
+	N0 [label=GitOps color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Secrets Management" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N2 [label="Automated Deployment" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N3 [label="Automated Testing" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+	N4 [label="Cloud Native Development" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N5 [label="Code Quality Checks" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N6 [label=Containerization color="#FFDA4E" fillcolor="#FFE88D" shape=plaintext style=filled]
+	N7 [label="Container Orchestration" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+	N8 [label=ChatOps color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Feedback Loops" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cross_Functional Team Collaboration" color="#9FA9E1" fillcolor="#D6D9F0" shape=octagon style=filled]
+		nest0_1 [label="Continuous Delivery" color="#FFDA4E" fillcolor="#FFE88D" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="performs rollbacks" color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="deploys releases" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label="fosters cross_functional teams" color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_214.txt b/test/graphviz/graph_medium/graphviz_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28d0eee0033c36a440e08b02ce270d8a7cc878c3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_214.txt
@@ -0,0 +1,18 @@
+<Automated Deployment, connectedTo, Automated Testing>
+<Automated Deployment, connectedTo, Cross_Functional Team Collaboration>
+<Automated Testing, connectedTo, Containerization>
+<Automated Testing, performs rollbacks, Cloud Native Development>
+<Cloud Native Development, connectedTo, Containerization>
+<Cloud Native Development, deploys releases, Code Quality Checks>
+<Code Quality Checks, connectedTo, Containerization>
+<Container Orchestration, connectedTo, ChatOps>
+<Containerization, connectedTo, Container Orchestration>
+<Continuous Delivery, connectedTo, Automated Testing>
+<Continuous Delivery, partOf, Continuous Delivery>
+<Cross_Functional Team Collaboration, connectedTo, Continuous Delivery>
+<Cross_Functional Team Collaboration, partOf, Cross_Functional Team Collaboration>
+<GitOps, connectedTo, Secrets Management>
+<Secrets Management, connectedTo, Automated Deployment>
+<Secrets Management, connectedTo, Automated Testing>
+<Secrets Management, connectedTo, Code Quality Checks>
+<Secrets Management, fosters cross_functional teams, Containerization>
diff --git a/test/graphviz/graph_medium/graphviz_216.txt b/test/graphviz/graph_medium/graphviz_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a679a1d8d23cee5a13799a5ddfc29549c8c5e9f8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_216.txt
@@ -0,0 +1,25 @@
+<Automated Deployment, connectedTo, GitOps>
+<Automated Rollbacks, connectedTo, Chaos Engineering>
+<Canary Releases, configures environments, Feedback Loops>
+<Canary Releases, connectedTo, Continuous Delivery>
+<Canary Releases, partOf, Canary Releases>
+<Chaos Engineering, connectedTo, Static Code Analysis>
+<ChatOps, uses serverless, Automated Rollbacks>
+<Code Quality Checks, enables CD, Security in DevOps>
+<Continuous Delivery, accelerates delivery, Observability Implementation>
+<Continuous Delivery, partOf, Continuous Delivery>
+<Continuous Integration, implements CI, Secrets Management>
+<Feedback Loops, connectedTo, Automated Deployment>
+<Feedback Loops, connectedTo, Canary Releases>
+<GitOps, connectedTo, Automated Rollbacks>
+<GitOps, connectedTo, ChatOps>
+<GitOps, monitors applications, Static Code Analysis>
+<Infrastructure as Code, automates tests, Static Code Analysis>
+<Infrastructure as Code, connectedTo, ChatOps>
+<Infrastructure as Code, optimizes costs, Monitoring and Logging>
+<Monitoring and Logging, connectedTo, Feedback Loops>
+<Observability Implementation, collects metrics, Infrastructure as Code>
+<Observability Implementation, partOf, Observability Implementation>
+<Secrets Management, connectedTo, Infrastructure as Code>
+<Security in DevOps, connectedTo, Continuous Integration>
+<Static Code Analysis, connectedTo, Feature Flags>
diff --git a/test/graphviz/graph_medium/graphviz_217.dot b/test/graphviz/graph_medium/graphviz_217.dot
new file mode 100644
index 0000000000000000000000000000000000000000..abebfce3792e34e43abdf1162c0359ba81bda902
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_217.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="Testing Frameworks" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label=Containerization color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Continuous Integration" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N3 [label=Coding color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N4 [label="Compiler Design" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label="Desktop Application Development" color="#66BB6A" fillcolor="#E8F5E9" shape=octagon style=filled]
+	N6 [label="System Design" color="#388E3C" fillcolor="#F1F8E9" shape=octagon style=filled]
+	N7 [label="Technical Debt Management" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N8 [label="Web Application Development" color="#9575CD" fillcolor="#EDE7F6" shape=oval style=filled]
+	N9 [label="User Experience Design" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N10 [label="Agile Methodologies" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Frontend Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Continuous Delivery" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+		nest0_1 [label="Performance Optimization" color="#388E3C" fillcolor="#F1F8E9" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="gathers requirements" color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="fixes bugs" color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [label="creates UIs" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N5 [label="optimizes performance" color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N7 [label="manages versions" color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N3 [label="uses containers" color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_217.txt b/test/graphviz/graph_medium/graphviz_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19d12dab9f243c9bdbdf7981419c452dcc3a063e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_217.txt
@@ -0,0 +1,21 @@
+<Coding, connectedTo, Compiler Design>
+<Compiler Design, connectedTo, Desktop Application Development>
+<Containerization, connectedTo, Continuous Delivery>
+<Containerization, connectedTo, Continuous Integration>
+<Containerization, optimizes performance, Desktop Application Development>
+<Continuous Delivery, connectedTo, Performance Optimization>
+<Continuous Delivery, connectedTo, System Design>
+<Continuous Delivery, partOf, Continuous Delivery>
+<Continuous Integration, connectedTo, Coding>
+<Continuous Integration, manages versions, Technical Debt Management>
+<Desktop Application Development, connectedTo, System Design>
+<Desktop Application Development, connectedTo, Web Application Development>
+<Desktop Application Development, creates UIs, Agile Methodologies>
+<Desktop Application Development, uses containers, Coding>
+<Performance Optimization, connectedTo, Technical Debt Management>
+<Performance Optimization, partOf, Performance Optimization>
+<System Design, connectedTo, Technical Debt Management>
+<Technical Debt Management, fixes bugs, Web Application Development>
+<Testing Frameworks, gathers requirements, Containerization>
+<User Experience Design, connectedTo, Agile Methodologies>
+<Web Application Development, connectedTo, User Experience Design>
diff --git a/test/graphviz/graph_medium/graphviz_218.txt b/test/graphviz/graph_medium/graphviz_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..150c81d111953484ca74aeeab267207b9aeac701
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_218.txt
@@ -0,0 +1,23 @@
+<Agile Methodologies, connectedTo, Data Structures Implementation>
+<Algorithm Design, connectedTo, Performance Optimization>
+<Architecture Planning, develops web apps, Maintenance>
+<Continuous Integration, connectedTo, Performance Optimization>
+<Continuous Integration, partOf, Continuous Integration>
+<Data Structures Implementation, optimizes performance, Game Development>
+<Desktop Application Development, connectedTo, Testing Frameworks>
+<Frontend Development, connectedTo, Architecture Planning>
+<Game Development, connectedTo, Microservices Architecture>
+<Game Development, connectedTo, User Experience Design>
+<Maintenance, architects systems, Algorithm Design>
+<Microservices Architecture, connectedTo, Frontend Development>
+<Microservices Architecture, connectedTo, Maintenance>
+<Microservices Architecture, integrates modules, Architecture Planning>
+<Performance Optimization, designs UXs, Desktop Application Development>
+<Security Hardening, designs games, Technical Debt Management>
+<Security Hardening, partOf, Security Hardening>
+<Technical Debt Management, connectedTo, Continuous Integration>
+<Technical Debt Management, partOf, Technical Debt Management>
+<Testing Frameworks, connectedTo, Desktop Application Development>
+<User Experience Design, connectedTo, Security Hardening>
+<User Experience Design, creates mobile apps, Architecture Planning>
+<User Experience Design, partOf, User Experience Design>
diff --git a/test/graphviz/graph_medium/graphviz_219.txt b/test/graphviz/graph_medium/graphviz_219.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ad56c63cf75ab83ee56fdcd7f107855f35010ffd
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_219.txt
@@ -0,0 +1,22 @@
+<API Development, connectedTo, Continuous Delivery>
+<API Development, partOf, API Development>
+<Agile Methodologies, connectedTo, Coding>
+<Algorithm Design, connectedTo, Agile Methodologies>
+<Algorithm Design, connectedTo, Bug Fixing>
+<Backend Development, connectedTo, Web Application Development>
+<Backend Development, implements CI, Coding>
+<Backend Development, tests systems, Agile Methodologies>
+<Bug Fixing, connectedTo, Agile Methodologies>
+<Bug Fixing, creates UIs, Coding>
+<Code Review, integrates modules, Algorithm Design>
+<Continuous Delivery, connectedTo, Bug Fixing>
+<Continuous Delivery, partOf, Continuous Delivery>
+<Integration Testing, partOf, Integration Testing>
+<Integration Testing, uses frameworks, API Development>
+<User Experience Design, connectedTo, Agile Methodologies>
+<User Experience Design, connectedTo, Code Review>
+<User Experience Design, connectedTo, Coding>
+<Web Application Development, connectedTo, Bug Fixing>
+<Web Application Development, connectedTo, Code Review>
+<Web Application Development, connectedTo, Integration Testing>
+<Web Application Development, connectedTo, User Experience Design>
diff --git a/test/graphviz/graph_medium/graphviz_22.txt b/test/graphviz/graph_medium/graphviz_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5857692d18dbb191dc89ea489fb32804aeb2758
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_22.txt
@@ -0,0 +1,23 @@
+<Amicus Brief Submission, testifies, Evidence Collection>
+<Bankruptcy Filing, represents, Amicus Brief Submission>
+<Case Filing, advises, Amicus Brief Submission>
+<Case Filing, connectedTo, Cross_Examination>
+<Case Filing, connectedTo, Due Diligence>
+<Corporate Formation, submits, Bankruptcy Filing>
+<Court Order Execution, connectedTo, Case Filing>
+<Court Order Execution, partOf, Court Order Execution>
+<Cross_Examination, connectedTo, Corporate Formation>
+<Due Diligence, connectedTo, Cross_Examination>
+<Enforcement, hears, Court Order Execution>
+<Enforcement, partOf, Enforcement>
+<Evidence Collection, connectedTo, Estate Planning>
+<Evidence Collection, connectedTo, Judgment Writing>
+<Judgment Writing, connectedTo, Witness Testimony>
+<Judgment Writing, partOf, Judgment Writing>
+<Pre_Trial Hearing, connectedTo, Amicus Brief Submission>
+<Pre_Trial Hearing, connectedTo, Case Filing>
+<Pre_Trial Hearing, connectedTo, Evidence Collection>
+<Pre_Trial Hearing, negotiates, Cross_Examination>
+<Pre_Trial Hearing, notarizes, Amicus Brief Submission>
+<Witness Testimony, partOf, Witness Testimony>
+<Witness Testimony, protects, Enforcement>
diff --git a/test/graphviz/graph_medium/graphviz_220.dot b/test/graphviz/graph_medium/graphviz_220.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c7caaddc8043a9fd20d729253e03cddc80630320
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_220.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=RL
+	N0 [label="Regulatory Compliance" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N1 [label="Circuit Design" color="#FFC085" fillcolor="#FFDAB9" shape=oval style=filled]
+	N2 [label="Power Integrity Analysis" color="#B8C0F5" fillcolor="#ECF0FD" shape=plaintext style=filled]
+	N3 [label="Thermal Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N4 [label="Test Fixture Design" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N5 [label="Environmental Testing" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N6 [label="Electromagnetic Compatibility Testing" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Component Selection" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Prototyping color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+		nest0_1 [label="Actuator Control" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_2 [label="FPGA Design" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+		nest0_3 [label="Low_Power Design" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label="manages cables" color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="integrates sensors" color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="troubleshoots issues" color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [label="optimizes for low power" color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [label="designs mechanicals" color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [label="supervises assembly" color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label="tests hardware" color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_220.txt b/test/graphviz/graph_medium/graphviz_220.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba08f28f5da4f723075b88ab903e691d1e22b244
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_220.txt
@@ -0,0 +1,21 @@
+<Actuator Control, connectedTo, FPGA Design>
+<Actuator Control, partOf, Actuator Control>
+<Circuit Design, connectedTo, Electromagnetic Compatibility Testing>
+<Circuit Design, connectedTo, Power Integrity Analysis>
+<Circuit Design, connectedTo, Thermal Management>
+<Circuit Design, tests hardware, Thermal Management>
+<Environmental Testing, troubleshoots issues, Electromagnetic Compatibility Testing>
+<FPGA Design, connectedTo, Low_Power Design>
+<FPGA Design, partOf, FPGA Design>
+<Low_Power Design, connectedTo, Thermal Management>
+<Low_Power Design, partOf, Low_Power Design>
+<Power Integrity Analysis, connectedTo, Prototyping>
+<Power Integrity Analysis, connectedTo, Thermal Management>
+<Power Integrity Analysis, designs mechanicals, Environmental Testing>
+<Power Integrity Analysis, optimizes for low power, Test Fixture Design>
+<Prototyping, manages cables, Actuator Control>
+<Prototyping, partOf, Prototyping>
+<Regulatory Compliance, connectedTo, Circuit Design>
+<Regulatory Compliance, supervises assembly, Thermal Management>
+<Test Fixture Design, integrates sensors, Environmental Testing>
+<Thermal Management, connectedTo, Test Fixture Design>
diff --git a/test/graphviz/graph_medium/graphviz_221.dot b/test/graphviz/graph_medium/graphviz_221.dot
new file mode 100644
index 0000000000000000000000000000000000000000..171d10ffb313441804f645685f3e08d38ea4ad3e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_221.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=BT
+	N0 [label="Sensor Integration" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Schematic Capture" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N2 [label="Mixed_Signal Design" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N3 [label="RF Circuit Design" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+	N4 [label="Actuator Control" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N5 [label="Test Fixture Design" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N6 [label="Environmental Testing" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N7 [label="Manufacturing Process Planning" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N8 [label="Testing and Validation" color="#AF56A6" fillcolor="#DDCEDD" shape=plaintext style=filled]
+	N9 [label="Cost Optimization" color="#FFE470" fillcolor="#FFFAE0" shape=plaintext style=filled]
+	N10 [label="Thermal Management" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N11 [label="Reliability Testing" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N12 [label="Signal Integrity Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#7986CB" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Power Management Design" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Circuit Design" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+		nest0_1 [label="Failure Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+		nest0_2 [label="Quality Control" color="#7986CB" fillcolor="#E8EAF6" shape=plaintext style=filled]
+		nest0_3 [label="Reverse Engineering" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label="analyzes failures" color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="develops ASICs" color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="optimizes costs" color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="designs FPGAs" color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_1 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_221.txt b/test/graphviz/graph_medium/graphviz_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..011c4ae935f70402b88191f25c614bf3787ddbf6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_221.txt
@@ -0,0 +1,26 @@
+<Actuator Control, connectedTo, Test Fixture Design>
+<Circuit Design, analyzes failures, Failure Analysis>
+<Circuit Design, partOf, Circuit Design>
+<Cost Optimization, connectedTo, Thermal Management>
+<Environmental Testing, connectedTo, Manufacturing Process Planning>
+<Environmental Testing, connectedTo, Reliability Testing>
+<Environmental Testing, connectedTo, Signal Integrity Analysis>
+<Failure Analysis, develops ASICs, Quality Control>
+<Failure Analysis, partOf, Failure Analysis>
+<Manufacturing Process Planning, connectedTo, Testing and Validation>
+<Mixed_Signal Design, designs FPGAs, RF Circuit Design>
+<Quality Control, connectedTo, Reverse Engineering>
+<Quality Control, partOf, Quality Control>
+<RF Circuit Design, connectedTo, Actuator Control>
+<Reliability Testing, connectedTo, Signal Integrity Analysis>
+<Reverse Engineering, connectedTo, Test Fixture Design>
+<Reverse Engineering, partOf, Reverse Engineering>
+<Schematic Capture, connectedTo, Mixed_Signal Design>
+<Sensor Integration, connectedTo, Thermal Management>
+<Sensor Integration, optimizes costs, Schematic Capture>
+<Test Fixture Design, connectedTo, Environmental Testing>
+<Test Fixture Design, connectedTo, Thermal Management>
+<Testing and Validation, connectedTo, Cost Optimization>
+<Testing and Validation, connectedTo, Failure Analysis>
+<Thermal Management, connectedTo, Circuit Design>
+<Thermal Management, connectedTo, Reliability Testing>
diff --git a/test/graphviz/graph_medium/graphviz_222.dot b/test/graphviz/graph_medium/graphviz_222.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e9b1b68d38108e4b1c1bb1556e2b49bea45f4dba
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_222.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Power Integrity Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label="Assembly Line Optimization" color="#4DD0E1" fillcolor="#C9F0F0" shape=octagon style=filled]
+	N2 [label="ASIC Design" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N3 [label="FPGA Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Mechanical Design Integration" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+	N5 [label="Actuator Control" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N6 [label=Prototyping color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N7 [label=Documentation color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N8 [label="Component Selection" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N9 [label="Sensor Integration" color="#FF9800" fillcolor="#FFE0B2" shape=oval style=filled]
+	N10 [label="Low_Power Design" color="#66BB6A" fillcolor="#E8F5E9" shape=Mdiamond style=filled]
+	N11 [label="RF Circuit Design" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Circuit Design" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Test Fixture Design" color="#66BB6A" fillcolor="#E8F5E9" shape=plaintext style=filled]
+		nest0_1 [label="Firmware Development" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+		nest0_2 [label="Reliability Testing" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest0_3 [label="Reverse Engineering" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="designs for high speed" color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="ensures quality" color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="troubleshoots issues" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="programs microcontrollers" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label="manages cables" color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label="supervises assembly" color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_223.dot b/test/graphviz/graph_medium/graphviz_223.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6bfecbbc27e50759a0f35afceadefdc2d4b75b19
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_223.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label="Camera Integration" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Accessibility Features" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N2 [label="Crash Reporting" color="#73C6BC" fillcolor="#D0EFEE" shape=folder style=filled]
+	N3 [label="Microphone Integration" color="#61CAC3" fillcolor="#C2E8E6" shape=octagon style=filled]
+	N4 [label="User Interface Design" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N5 [label=Prototyping color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N6 [label="User Experience Design" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N7 [label="Real_time Communication Features" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N8 [label="Geolocation Services" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N9 [label="Updates and Maintenance" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	S0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="API Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Wireframing color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_1 [label="Testing and Debugging" color="#73C6BC" fillcolor="#D0EFEE" shape=plaintext style=filled]
+		nest0_2 [label="Ad Monetization" color="#73C6BC" fillcolor="#D0EFEE" shape=octagon style=filled]
+		nest0_3 [label="Performance Optimization" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N8 [label="develops AR or VR features" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [label="conducts tests" color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label="optimizes performance" color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label="optimizes ASO" color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_225.txt b/test/graphviz/graph_medium/graphviz_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c51d1ae23fb435c1608c3198cb3d4209ec49b16
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_225.txt
@@ -0,0 +1,23 @@
+<API Development, connectedTo, Crash Reporting>
+<API Development, connectedTo, User Interface Design>
+<Accessibility Features, builds prototypes, IoT Device Control via App>
+<Accessibility Features, partOf, Accessibility Features>
+<Analytics Tracking, connectedTo, Crash Reporting>
+<Analytics Tracking, connectedTo, Deep Linking>
+<Analytics Tracking, connectedTo, Testing and Debugging>
+<Biometric Authentication, connectedTo, Crash Reporting>
+<Biometric Authentication, partOf, Biometric Authentication>
+<Deep Linking, connectedTo, Accessibility Features>
+<Deep Linking, connectedTo, Gamification Elements>
+<Deep Linking, connectedTo, Testing and Debugging>
+<Deep Linking, implements notifications, Crash Reporting>
+<Gamification Elements, concepts ideas, Crash Reporting>
+<IoT Device Control via App, partOf, IoT Device Control via App>
+<IoT Device Control via App, processes payments, Biometric Authentication>
+<Performance Optimization, connectedTo, Crash Reporting>
+<Performance Optimization, connectedTo, Wearable Device Integration>
+<Real_time Communication Features, connectedTo, API Development>
+<Real_time Communication Features, uses microphone, Crash Reporting>
+<Testing and Debugging, manages permissions, Gamification Elements>
+<User Interface Design, integrates in_app purchases, Analytics Tracking>
+<Wearable Device Integration, connectedTo, Real_time Communication Features>
diff --git a/test/graphviz/graph_medium/graphviz_226.dot b/test/graphviz/graph_medium/graphviz_226.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7b647a9a352824b6e19031c8947d1fff961ec184
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_226.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=LR
+	N0 [label="Scheduling Posts" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Content Strategy" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N2 [label="Polls and Quizzes Creation" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N3 [label="Community Management" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N4 [label="Content Moderation" color="#F06292" fillcolor="#FCE4EC" shape=folder style=filled]
+	N5 [label=Cross_Promotion color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N6 [label="Social Listening" color="#F06292" fillcolor="#FCE4EC" shape=octagon style=filled]
+	N7 [label="Paid Social Media Advertising" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Partnership Management on Social" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Live Streaming on Social Media" color="#AABEC6" fillcolor="#E0E6E9" shape=folder style=filled]
+		nest0_1 [label="Hashtag Research" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest0_2 [label="Crisis Communication Plan" color="#AABEC6" fillcolor="#E0E6E9" shape=octagon style=filled]
+		nest0_3 [label="Customer Service on Social Media" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label="hosts live streams" color="#F06292" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label="develops strategies" color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="measures reach" color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="cross_promotes content" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="manages campaigns" color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label="schedules posts" color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_228.dot b/test/graphviz/graph_medium/graphviz_228.dot
new file mode 100644
index 0000000000000000000000000000000000000000..34d1b0b25997403044f197ff058059199ed26cfd
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_228.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=RL
+	N0 [label="Paid Social Media Advertising" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N1 [label="Content Strategy" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N2 [label="Campaign Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Social Listening" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N4 [label="Story Format Content Creation" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N5 [label="Brand Voice Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+	N6 [label="Social Selling" color="#4FC3F7" fillcolor="#E1F5FE" shape=oval style=filled]
+	N7 [label="Content Moderation" color="#92C79A" fillcolor="#E8F0EA" shape=octagon style=filled]
+	N8 [label=Cross_Promotion color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	S0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Platform Algorithm Understanding" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Performance Analytics" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+		nest0_1 [label="Engagement Rate Calculation" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+		nest0_2 [label="Audience Engagement" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="creates stories" color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label="collaborates with influencers" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [label="generates reports" color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [label="produces reels" color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_228.txt b/test/graphviz/graph_medium/graphviz_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a225b80e5f3d246ff4047b73b7867ddb42ebd46
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_228.txt
@@ -0,0 +1,22 @@
+<Audience Engagement, connectedTo, Social Selling>
+<Audience Engagement, partOf, Audience Engagement>
+<Brand Voice Development, creates stories, Social Selling>
+<Brand Voice Development, produces reels, Cross_Promotion>
+<Campaign Management, connectedTo, Social Listening>
+<Content Moderation, collaborates with influencers, Cross_Promotion>
+<Content Strategy, connectedTo, Campaign Management>
+<Content Strategy, connectedTo, Cross_Promotion>
+<Engagement Rate Calculation, connectedTo, Audience Engagement>
+<Engagement Rate Calculation, partOf, Engagement Rate Calculation>
+<Paid Social Media Advertising, connectedTo, Content Strategy>
+<Paid Social Media Advertising, connectedTo, Social Selling>
+<Paid Social Media Advertising, generates reports, Content Moderation>
+<Performance Analytics, connectedTo, Engagement Rate Calculation>
+<Performance Analytics, partOf, Performance Analytics>
+<Social Listening, connectedTo, Cross_Promotion>
+<Social Listening, connectedTo, Performance Analytics>
+<Social Listening, connectedTo, Story Format Content Creation>
+<Social Selling, connectedTo, Content Moderation>
+<Story Format Content Creation, connectedTo, Brand Voice Development>
+<Story Format Content Creation, connectedTo, Cross_Promotion>
+<Story Format Content Creation, connectedTo, Social Selling>
diff --git a/test/graphviz/graph_medium/graphviz_229.dot b/test/graphviz/graph_medium/graphviz_229.dot
new file mode 100644
index 0000000000000000000000000000000000000000..719d8495fee703ee03f0abfb20415fc04343a594
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_229.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=BT
+	N0 [label="Voice Search Optimization" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="News Search" color="#9FA9E1" fillcolor="#D6D9F0" shape=Mdiamond style=filled]
+	N2 [label="Search Engine Optimization" color="#9FA9E1" fillcolor="#D6D9F0" shape=oval style=filled]
+	N3 [label="Shopping Search" color="#A2D0FF" fillcolor="#E8F0FF" shape=Mdiamond style=filled]
+	N4 [label="International SEO" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N5 [label="Google My Business Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=plaintext style=filled]
+	N6 [label="Knowledge Graph Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+	N7 [label="Google Analytics Integration" color="#DCE775" fillcolor="#F9FBE7" shape=plaintext style=filled]
+	N8 [label="Featured Snippets Optimization" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N9 [label="Content Quality Assessment" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N10 [label="Mobile_First Indexing" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Video Search" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Paid Search Advertising" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+		nest0_1 [label="Algorithm Updates Monitoring" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="generates featured snippets" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="optimizes on_page" color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label="uses search console" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [label="manages GMB" color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label="optimizes off_page" color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label="interprets analytics" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [label="uses schema markup" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_229.txt b/test/graphviz/graph_medium/graphviz_229.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e796ff38b834ed66e85bb163e4be139b79c0dfd9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_229.txt
@@ -0,0 +1,19 @@
+<Algorithm Updates Monitoring, manages GMB, News Search>
+<Algorithm Updates Monitoring, partOf, Algorithm Updates Monitoring>
+<Content Quality Assessment, connectedTo, Paid Search Advertising>
+<Content Quality Assessment, uses search console, Mobile_First Indexing>
+<Featured Snippets Optimization, connectedTo, Content Quality Assessment>
+<Google Analytics Integration, connectedTo, Featured Snippets Optimization>
+<Google My Business Management, connectedTo, Google Analytics Integration>
+<Google My Business Management, connectedTo, Knowledge Graph Integration>
+<Google My Business Management, optimizes off_page, Content Quality Assessment>
+<Google My Business Management, uses schema markup, Mobile_First Indexing>
+<International SEO, connectedTo, Google My Business Management>
+<Knowledge Graph Integration, optimizes on_page, Google Analytics Integration>
+<News Search, connectedTo, Search Engine Optimization>
+<Paid Search Advertising, connectedTo, Algorithm Updates Monitoring>
+<Paid Search Advertising, partOf, Paid Search Advertising>
+<Search Engine Optimization, generates featured snippets, Shopping Search>
+<Shopping Search, connectedTo, International SEO>
+<Voice Search Optimization, connectedTo, News Search>
+<Voice Search Optimization, interprets analytics, Mobile_First Indexing>
diff --git a/test/graphviz/graph_medium/graphviz_23.txt b/test/graphviz/graph_medium/graphviz_23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ec3daa330d67f163e45b3036c435ae470561de1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_23.txt
@@ -0,0 +1,26 @@
+<Amicus Brief Submission, connectedTo, Child Custody>
+<Appeal Submission, connectedTo, Verdict Announcement>
+<Child Custody, connectedTo, Closing Argument>
+<Child Custody, connectedTo, Enforcement>
+<Closing Argument, connectedTo, Document Drafting>
+<Closing Argument, consults, Trademark Registration>
+<Court Order Execution, partOf, Court Order Execution>
+<Court Order Execution, pleads, Settlement Negotiation>
+<Document Drafting, negotiates, Notarization>
+<Due Diligence, mediates, Witness Testimony>
+<Intel Property Licensing, connectedTo, Court Order Execution>
+<Intel Property Licensing, connectedTo, Pro Bono Work>
+<Intel Property Licensing, connectedTo, Verdict Announcement>
+<Intel Property Licensing, connectedTo, Witness Testimony>
+<Legal Consultation, defends, Enforcement>
+<Notarization, connectedTo, Appeal Submission>
+<Notarization, connectedTo, Intel Property Licensing>
+<Notarization, connectedTo, Trademark Registration>
+<Notarization, interprets, Trademark Registration>
+<Pro Bono Work, arbitrates, Appeal Submission>
+<Settlement Negotiation, connectedTo, Notarization>
+<Settlement Negotiation, partOf, Settlement Negotiation>
+<Trademark Registration, connectedTo, Due Diligence>
+<Verdict Announcement, advises, Enforcement>
+<Verdict Announcement, connectedTo, Trademark Registration>
+<Witness Testimony, connectedTo, Legal Consultation>
diff --git a/test/graphviz/graph_medium/graphviz_230.dot b/test/graphviz/graph_medium/graphviz_230.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8c1114761c540ded9d98254ad8b5d53d2479ef7d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_230.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=LR
+	N0 [label="Indexing Content" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Competitor Keyword Analysis" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N2 [label="Mobile_First Indexing" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N3 [label="Off_Page SEO" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N4 [label="User Experience for Search" color="#FFC107" fillcolor="#FFECB3" shape=oval style=filled]
+	N5 [label="Query Processing" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFC107" fillcolor="#FFECB3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Keyword Research" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Penalties Recovery" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+		nest0_1 [label="Search Engine Marketing Strategy" color="#FFB74D" fillcolor="#FFF3E0" shape=plaintext style=filled]
+		nest0_2 [label="Search Console Management" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="indexes news" color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="uses search console" color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="handles negative SEO" color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="builds knowledge graphs" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label="ranks results" color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_230.txt b/test/graphviz/graph_medium/graphviz_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..00557070459246b3a2fe744585a7313cbd9bbe95
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_230.txt
@@ -0,0 +1,17 @@
+<Competitor Keyword Analysis, connectedTo, User Experience for Search>
+<Competitor Keyword Analysis, handles negative SEO, Mobile_First Indexing>
+<Indexing Content, connectedTo, User Experience for Search>
+<Indexing Content, ranks results, Query Processing>
+<Indexing Content, uses search console, Competitor Keyword Analysis>
+<Mobile_First Indexing, connectedTo, Off_Page SEO>
+<Mobile_First Indexing, connectedTo, Query Processing>
+<Mobile_First Indexing, connectedTo, User Experience for Search>
+<Off_Page SEO, builds knowledge graphs, User Experience for Search>
+<Off_Page SEO, connectedTo, Penalties Recovery>
+<Penalties Recovery, connectedTo, Search Engine Marketing Strategy>
+<Penalties Recovery, partOf, Penalties Recovery>
+<Search Console Management, connectedTo, Query Processing>
+<Search Console Management, partOf, Search Console Management>
+<Search Engine Marketing Strategy, indexes news, Search Console Management>
+<Search Engine Marketing Strategy, partOf, Search Engine Marketing Strategy>
+<User Experience for Search, connectedTo, Query Processing>
diff --git a/test/graphviz/graph_medium/graphviz_231.dot b/test/graphviz/graph_medium/graphviz_231.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d89e9b85265892432bad9e4938e0c40f1b325f3b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_231.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=TD
+	N0 [label="Indexing Content" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N1 [label="Mobile_First Indexing" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N2 [label="Voice Search Optimization" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N3 [label="Google Analytics Integration" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N4 [label="International SEO" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N5 [label="Schema Markup Implementation" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N6 [label="Shopping Search" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N7 [label="Personalized Search Results" color="#E57373" fillcolor="#FFEBEE" shape=oval style=filled]
+	N8 [label="Search Engine Optimization" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	S0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Local SEO" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Google My Business Management" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_1 [label="Click_Through Rate Optimization" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+		nest0_2 [label="Paid Search Advertising" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="handles negative SEO" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="personalizes results" color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label="interprets analytics" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N8 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [label="manages PPC" color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label="manages technical SEO" color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_232.dot b/test/graphviz/graph_medium/graphviz_232.dot
new file mode 100644
index 0000000000000000000000000000000000000000..806d92f5c2a10e496ef0e685f8cc50fe2b540039
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_232.dot
@@ -0,0 +1,32 @@
+digraph {
+	rankdir=LR
+	N0 [label="Identity Lifecycle Management" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Digital Certificates" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N2 [label="Digital Signatures" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N3 [label="Consent Management" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N4 [label="Data Minimization Principles" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N5 [label="Federated Identity Management" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Decentralized Identifiers" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Privileged Access Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest0_1 [label="User Provisioning" color="#92C79A" fillcolor="#E8F0EA" shape=Mdiamond style=filled]
+		nest0_2 [label="Attribute Management" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+		nest0_3 [label="Identity Proofing" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label="implements SSO" color="#92C79A" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="stores attributes" color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label="federates identities" color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [label="audits access" color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [label="manages CIAM" color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_232.txt b/test/graphviz/graph_medium/graphviz_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e0f8f2a312402b8b4ff35afd5eb08d5b01b3de2a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_232.txt
@@ -0,0 +1,17 @@
+<Attribute Management, connectedTo, Identity Proofing>
+<Attribute Management, partOf, Attribute Management>
+<Consent Management, connectedTo, Data Minimization Principles>
+<Data Minimization Principles, connectedTo, Federated Identity Management>
+<Digital Certificates, audits access, Federated Identity Management>
+<Digital Certificates, connectedTo, Digital Signatures>
+<Digital Certificates, connectedTo, Privileged Access Management>
+<Digital Certificates, federates identities, Consent Management>
+<Digital Certificates, manages CIAM, Data Minimization Principles>
+<Digital Signatures, connectedTo, Consent Management>
+<Identity Lifecycle Management, stores attributes, Digital Certificates>
+<Identity Proofing, connectedTo, Digital Signatures>
+<Identity Proofing, partOf, Identity Proofing>
+<Privileged Access Management, implements SSO, User Provisioning>
+<Privileged Access Management, partOf, Privileged Access Management>
+<User Provisioning, connectedTo, Attribute Management>
+<User Provisioning, partOf, User Provisioning>
diff --git a/test/graphviz/graph_medium/graphviz_233.dot b/test/graphviz/graph_medium/graphviz_233.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed381a3da160348765b7d477d3cc90d6ba1194ee
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_233.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Privacy Management" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Credential Management" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Social Login Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N3 [label="Identity Threat Detection and Response" color="#FFEB3B" fillcolor="#FFF9C4" shape=oval style=filled]
+	N4 [label="Workforce Identity Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N5 [label="Identity Lifecycle Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+	N6 [label="Verifiable Credentials" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N7 [label=Authentication color="#FFEB3B" fillcolor="#FFF9C4" shape=diamond style=filled]
+	N8 [label="Consent Management" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N9 [label="Privileged Access Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Attribute Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Authorization color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_1 [label="Customer Identity and Access Management" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_2 [label="Risk_Based Authentication" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_3 [label="API Security for Identity" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label="federates identities" color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="provisions users" color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="uses digital signatures" color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N6 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label="stores attributes" color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_234.dot b/test/graphviz/graph_medium/graphviz_234.dot
new file mode 100644
index 0000000000000000000000000000000000000000..663e7cf19cc9690ba920941a0d3e39450b7c8cc1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_234.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=RL
+	N0 [label="Single Sign_On" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="Workforce Identity Management" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N2 [label=De_provisioning color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N3 [label=Authorization color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N4 [label="Data Minimization Principles" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N5 [label="Federated Identity Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N6 [label="Digital Signatures" color="#92C79A" fillcolor="#E8F0EA" shape=Mdiamond style=filled]
+	N7 [label="Decentralized Identifiers" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N8 [label="Identity Verification" color="#E0E0E0" fillcolor="#EBEBEB" shape=octagon style=filled]
+	N9 [label="User Registration" color="#92C79A" fillcolor="#E8F0EA" shape=folder style=filled]
+	N10 [label="Portable Identities" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Compliance with Data Protection Regulations" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Identity Proofing" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+		nest0_1 [label="Consent Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+		nest0_2 [label=Non_Repudiation color="#7E57C2" fillcolor="#EDE7F6" shape=Mdiamond style=filled]
+		nest0_3 [label="Biometric Authentication" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label="authenticates users" color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="stores attributes" color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="implements DIDs" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N6 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label="federates identities" color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_234.txt b/test/graphviz/graph_medium/graphviz_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..071f89f1dfb64174a8bf656ff396c5173db694e6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_234.txt
@@ -0,0 +1,26 @@
+<Authorization, connectedTo, Data Minimization Principles>
+<Biometric Authentication, connectedTo, Digital Signatures>
+<Biometric Authentication, partOf, Biometric Authentication>
+<Consent Management, authenticates users, Non_Repudiation>
+<Consent Management, partOf, Consent Management>
+<Data Minimization Principles, connectedTo, Identity Verification>
+<Data Minimization Principles, implements DIDs, Federated Identity Management>
+<De_provisioning, connectedTo, Authorization>
+<Decentralized Identifiers, connectedTo, Identity Verification>
+<Decentralized Identifiers, connectedTo, Portable Identities>
+<Decentralized Identifiers, connectedTo, User Registration>
+<Digital Signatures, connectedTo, Decentralized Identifiers>
+<Digital Signatures, connectedTo, Identity Verification>
+<Federated Identity Management, connectedTo, Digital Signatures>
+<Identity Proofing, connectedTo, Consent Management>
+<Identity Proofing, partOf, Identity Proofing>
+<Identity Verification, connectedTo, User Registration>
+<Non_Repudiation, connectedTo, Biometric Authentication>
+<Non_Repudiation, partOf, Non_Repudiation>
+<Single Sign_On, connectedTo, Identity Verification>
+<Single Sign_On, stores attributes, Workforce Identity Management>
+<User Registration, connectedTo, Identity Proofing>
+<User Registration, connectedTo, Portable Identities>
+<Workforce Identity Management, connectedTo, De_provisioning>
+<Workforce Identity Management, connectedTo, User Registration>
+<Workforce Identity Management, federates identities, Identity Verification>
diff --git a/test/graphviz/graph_medium/graphviz_235.dot b/test/graphviz/graph_medium/graphviz_235.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5d885e26fef8b5c1bee63bfd7362ad0b325f4f8d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_235.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=BT
+	N0 [label="Curriculum Development" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="Micro_credential Programs" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N2 [label="Discussion Forum Moderation" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N3 [label="Asynchronous Learning" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N4 [label="Test Preparation Courses" color="#26A69A" fillcolor="#E0F2F1" shape=plaintext style=filled]
+	N5 [label="Virtual Classroom Facilitation" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N6 [label="Content Creation" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N7 [label="Certification Issuance" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N8 [label="Student Engagement Strategies" color="#FFA726" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N9 [label="Instructor Training" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+	N10 [label="Adaptive Learning Technologies" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	S0 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Synchronous Learning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Student Progress Tracking" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+		nest0_1 [label="Collaborative Projects" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+		nest0_2 [label="Peer_to_Peer Learning" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+		nest0_3 [label="Virtual Field Trips" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [label="hosts MOOCs" color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="administers assessments" color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="provides feedback" color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="offers professional development" color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [label="applies learning design" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [label="gamifies experiences" color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_235.txt b/test/graphviz/graph_medium/graphviz_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d6dc02815e0636134e43ccc11c0be79891e78f0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_235.txt
@@ -0,0 +1,26 @@
+<Asynchronous Learning, connectedTo, Student Progress Tracking>
+<Asynchronous Learning, connectedTo, Test Preparation Courses>
+<Certification Issuance, connectedTo, Student Engagement Strategies>
+<Collaborative Projects, administers assessments, Peer_to_Peer Learning>
+<Collaborative Projects, partOf, Collaborative Projects>
+<Content Creation, connectedTo, Instructor Training>
+<Content Creation, connectedTo, Student Engagement Strategies>
+<Content Creation, gamifies experiences, Adaptive Learning Technologies>
+<Content Creation, offers professional development, Certification Issuance>
+<Curriculum Development, connectedTo, Instructor Training>
+<Curriculum Development, connectedTo, Micro_credential Programs>
+<Discussion Forum Moderation, connectedTo, Asynchronous Learning>
+<Discussion Forum Moderation, connectedTo, Content Creation>
+<Instructor Training, connectedTo, Adaptive Learning Technologies>
+<Micro_credential Programs, connectedTo, Content Creation>
+<Micro_credential Programs, connectedTo, Discussion Forum Moderation>
+<Micro_credential Programs, connectedTo, Instructor Training>
+<Peer_to_Peer Learning, connectedTo, Virtual Field Trips>
+<Peer_to_Peer Learning, partOf, Peer_to_Peer Learning>
+<Student Engagement Strategies, connectedTo, Instructor Training>
+<Student Progress Tracking, hosts MOOCs, Collaborative Projects>
+<Student Progress Tracking, partOf, Student Progress Tracking>
+<Test Preparation Courses, connectedTo, Virtual Classroom Facilitation>
+<Virtual Classroom Facilitation, provides feedback, Content Creation>
+<Virtual Field Trips, applies learning design, Test Preparation Courses>
+<Virtual Field Trips, partOf, Virtual Field Trips>
diff --git a/test/graphviz/graph_medium/graphviz_236.dot b/test/graphviz/graph_medium/graphviz_236.dot
new file mode 100644
index 0000000000000000000000000000000000000000..aef295c043a9a06d63cd74b603cac524264f164d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_236.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=BT
+	N0 [label="Instructor Training" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Learning Analytics" color="#FFB74D" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N2 [label="Assessment Design" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N3 [label="Competency_Based Education" color="#FFB74D" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N4 [label="Content Creation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N5 [label="Online Tutoring" color="#FFB74D" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N6 [label="Student Progress Tracking" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N7 [label="Accessibility Features" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N8 [label="Language Learning Platforms" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N9 [label="Micro_credential Programs" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Course Evaluation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Curriculum Development" color="#DCE775" fillcolor="#FCFCE7" shape=Mdiamond style=filled]
+		nest0_1 [label="Collaborative Projects" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="digitizes curriculum" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="supports competency_based" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label="engages parents" color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label="issues certificates" color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label="integrates AI" color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label="develops educational apps" color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_236.txt b/test/graphviz/graph_medium/graphviz_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dcaf83a9763704b781315c79939b68d751f646dd
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_236.txt
@@ -0,0 +1,19 @@
+<Accessibility Features, connectedTo, Language Learning Platforms>
+<Assessment Design, supports competency_based, Competency_Based Education>
+<Collaborative Projects, connectedTo, Student Progress Tracking>
+<Collaborative Projects, partOf, Collaborative Projects>
+<Competency_Based Education, connectedTo, Content Creation>
+<Content Creation, connectedTo, Curriculum Development>
+<Content Creation, connectedTo, Online Tutoring>
+<Content Creation, connectedTo, Student Progress Tracking>
+<Content Creation, integrates AI, Student Progress Tracking>
+<Content Creation, issues certificates, Language Learning Platforms>
+<Curriculum Development, connectedTo, Collaborative Projects>
+<Curriculum Development, partOf, Curriculum Development>
+<Instructor Training, connectedTo, Learning Analytics>
+<Instructor Training, connectedTo, Student Progress Tracking>
+<Language Learning Platforms, engages parents, Micro_credential Programs>
+<Learning Analytics, develops educational apps, Student Progress Tracking>
+<Learning Analytics, digitizes curriculum, Assessment Design>
+<Online Tutoring, connectedTo, Student Progress Tracking>
+<Student Progress Tracking, connectedTo, Accessibility Features>
diff --git a/test/graphviz/graph_medium/graphviz_237.txt b/test/graphviz/graph_medium/graphviz_237.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e065dba17b9608a5d4c04b607d621f1a2208753
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_237.txt
@@ -0,0 +1,21 @@
+<AI in Online Education, facilitates discussions, Micro_credential Programs>
+<Blended Learning Models, integrates robotics, Open Educational Resources Integration>
+<Blended Learning Models, partOf, Blended Learning Models>
+<Bootcamp Development, administers assessments, Online Tutoring>
+<Certification Issuance, connectedTo, AI in Online Education>
+<Content Creation, connectedTo, Virtual Labs and Simulations>
+<Digital Badges, connectedTo, Professional Development Courses>
+<Interactive Learning Activities, connectedTo, Virtual Field Trips>
+<Learning Analytics, connectedTo, Content Creation>
+<Learning Analytics, uses machine learning, Blended Learning Models>
+<Online Tutoring, uses blockchain for credentials, Certification Issuance>
+<Open Educational Resources Integration, connectedTo, Digital Badges>
+<Open Educational Resources Integration, partOf, Open Educational Resources Integration>
+<Professional Development Courses, connectedTo, Student Progress Tracking>
+<Student Progress Tracking, connectedTo, Learning Analytics>
+<Student Progress Tracking, issues certificates, Bootcamp Development>
+<Virtual Field Trips, connectedTo, Bootcamp Development>
+<Virtual Field Trips, connectedTo, Digital Badges>
+<Virtual Labs and Simulations, connectedTo, Bootcamp Development>
+<Virtual Labs and Simulations, connectedTo, Certification Issuance>
+<Virtual Labs and Simulations, creates analytics dashboards, Online Tutoring>
diff --git a/test/graphviz/graph_medium/graphviz_238.dot b/test/graphviz/graph_medium/graphviz_238.dot
new file mode 100644
index 0000000000000000000000000000000000000000..17ca1784764f8cf899e35ee5434205059f51e145
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_238.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=LR
+	N0 [label="Self_Paced Learning Tracks" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Subscription Models" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N2 [label="Research on MOOC Effectiveness" color="#9C27B0" fillcolor="#E1BEE7" shape=Mdiamond style=filled]
+	N3 [label="Continuous Course Improvement" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N4 [label="Corporate Training Solutions" color="#A1D7CD" fillcolor="#EDF5F3" shape=plaintext style=filled]
+	N5 [label="Completion Rate Optimization" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N6 [label="Global Accessibility Features" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N7 [label="Learner Analytics" color="#A1D7CD" fillcolor="#EDF5F3" shape=Mdiamond style=filled]
+	N8 [label="Course Retirement Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=plaintext style=filled]
+	N9 [label="Career Pathway Mapping" color="#388E3C" fillcolor="#C8E6C9" shape=oval style=filled]
+	N10 [label="University Partnerships" color="#A1D7CD" fillcolor="#EDF5F3" shape=folder style=filled]
+	N11 [label="Financial Aid for Learners" color="#A1D7CD" fillcolor="#EDF5F3" shape=octagon style=filled]
+	N12 [label="Forum Moderation" color="#9C27B0" fillcolor="#E1BEE7" shape=oval style=filled]
+	N13 [label="Micro_credential Stacking" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N14 [label="Course Audit Options" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#388E3C" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Course Content Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Peer Grading Implementation" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_1 [label="Engagement Metrics Tracking" color="#A1D7CD" fillcolor="#EDF5F3" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="funds development" color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N7 -> N8 [label="builds communities" color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label="delivers lectures" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [label="issues statements of accomplishment" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [label="supports learners" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N3 [label="designs courses" color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_239.txt b/test/graphviz/graph_medium/graphviz_239.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b37cf71a258babcda15e57100f365c1229515b73
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_239.txt
@@ -0,0 +1,26 @@
+<Career Pathway Mapping, connectedTo, Completion Rate Optimization>
+<Career Pathway Mapping, partOf, Career Pathway Mapping>
+<Certificate of Completion Issuance, connectedTo, Video Lecture Production>
+<Completion Rate Optimization, connectedTo, Certificate of Completion Issuance>
+<Corporate Training Solutions, connectedTo, Skill_Based Learning Outcomes>
+<Course Content Development, connectedTo, Course Retirement Planning>
+<Course Retirement Planning, complies with regulations, Translation and Localization>
+<Course Retirement Planning, connectedTo, Global Accessibility Features>
+<Engagement Metrics Tracking, connectedTo, Learner Analytics>
+<Engagement Metrics Tracking, manages certifications, Certificate of Completion Issuance>
+<Financial Aid for Learners, delivers lectures, Verified Track Management>
+<Global Accessibility Features, connectedTo, Marketing to Global Audience>
+<Learner Analytics, connectedTo, Certificate of Completion Issuance>
+<Learner Analytics, connectedTo, Completion Rate Optimization>
+<Learner Analytics, provides readings, Industry Collaboration for Content>
+<Marketing to Global Audience, connectedTo, Corporate Training Solutions>
+<Peer Grading Implementation, connectedTo, Specialization or Professional Certificate Programs>
+<Peer Grading Implementation, partOf, Peer Grading Implementation>
+<Skill_Based Learning Outcomes, connectedTo, Financial Aid for Learners>
+<Specialization or Professional Certificate Programs, partOf, Specialization or Professional Certificate Programs>
+<Specialization or Professional Certificate Programs, scales enrollment, Career Pathway Mapping>
+<Translation and Localization, connectedTo, Peer Grading Implementation>
+<Translation and Localization, partOf, Translation and Localization>
+<Verified Track Management, connectedTo, Certificate of Completion Issuance>
+<Verified Track Management, connectedTo, Engagement Metrics Tracking>
+<Video Lecture Production, connectedTo, Industry Collaboration for Content>
diff --git a/test/graphviz/graph_medium/graphviz_240.dot b/test/graphviz/graph_medium/graphviz_240.dot
new file mode 100644
index 0000000000000000000000000000000000000000..403a79f5fef0f97b85ec668f8972d90a513a44a4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_240.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=TD
+	N0 [label="Content Licensing" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Engagement Metrics Tracking" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+	N2 [label="Assessment Creation" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N3 [label="Research on MOOC Effectiveness" color="#E91E63" fillcolor="#F8BBD0" shape=Mdiamond style=filled]
+	N4 [label="Career Pathway Mapping" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N5 [label="Industry Collaboration for Content" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N6 [label="Course Promotion" color="#94C0C0" fillcolor="#CADEDE" shape=octagon style=filled]
+	N7 [label="Instructor_Led Sessions" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N8 [label="Continuous Course Improvement" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N9 [label="Video Lecture Production" color="#E91E63" fillcolor="#F8BBD0" shape=plaintext style=filled]
+	N10 [label="Financial Aid for Learners" color="#94C0C0" fillcolor="#CADEDE" shape=octagon style=filled]
+	N11 [label="Technical Infrastructure for Scale" color="#94C0C0" fillcolor="#CADEDE" shape=folder style=filled]
+	N12 [label="Learner Feedback Analysis" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N13 [label="Global Accessibility Features" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N14 [label="University Partnerships" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N15 [label="Mobile Learning Experience" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	S0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Platform Selection" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Learner Support" color="#73C6BC" fillcolor="#D0EFEE" shape=Mdiamond style=filled]
+		nest0_1 [label="Verified Track Management" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="scales enrollment" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label="integrates tools" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="analyzes data" color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N8 -> N9 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label="secures data" color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [label="supports diverse learners" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label="provides accessibility" color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label="facilitates peer review" color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_240.txt b/test/graphviz/graph_medium/graphviz_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..118308e8c62e2f5f191f20fcc19d2d579f17fab0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_240.txt
@@ -0,0 +1,24 @@
+<Assessment Creation, connectedTo, Career Pathway Mapping>
+<Assessment Creation, scales enrollment, Research on MOOC Effectiveness>
+<Career Pathway Mapping, analyzes data, Industry Collaboration for Content>
+<Content Licensing, connectedTo, Engagement Metrics Tracking>
+<Content Licensing, facilitates peer review, Career Pathway Mapping>
+<Continuous Course Improvement, connectedTo, Video Lecture Production>
+<Course Promotion, connectedTo, Instructor_Led Sessions>
+<Engagement Metrics Tracking, connectedTo, Assessment Creation>
+<Financial Aid for Learners, connectedTo, Technical Infrastructure for Scale>
+<Global Accessibility Features, connectedTo, University Partnerships>
+<Industry Collaboration for Content, connectedTo, Course Promotion>
+<Instructor_Led Sessions, connectedTo, Continuous Course Improvement>
+<Instructor_Led Sessions, connectedTo, Mobile Learning Experience>
+<Instructor_Led Sessions, provides accessibility, Video Lecture Production>
+<Learner Feedback Analysis, connectedTo, Global Accessibility Features>
+<Learner Support, connectedTo, Verified Track Management>
+<Learner Support, partOf, Learner Support>
+<Research on MOOC Effectiveness, integrates tools, Career Pathway Mapping>
+<Technical Infrastructure for Scale, secures data, Learner Feedback Analysis>
+<University Partnerships, supports diverse learners, Mobile Learning Experience>
+<Verified Track Management, connectedTo, Course Promotion>
+<Verified Track Management, partOf, Verified Track Management>
+<Video Lecture Production, connectedTo, Financial Aid for Learners>
+<Video Lecture Production, connectedTo, Learner Support>
diff --git a/test/graphviz/graph_medium/graphviz_241.dot b/test/graphviz/graph_medium/graphviz_241.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc8983add5d794e525abfa3860a587c4e8d9f3a9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_241.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Tutoring Session" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N1 [label="Adaptive Learning Algorithms" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N2 [label="Motivation Coaching" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N3 [label="Interactive Exercises" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N4 [label="Student Progress Tracking" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N5 [label="Video Lecture Production" color="#00BCD4" fillcolor="#E0F7FA" shape=Mdiamond style=filled]
+	N6 [label="Test_Taking Strategies" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N7 [label="AI_Powered Tutoring" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N8 [label="Practice Test Creation" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N9 [label="Writing Skills Improvement" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Memory Techniques Training" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Flashcard Creation" color="#DCE775" fillcolor="#FCFCE7" shape=Mdiamond style=filled]
+		nest0_1 [label="Professional Licensure Exam Prep" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_2 [label="Study Material Design" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_3 [label="Math Skills Refresher" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
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+	N8 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label=automates color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N6 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N3 [label=supports color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> N4 [label=distributes color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N4 [label=engages color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_242.txt b/test/graphviz/graph_medium/graphviz_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..de66d4107d8e2d8e977a4b5e31832061b619f5c4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_242.txt
@@ -0,0 +1,25 @@
+<Critical Thinking Development, connectedTo, Memory Techniques Training>
+<Critical Thinking Development, partOf, Critical Thinking Development>
+<Curriculum Development, connectedTo, Interactive Exercises>
+<English Proficiency Test Prep, connectedTo, Certification Exam Prep>
+<English Proficiency Test Prep, connectedTo, Mock Exam Administration>
+<English Proficiency Test Prep, connectedTo, Writing Skills Improvement>
+<Exam Day Tips, connectedTo, Performance Prediction Models>
+<Exam Day Tips, connectedTo, Time Management Coaching>
+<Interactive Exercises, reviews, Professional Licensure Exam Prep>
+<Math Skills Refresher, connectedTo, Writing Skills Improvement>
+<Memory Techniques Training, connectedTo, Tutoring Session>
+<Memory Techniques Training, partOf, Memory Techniques Training>
+<Mock Exam Administration, personalizes, Math Skills Refresher>
+<Motivation Coaching, connectedTo, Science Concept Review>
+<Performance Prediction Models, licenses, Critical Thinking Development>
+<Performance Prediction Models, partOf, Performance Prediction Models>
+<Professional Licensure Exam Prep, develops, Certification Exam Prep>
+<Science Concept Review, connectedTo, Exam Day Tips>
+<Time Management Coaching, connectedTo, English Proficiency Test Prep>
+<Tutoring Session, markets, Curriculum Development>
+<Tutoring Session, partOf, Tutoring Session>
+<Virtual Proctoring, connectedTo, Certification Exam Prep>
+<Virtual Proctoring, connectedTo, Motivation Coaching>
+<Virtual Proctoring, tracks, Time Management Coaching>
+<Writing Skills Improvement, connectedTo, Curriculum Development>
diff --git a/test/graphviz/graph_medium/graphviz_243.dot b/test/graphviz/graph_medium/graphviz_243.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f8e25420b248d6b47836198f2677bc5e7d7f20ce
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_243.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=LR
+	N0 [label="Time Management Coaching" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N1 [label="Mock Exam Administration" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
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+	N3 [label="Performance Feedback" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N4 [label="Exam Day Tips" color="#61CAC3" fillcolor="#C2E8E6" shape=plaintext style=filled]
+	N5 [label="Reading Comprehension Drills" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Professional Licensure Exam Prep" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N7 [label="Score Analysis" color="#FFB2A5" fillcolor="#FFDCD6" shape=parallelogram style=filled]
+	N8 [label="Certification Exam Prep" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_1 -> nest0_2 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
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+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N6 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=teaches color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_243.txt b/test/graphviz/graph_medium/graphviz_243.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7faa3b89b59df25ae5f1cdc7ce3a3cbf70217117
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_243.txt
@@ -0,0 +1,21 @@
+<Exam Day Tips, connectedTo, Study Material Design>
+<Exam Day Tips, prepares, Reading Comprehension Drills>
+<Interactive Exercises, connectedTo, Professional Licensure Exam Prep>
+<Interactive Exercises, partOf, Interactive Exercises>
+<Mock Exam Administration, connectedTo, Exam Day Tips>
+<Mock Exam Administration, connectedTo, Performance Feedback>
+<Mock Exam Administration, connectedTo, Professional Licensure Exam Prep>
+<Mock Exam Administration, registers, Study Group Facilitation>
+<Mock Exam Administration, teaches, Performance Feedback>
+<Performance Feedback, connectedTo, Exam Day Tips>
+<Professional Licensure Exam Prep, connectedTo, Score Analysis>
+<Reading Comprehension Drills, connectedTo, Professional Licensure Exam Prep>
+<Score Analysis, analyzes, Certification Exam Prep>
+<Study Group Facilitation, connectedTo, Performance Feedback>
+<Study Material Design, connectedTo, Test_Taking Strategies>
+<Study Material Design, partOf, Study Material Design>
+<Test_Taking Strategies, connectedTo, Interactive Exercises>
+<Test_Taking Strategies, partOf, Test_Taking Strategies>
+<Time Management Coaching, connectedTo, Mock Exam Administration>
+<Time Management Coaching, connectedTo, Performance Feedback>
+<Time Management Coaching, connectedTo, Score Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_244.dot b/test/graphviz/graph_medium/graphviz_244.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0b362798bb050d611d054ae777ba82622d7a848e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_244.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sentence Construction Practice" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Personalized Learning Paths" color="#BDAFA8" fillcolor="#E4E0DF" shape=parallelogram style=filled]
+	N2 [label="Certification Exam Preparation" color="#92C79A" fillcolor="#E8F0EA" shape=octagon style=filled]
+	N3 [label="Audio Lessons" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N4 [label="Error Correction Feedback" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N5 [label="Business Language Training" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+	N6 [label="Slang and Idioms Learning" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N7 [label="Interactive Dialogues" color="#BDAFA8" fillcolor="#E4E0DF" shape=folder style=filled]
+	N8 [label="Speaking Practice" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N9 [label="Grammar Practice" color="#BDAFA8" fillcolor="#E4E0DF" shape=plaintext style=filled]
+	N10 [label="Listening Comprehension" color="#BDAFA8" fillcolor="#E4E0DF" shape=oval style=filled]
+	N11 [label="Adult Language Learning" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N12 [label="Self_Study Modules" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	S0 [label="" color="#FF5722" fillcolor="#FFCCBC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Speech Recognition Technology" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Children's Language Learning" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest0_1 [label="Flashcard Systems" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+		nest0_2 [label="Contextual Learning" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=provides color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=analyzes color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=evaluates color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=learns color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [label=assesses color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [label=writes color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [label=automates color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N8 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [label=transcribes color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	M0 -> N12 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	M1 -> N8 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_244.txt b/test/graphviz/graph_medium/graphviz_244.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f951eb0b5f3b3e2c56a70854b56d888adb6f0d2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_244.txt
@@ -0,0 +1,27 @@
+<Adult Language Learning, connectedTo, Self_Study Modules>
+<Audio Lessons, connectedTo, Error Correction Feedback>
+<Business Language Training, connectedTo, Slang and Idioms Learning>
+<Business Language Training, connectedTo, Speaking Practice>
+<Certification Exam Preparation, connectedTo, Audio Lessons>
+<Children's Language Learning, partOf, Children's Language Learning>
+<Children's Language Learning, provides, Flashcard Systems>
+<Contextual Learning, assesses, Interactive Dialogues>
+<Contextual Learning, partOf, Contextual Learning>
+<Error Correction Feedback, evaluates, Business Language Training>
+<Error Correction Feedback, transcribes, Self_Study Modules>
+<Flashcard Systems, analyzes, Contextual Learning>
+<Flashcard Systems, partOf, Flashcard Systems>
+<Grammar Practice, automates, Adult Language Learning>
+<Grammar Practice, connectedTo, Listening Comprehension>
+<Grammar Practice, writes, Self_Study Modules>
+<Interactive Dialogues, connectedTo, Self_Study Modules>
+<Interactive Dialogues, connectedTo, Speaking Practice>
+<Listening Comprehension, connectedTo, Adult Language Learning>
+<Personalized Learning Paths, connectedTo, Certification Exam Preparation>
+<Personalized Learning Paths, connectedTo, Speaking Practice>
+<Sentence Construction Practice, connectedTo, Personalized Learning Paths>
+<Slang and Idioms Learning, connectedTo, Children's Language Learning>
+<Slang and Idioms Learning, connectedTo, Speaking Practice>
+<Slang and Idioms Learning, learns, Interactive Dialogues>
+<Speaking Practice, connectedTo, Grammar Practice>
+<Speaking Practice, connectedTo, Self_Study Modules>
diff --git a/test/graphviz/graph_medium/graphviz_246.dot b/test/graphviz/graph_medium/graphviz_246.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d5ebe6f73ad6769e2d09773268ad7a4a1f452905
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_246.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=LR
+	N0 [label="Accent Reduction Coaching" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Grammar Practice" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N2 [label="Self_Study Modules" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N3 [label="AI_Powered Language Tutors" color="#FFA726" fillcolor="#FFF3E0" shape=folder style=filled]
+	N4 [label="Travel Language Essentials" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N5 [label="Speech Recognition Technology" color="#FFB74D" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N6 [label="Reading Comprehension" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N7 [label="Slang and Idioms Learning" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N8 [label="Gamified Learning Activities" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	S0 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Memory Retention Techniques" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Personalized Learning Paths" color="#FFA726" fillcolor="#FFF3E0" shape=octagon style=filled]
+		nest0_1 [label="Language Exchange Programs" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=communicates color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [label=immerses color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=tracks color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [label=corrects color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_247.dot b/test/graphviz/graph_medium/graphviz_247.dot
new file mode 100644
index 0000000000000000000000000000000000000000..40c9e37fbb973cd1fdc2e85a91de25e88c578a95
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_247.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=RL
+	N0 [label="Stress Reduction Techniques" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Post_Traumatic Stress Disorder Support" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N2 [label="Cognitive Behavioral Therapy" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N3 [label="Art Therapy" color="#388E3C" fillcolor="#F1F8E9" shape=folder style=filled]
+	N4 [label="Suicide Prevention" color="#B0C5CD" fillcolor="#DFE7EB" shape=Mdiamond style=filled]
+	N5 [label="Digital Mental Health Tools" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N6 [label="Support Group Facilitation" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N7 [label="Advocacy for Mental Health" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N8 [label="Dialectical Behavior Therapy" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Trauma Therapy" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Therapy Session" color="#EAEFA5" fillcolor="#FDFCEB" shape=plaintext style=filled]
+		nest0_1 [label="Child & Adolescent Therapy" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+		nest0_2 [label="Telehealth Counseling" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_3 [label="Emotional Regulation Training" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=guides color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=facilitates color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=educates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=provides color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label=audits color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=advises color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_247.txt b/test/graphviz/graph_medium/graphviz_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ec33b3ae5a0320022b1548db8656568204a2443
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_247.txt
@@ -0,0 +1,24 @@
+<Advocacy for Mental Health, connectedTo, Dialectical Behavior Therapy>
+<Art Therapy, audits, Advocacy for Mental Health>
+<Art Therapy, connectedTo, Dialectical Behavior Therapy>
+<Art Therapy, connectedTo, Suicide Prevention>
+<Art Therapy, connectedTo, Support Group Facilitation>
+<Child & Adolescent Therapy, connectedTo, Telehealth Counseling>
+<Child & Adolescent Therapy, partOf, Child & Adolescent Therapy>
+<Cognitive Behavioral Therapy, connectedTo, Art Therapy>
+<Digital Mental Health Tools, connectedTo, Advocacy for Mental Health>
+<Digital Mental Health Tools, connectedTo, Support Group Facilitation>
+<Emotional Regulation Training, connectedTo, Suicide Prevention>
+<Emotional Regulation Training, partOf, Emotional Regulation Training>
+<Post_Traumatic Stress Disorder Support, connectedTo, Art Therapy>
+<Post_Traumatic Stress Disorder Support, educates, Cognitive Behavioral Therapy>
+<Stress Reduction Techniques, advises, Art Therapy>
+<Stress Reduction Techniques, connectedTo, Post_Traumatic Stress Disorder Support>
+<Suicide Prevention, connectedTo, Advocacy for Mental Health>
+<Suicide Prevention, connectedTo, Digital Mental Health Tools>
+<Suicide Prevention, connectedTo, Therapy Session>
+<Support Group Facilitation, provides, Advocacy for Mental Health>
+<Telehealth Counseling, facilitates, Emotional Regulation Training>
+<Telehealth Counseling, partOf, Telehealth Counseling>
+<Therapy Session, guides, Child & Adolescent Therapy>
+<Therapy Session, partOf, Therapy Session>
diff --git a/test/graphviz/graph_medium/graphviz_248.txt b/test/graphviz/graph_medium/graphviz_248.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fc934b3a09b4317bfc491956df18bf62a2ef73b7
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_248.txt
@@ -0,0 +1,18 @@
+<Advocacy for Mental Health, connectedTo, Child & Adolescent Therapy>
+<Advocacy for Mental Health, connectedTo, Outpatient Program Management>
+<Crisis Intervention, guides, Medication Management>
+<Dialectical Behavior Therapy, educates, Child & Adolescent Therapy>
+<Dialectical Behavior Therapy, researches, Mental Health Screening>
+<Grief Counseling, connectedTo, Dialectical Behavior Therapy>
+<Grief Counseling, partOf, Grief Counseling>
+<Medication Management, advocates, Advocacy for Mental Health>
+<Medication Management, connectedTo, Child & Adolescent Therapy>
+<Mental Health Screening, connectedTo, Stress Reduction Techniques>
+<Outpatient Program Management, connectedTo, Grief Counseling>
+<Outpatient Program Management, partOf, Outpatient Program Management>
+<Schizophrenia Management, connectedTo, Child & Adolescent Therapy>
+<Schizophrenia Management, connectedTo, Crisis Intervention>
+<Schizophrenia Management, connectedTo, Medication Management>
+<Stress Reduction Techniques, reduces, Therapy Session>
+<Telehealth Counseling, therapies, Dialectical Behavior Therapy>
+<Therapy Session, certifies, Schizophrenia Management>
diff --git a/test/graphviz/graph_medium/graphviz_249.txt b/test/graphviz/graph_medium/graphviz_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..186de02483d1163ad2858d750163d95e5ded3053
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_249.txt
@@ -0,0 +1,23 @@
+<Child & Adolescent Therapy, connectedTo, Family Therapy>
+<Child & Adolescent Therapy, connectedTo, Relapse Prevention>
+<Child & Adolescent Therapy, connectedTo, Suicide Prevention>
+<Child & Adolescent Therapy, prevents, Relapse Prevention>
+<Child & Adolescent Therapy, refers, Cognitive Behavioral Therapy>
+<Child & Adolescent Therapy, therapies, Advocacy for Mental Health>
+<Cognitive Behavioral Therapy, certifies, Suicide Prevention>
+<Cognitive Behavioral Therapy, connectedTo, Advocacy for Mental Health>
+<Cognitive Behavioral Therapy, connectedTo, Mental Health Education>
+<Cognitive Behavioral Therapy, connectedTo, Relapse Prevention>
+<Coping Skill Development, connectedTo, Telehealth Counseling>
+<Coping Skill Development, partOf, Coping Skill Development>
+<Eating Disorder Treatment, connectedTo, Child & Adolescent Therapy>
+<Eating Disorder Treatment, connectedTo, Relapse Prevention>
+<Family Therapy, partOf, Family Therapy>
+<Family Therapy, rehabilitates, Coping Skill Development>
+<Mental Health Education, connectedTo, Advocacy for Mental Health>
+<Peer Support Programs, connectedTo, Advocacy for Mental Health>
+<Peer Support Programs, partOf, Peer Support Programs>
+<Relapse Prevention, medicates, Suicide Prevention>
+<Suicide Prevention, connectedTo, Mental Health Education>
+<Telehealth Counseling, connectedTo, Peer Support Programs>
+<Telehealth Counseling, partOf, Telehealth Counseling>
diff --git a/test/graphviz/graph_medium/graphviz_25.dot b/test/graphviz/graph_medium/graphviz_25.dot
new file mode 100644
index 0000000000000000000000000000000000000000..527442fefcc8e7a1810acc57afe6d67639325f78
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_25.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=BT
+	N0 [label=Cross_docking color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Last_mile Dispatch" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N2 [label="Driver Check_in" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N3 [label="Supply Chain Visibility" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N4 [label="Global Trade Compliance" color="#4DB6AC" fillcolor="#E0F2F1" shape=folder style=filled]
+	N5 [label="Hub Transfer" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N6 [label="Sorting Center" color="#4DB6AC" fillcolor="#E0F2F1" shape=octagon style=filled]
+	N7 [label="Container Loading" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Delay Notification" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Route Assignment" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_1 [label="Freight Booking" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_2 [label="Air Cargo Handling" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=scans color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=analyzes color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N5 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=sorts color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_25.txt b/test/graphviz/graph_medium/graphviz_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb4da83863341227a7e3aa3ae2f4a0e410638887
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_25.txt
@@ -0,0 +1,18 @@
+<Air Cargo Handling, connectedTo, Hub Transfer>
+<Air Cargo Handling, partOf, Air Cargo Handling>
+<Cross_docking, connectedTo, Last_mile Dispatch>
+<Cross_docking, sorts, Global Trade Compliance>
+<Driver Check_in, connectedTo, Route Assignment>
+<Driver Check_in, tracks, Supply Chain Visibility>
+<Freight Booking, connectedTo, Air Cargo Handling>
+<Freight Booking, partOf, Freight Booking>
+<Global Trade Compliance, scans, Hub Transfer>
+<Hub Transfer, connectedTo, Sorting Center>
+<Last_mile Dispatch, connectedTo, Container Loading>
+<Last_mile Dispatch, connectedTo, Driver Check_in>
+<Last_mile Dispatch, connectedTo, Global Trade Compliance>
+<Last_mile Dispatch, connectedTo, Sorting Center>
+<Route Assignment, connectedTo, Freight Booking>
+<Route Assignment, partOf, Route Assignment>
+<Sorting Center, analyzes, Container Loading>
+<Supply Chain Visibility, connectedTo, Global Trade Compliance>
diff --git a/test/graphviz/graph_medium/graphviz_250.txt b/test/graphviz/graph_medium/graphviz_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..78eb075dda897634c6390191c1589845d5f67792
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_250.txt
@@ -0,0 +1,23 @@
+<Dietary Software Usage, connectedTo, Dietary Supplement Review>
+<Dietary Software Usage, connectedTo, Public Health Nutrition Programs>
+<Dietary Supplement Review, connectedTo, Public Health Nutrition Programs>
+<Dietary Supplement Review, connectedTo, Restaurant Menu Analysis>
+<Disease_Specific Nutrition, partOf, Disease_Specific Nutrition>
+<Disease_Specific Nutrition, researches, Nutrigenomics Research>
+<Food Label Interpretation, assesses, Grocery Shopping Guidance>
+<Food Label Interpretation, connectedTo, Inflammation and Diet>
+<Grocery Shopping Guidance, educates, Macronutrient Tracking>
+<Grocery Shopping Guidance, partOf, Grocery Shopping Guidance>
+<Inflammation and Diet, connectedTo, Child Nutrition>
+<Macronutrient Tracking, connectedTo, Sustainable Food Systems>
+<Macronutrient Tracking, partOf, Macronutrient Tracking>
+<Metabolism Rate Assessment, filters, Public Health Nutrition Programs>
+<Nutrigenomics Research, connectedTo, Metabolism Rate Assessment>
+<Nutrigenomics Research, connectedTo, Public Health Nutrition Programs>
+<Public Health Nutrition Programs, counsels, Food Label Interpretation>
+<Restaurant Menu Analysis, connectedTo, Child Nutrition>
+<Restaurant Menu Analysis, connectedTo, Nutrigenomics Research>
+<Restaurant Menu Analysis, connectedTo, Public Health Nutrition Programs>
+<Restaurant Menu Analysis, inspects, Metabolism Rate Assessment>
+<Sustainable Food Systems, identifies, Disease_Specific Nutrition>
+<Sustainable Food Systems, partOf, Sustainable Food Systems>
diff --git a/test/graphviz/graph_medium/graphviz_251.txt b/test/graphviz/graph_medium/graphviz_251.txt
new file mode 100644
index 0000000000000000000000000000000000000000..404f3c0a5de61f38dc2ff59d210a1f50e3e060c0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_251.txt
@@ -0,0 +1,21 @@
+<Body Composition Analysis, connectedTo, Public Health Nutrition Programs>
+<Body Composition Analysis, partOf, Body Composition Analysis>
+<Dietary Software Usage, connectedTo, Detoxification Programs>
+<Elderly Nutrition, connectedTo, Dietary Software Usage>
+<Elderly Nutrition, connectedTo, Nutrigenomics Research>
+<Food Allergy Management, connectedTo, Hydration Planning>
+<Food Fortification Strategies, manages, Personalized Nutrition Plans>
+<Hydration Planning, connectedTo, Nutrigenomics Research>
+<Hydration Planning, connectedTo, Sports Nutrition>
+<Hydration Planning, cooks, Dietary Software Usage>
+<Hydration Planning, prescribes, Personalized Nutrition Plans>
+<Nutrigenomics Research, connectedTo, Public Health Nutrition Programs>
+<Nutritional Biomarker Analysis, guides, Elderly Nutrition>
+<Nutritional Counseling, connectedTo, Food Allergy Management>
+<Personalized Nutrition Plans, connectedTo, Nutritional Biomarker Analysis>
+<Public Health Nutrition Programs, connectedTo, Dietary Software Usage>
+<Recipe Adaptation, connectedTo, Body Composition Analysis>
+<Recipe Adaptation, partOf, Recipe Adaptation>
+<Sports Nutrition, connectedTo, Food Fortification Strategies>
+<Sports Nutrition, connectedTo, Recipe Adaptation>
+<Supplement Recommendation, generates, Nutritional Counseling>
diff --git a/test/graphviz/graph_medium/graphviz_252.dot b/test/graphviz/graph_medium/graphviz_252.dot
new file mode 100644
index 0000000000000000000000000000000000000000..23c97e1d2746ce827cf84f659cff25764b69e6ee
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_252.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=RL
+	N0 [label="Community Nutrition Workshops" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Dietary Software Usage" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N2 [label="Restaurant Menu Analysis" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N3 [label="Food Safety Education" color="#CDDC39" fillcolor="#E6EE9C" shape=octagon style=filled]
+	N4 [label="Gut Microbiome Health" color="#92C79A" fillcolor="#E8F0EA" shape=oval style=filled]
+	N5 [label="Sports Nutrition" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N6 [label="Macronutrient Tracking" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N7 [label="Body Composition Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Personalized Nutrition Plans" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Nutrigenomics Research" color="#92C79A" fillcolor="#E8F0EA" shape=Mdiamond style=filled]
+		nest0_1 [label="Clinical Nutrition Support" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+		nest0_2 [label="Elderly Nutrition" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=educates color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=researches color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [label=labels color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [label=identifies color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label=guides color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_252.txt b/test/graphviz/graph_medium/graphviz_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8389114870279e5aee1b90c77da2605672e49e59
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_252.txt
@@ -0,0 +1,18 @@
+<Clinical Nutrition Support, connectedTo, Elderly Nutrition>
+<Clinical Nutrition Support, partOf, Clinical Nutrition Support>
+<Community Nutrition Workshops, connectedTo, Dietary Software Usage>
+<Dietary Software Usage, connectedTo, Restaurant Menu Analysis>
+<Elderly Nutrition, identifies, Sports Nutrition>
+<Elderly Nutrition, partOf, Elderly Nutrition>
+<Food Safety Education, connectedTo, Sports Nutrition>
+<Food Safety Education, educates, Gut Microbiome Health>
+<Gut Microbiome Health, connectedTo, Sports Nutrition>
+<Gut Microbiome Health, guides, Macronutrient Tracking>
+<Gut Microbiome Health, tracks, Body Composition Analysis>
+<Macronutrient Tracking, connectedTo, Body Composition Analysis>
+<Macronutrient Tracking, labels, Nutrigenomics Research>
+<Nutrigenomics Research, connectedTo, Clinical Nutrition Support>
+<Nutrigenomics Research, partOf, Nutrigenomics Research>
+<Restaurant Menu Analysis, connectedTo, Food Safety Education>
+<Restaurant Menu Analysis, connectedTo, Sports Nutrition>
+<Sports Nutrition, researches, Macronutrient Tracking>
diff --git a/test/graphviz/graph_medium/graphviz_253.txt b/test/graphviz/graph_medium/graphviz_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8b49694d6fd87712d2b77b9cc094f019895388d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_253.txt
@@ -0,0 +1,18 @@
+<Body Composition Analysis, connectedTo, Running Coaching>
+<Community Fitness Challenges, engages, Personalized Exercise Prescriptions>
+<Core Strengthening, advises, Community Fitness Challenges>
+<Corporate Wellness Programs, connectedTo, Community Fitness Challenges>
+<Corporate Wellness Programs, connectedTo, Core Strengthening>
+<Corporate Wellness Programs, connectedTo, Fitness Equipment Maintenance>
+<Corporate Wellness Programs, connectedTo, Personalized Exercise Prescriptions>
+<Corporate Wellness Programs, gamifies, Fitness Equipment Maintenance>
+<Cross_Training, connectedTo, Endurance Training>
+<Endurance Training, connectedTo, Corporate Wellness Programs>
+<Endurance Training, connectedTo, Virtual Fitness Classes>
+<Flexibility Training, connectedTo, Endurance Training>
+<Flexibility Training, partOf, Flexibility Training>
+<Personalized Exercise Prescriptions, personalizes, Fitness Equipment Maintenance>
+<Posture Correction, supports, Body Composition Analysis>
+<Running Coaching, sells, Cross_Training>
+<Virtual Fitness Classes, distributes, Flexibility Training>
+<Virtual Fitness Classes, partOf, Virtual Fitness Classes>
diff --git a/test/graphviz/graph_medium/graphviz_254.txt b/test/graphviz/graph_medium/graphviz_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a2c073fc81d435caf7b01f02f6ca40076347d4d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_254.txt
@@ -0,0 +1,26 @@
+<Balance and Coordination, connectedTo, Posture Correction>
+<Biometric Feedback Integration, assesses, Personal Training>
+<Cardiovascular Training, measures, Fitness Equipment Maintenance>
+<Community Fitness Challenges, connectedTo, Yoga Instruction>
+<Community Fitness Challenges, supports, Running Coaching>
+<Endurance Training, connectedTo, Motivation and Goal Setting>
+<Endurance Training, partOf, Endurance Training>
+<Flexibility Training, connectedTo, Workout Planning>
+<Motivation and Goal Setting, licenses, Youth Fitness Programs>
+<Motivation and Goal Setting, partOf, Motivation and Goal Setting>
+<Outdoor Fitness Activities, connectedTo, Community Fitness Challenges>
+<Outdoor Fitness Activities, connectedTo, Rehabilitation Exercises>
+<Personal Training, communicates, Youth Fitness Programs>
+<Personal Training, connectedTo, Cardiovascular Training>
+<Personal Training, connectedTo, Fitness Equipment Maintenance>
+<Posture Correction, connectedTo, Community Fitness Challenges>
+<Rehabilitation Exercises, connectedTo, Balance and Coordination>
+<Running Coaching, connectedTo, Endurance Training>
+<Running Coaching, partOf, Running Coaching>
+<Strength Training, connects, Outdoor Fitness Activities>
+<Workout Planning, connectedTo, Community Fitness Challenges>
+<Workout Planning, connectedTo, Personal Training>
+<Workout Planning, connectedTo, Strength Training>
+<Yoga Instruction, gamifies, Biometric Feedback Integration>
+<Yoga Instruction, prevents, Personal Training>
+<Youth Fitness Programs, researches, Cardiovascular Training>
diff --git a/test/graphviz/graph_medium/graphviz_255.dot b/test/graphviz/graph_medium/graphviz_255.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9eafcf07cb02b751bbfa32ea8a173c744b99ff3c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_255.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=BT
+	N0 [label=Cross_Training color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Workout Planning" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N2 [label="Personal Training" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N3 [label="Workout Tracking Apps" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N4 [label="Fitness Equipment Maintenance" color="#B0C5CD" fillcolor="#DFE7EB" shape=folder style=filled]
+	N5 [label="Mind_Body Connection" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N6 [label="Wearable Fitness Devices" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N7 [label="Outdoor Fitness Activities" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	S0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Sports_Specific Training" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Biometric Feedback Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest0_1 [label="Personalized Exercise Prescriptions" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=connects color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=supports color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=coaches color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=stretches color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N3 [label=designs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [label=develops color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=advises color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_255.txt b/test/graphviz/graph_medium/graphviz_255.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60236923b0d7c8cbd0fadff20c4454eabe7e73f8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_255.txt
@@ -0,0 +1,20 @@
+<Biometric Feedback Integration, connects, Personalized Exercise Prescriptions>
+<Biometric Feedback Integration, partOf, Biometric Feedback Integration>
+<Cross_Training, advises, Fitness Equipment Maintenance>
+<Cross_Training, connectedTo, Mind_Body Connection>
+<Cross_Training, connectedTo, Workout Planning>
+<Fitness Equipment Maintenance, coaches, Mind_Body Connection>
+<Mind_Body Connection, connectedTo, Wearable Fitness Devices>
+<Personal Training, connectedTo, Fitness Equipment Maintenance>
+<Personal Training, connectedTo, Workout Tracking Apps>
+<Personalized Exercise Prescriptions, designs, Workout Tracking Apps>
+<Personalized Exercise Prescriptions, partOf, Personalized Exercise Prescriptions>
+<Wearable Fitness Devices, stretches, Outdoor Fitness Activities>
+<Workout Planning, connectedTo, Fitness Equipment Maintenance>
+<Workout Planning, connectedTo, Mind_Body Connection>
+<Workout Planning, connectedTo, Personal Training>
+<Workout Planning, connectedTo, Workout Tracking Apps>
+<Workout Planning, develops, Fitness Equipment Maintenance>
+<Workout Tracking Apps, connectedTo, Biometric Feedback Integration>
+<Workout Tracking Apps, connectedTo, Mind_Body Connection>
+<Workout Tracking Apps, supports, Fitness Equipment Maintenance>
diff --git a/test/graphviz/graph_medium/graphviz_256.dot b/test/graphviz/graph_medium/graphviz_256.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9a3041c3188e17a14b8a909cc3bfb578b9ea9250
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_256.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=RL
+	N0 [label="Digital Detox" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N1 [label="Work_Life Balance Coaching" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N2 [label="Financial Wellness Planning" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N3 [label="Personal Growth Planning" color="#F7BEE0" fillcolor="#FAEBF3" shape=plaintext style=filled]
+	N4 [label="Behavior Change Support" color="#94C0C0" fillcolor="#CADEDE" shape=octagon style=filled]
+	N5 [label="Mindfulness Practice" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N6 [label="Resilience Building" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	S0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Gratitude Practice" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Massage Therapy" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest0_1 [label="Physical Activity Planning" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest0_2 [label="Positive Psychology Application" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=reduces color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label=protects color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [label=develops color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [label=enhances color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=plans color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_256.txt b/test/graphviz/graph_medium/graphviz_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3f5d9d33cb3b64352c52503136bec8f8939d83c8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_256.txt
@@ -0,0 +1,18 @@
+<Behavior Change Support, connectedTo, Mindfulness Practice>
+<Digital Detox, connectedTo, Personal Growth Planning>
+<Digital Detox, connectedTo, Work_Life Balance Coaching>
+<Digital Detox, develops, Financial Wellness Planning>
+<Digital Detox, enhances, Behavior Change Support>
+<Financial Wellness Planning, connectedTo, Personal Growth Planning>
+<Massage Therapy, partOf, Massage Therapy>
+<Massage Therapy, reduces, Physical Activity Planning>
+<Mindfulness Practice, connectedTo, Resilience Building>
+<Personal Growth Planning, connectedTo, Behavior Change Support>
+<Personal Growth Planning, connectedTo, Resilience Building>
+<Personal Growth Planning, plans, Mindfulness Practice>
+<Physical Activity Planning, connectedTo, Positive Psychology Application>
+<Physical Activity Planning, partOf, Physical Activity Planning>
+<Positive Psychology Application, connectedTo, Work_Life Balance Coaching>
+<Positive Psychology Application, partOf, Positive Psychology Application>
+<Work_Life Balance Coaching, connectedTo, Financial Wellness Planning>
+<Work_Life Balance Coaching, protects, Massage Therapy>
diff --git a/test/graphviz/graph_medium/graphviz_257.dot b/test/graphviz/graph_medium/graphviz_257.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d4d6bf7ab2caa2fd61bcedebcb313571d737d372
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_257.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=RL
+	N0 [label="Personal Growth Planning" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N1 [label="Massage Therapy" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N2 [label="Alternative Therapies" color="#BDAFA8" fillcolor="#E4E0DF" shape=folder style=filled]
+	N3 [label="Community Wellness Programs" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N4 [label="Positive Psychology Application" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N5 [label="Self_Care Routine Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N6 [label="Gratitude Practice" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N7 [label="Behavior Change Support" color="#A1887F" fillcolor="#EFEBE9" shape=oval style=filled]
+	N8 [label="Wellness Retreat Planning" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	M0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Sleep Optimization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Mindfulness Practice" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+		nest0_1 [label="Financial Wellness Planning" color="#BDAFA8" fillcolor="#E4E0DF" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [label=engages color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=stress_reduces color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_0 -> N2 [label=plans color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_258.dot b/test/graphviz/graph_medium/graphviz_258.dot
new file mode 100644
index 0000000000000000000000000000000000000000..69c404cf2d456606e30b45051eac842b3f07a3f1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_258.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=BT
+	N0 [label="Health Coaching" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label="Nutrition Guidance" color="#7E57C2" fillcolor="#EDE7F6" shape=oval style=filled]
+	N2 [label="Digital Detox" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
+	N3 [label="Stress Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N4 [label="Immune System Support" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N5 [label="Detox Programs" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N6 [label="Burnout Prevention" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N7 [label="Alternative Therapies" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N8 [label="Massage Therapy" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#61CAC3" fillcolor="#C2E8E6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Self_Care Routine Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sleep Optimization" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+		nest0_1 [label="Holistic Health Assessment" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+		nest0_2 [label="Biofeedback Training" color="#BDBDBD" fillcolor="#F5F5F5" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [label=develops color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=personalizes color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=monitors color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=reduces color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [label=integrates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_258.txt b/test/graphviz/graph_medium/graphviz_258.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ab15ccaf7fb687e924a1bb9288029fd199da65b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_258.txt
@@ -0,0 +1,20 @@
+<Alternative Therapies, connectedTo, Massage Therapy>
+<Biofeedback Training, connectedTo, Burnout Prevention>
+<Biofeedback Training, partOf, Biofeedback Training>
+<Burnout Prevention, connectedTo, Alternative Therapies>
+<Detox Programs, monitors, Burnout Prevention>
+<Digital Detox, connectedTo, Detox Programs>
+<Digital Detox, connectedTo, Massage Therapy>
+<Digital Detox, connectedTo, Stress Management>
+<Digital Detox, integrates, Immune System Support>
+<Digital Detox, reduces, Burnout Prevention>
+<Health Coaching, connectedTo, Nutrition Guidance>
+<Holistic Health Assessment, partOf, Holistic Health Assessment>
+<Holistic Health Assessment, personalizes, Biofeedback Training>
+<Immune System Support, connectedTo, Detox Programs>
+<Nutrition Guidance, connectedTo, Digital Detox>
+<Nutrition Guidance, connectedTo, Sleep Optimization>
+<Sleep Optimization, develops, Holistic Health Assessment>
+<Sleep Optimization, partOf, Sleep Optimization>
+<Stress Management, connectedTo, Detox Programs>
+<Stress Management, connectedTo, Immune System Support>
diff --git a/test/graphviz/graph_medium/graphviz_259.txt b/test/graphviz/graph_medium/graphviz_259.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7959c502ac3d97cb06f92b0214c40f26c320b2da
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_259.txt
@@ -0,0 +1,24 @@
+<Acoustic Treatment, connectedTo, Flooring Specification>
+<Acoustic Treatment, connectedTo, Smart Home Technology Integration>
+<Bedroom Design, partOf, Bedroom Design>
+<Bedroom Design, presents, Project Management>
+<Budget Management, connectedTo, Feng Shui Consultation>
+<CAD Drafting, connectedTo, Post_Occupancy Evaluation>
+<Commercial Interior Design, connectedTo, Post_Occupancy Evaluation>
+<Commercial Interior Design, connectedTo, Project Management>
+<Commercial Interior Design, connectedTo, Retail Interior Design>
+<Commercial Interior Design, manages, Feng Shui Consultation>
+<Concept Development, connectedTo, Wall Treatment Selection>
+<Custom Furniture Design, connectedTo, Concept Development>
+<Ergonomics Integration, certifies, Bedroom Design>
+<Ergonomics Integration, partOf, Ergonomics Integration>
+<Feng Shui Consultation, connectedTo, Project Management>
+<Flooring Specification, connectedTo, Commercial Interior Design>
+<Material and Finish Specification, connectedTo, Acoustic Treatment>
+<Material and Finish Specification, connectedTo, Flooring Specification>
+<Post_Occupancy Evaluation, connectedTo, Budget Management>
+<Residential Interior Design, transforms, Material and Finish Specification>
+<Retail Interior Design, connectedTo, CAD Drafting>
+<Smart Home Technology Integration, connectedTo, Ergonomics Integration>
+<Smart Home Technology Integration, designs, Custom Furniture Design>
+<Wall Treatment Selection, visualizes, Flooring Specification>
diff --git a/test/graphviz/graph_medium/graphviz_26.txt b/test/graphviz/graph_medium/graphviz_26.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f79ed38207e2684211256e389cdda435e8c35b5e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_26.txt
@@ -0,0 +1,19 @@
+<Air Cargo Handling, partOf, Air Cargo Handling>
+<Air Cargo Handling, syncs, Fleet Maintenance Scheduling>
+<Consolidation, connectedTo, Driver Check_in>
+<Consolidation, connectedTo, Last_mile Dispatch>
+<Consolidation, connectedTo, Route Optimization Software>
+<Deconsolidation, loads, Consolidation>
+<Deconsolidation, partOf, Deconsolidation>
+<Delay Notification, connectedTo, Air Cargo Handling>
+<Delay Notification, partOf, Delay Notification>
+<Demand Forecasting Integration, connectedTo, Rail Transport Coordination>
+<Demand Forecasting Integration, connectedTo, Route Optimization Software>
+<Driver Check_in, connectedTo, Last_mile Dispatch>
+<Driver Check_in, distributes, Route Optimization Software>
+<Fleet Maintenance Scheduling, connectedTo, Deconsolidation>
+<Fleet Maintenance Scheduling, partOf, Fleet Maintenance Scheduling>
+<Last_mile Dispatch, audits, Warehouse Entry>
+<Last_mile Dispatch, routes, Delay Notification>
+<Rail Transport Coordination, connectedTo, Consolidation>
+<Warehouse Entry, transfers, Route Optimization Software>
diff --git a/test/graphviz/graph_medium/graphviz_260.dot b/test/graphviz/graph_medium/graphviz_260.dot
new file mode 100644
index 0000000000000000000000000000000000000000..227d510f55cff39144540c7749989c8050e88eef
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_260.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=BT
+	N0 [label="Post_Occupancy Evaluation" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N1 [label="Office Space Design" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Textile and Fabric Selection" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N3 [label="Smart Home Technology Integration" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N4 [label="Furniture Selection" color="#8C9EFF" fillcolor="#D3D7EB" shape=plaintext style=filled]
+	N5 [label="Hospitality Interior Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N6 [label="Site Measurement" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N7 [label="Building Code Compliance" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N8 [label="Commercial Interior Design" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N9 [label="Material and Finish Specification" color="#AB47BC" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N10 [label="Art and Accessory Curation" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N11 [label="Acoustic Treatment" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N12 [label="Construction Documentation" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N13 [label="Retail Interior Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Space Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Ventilation Planning" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_1 [label="Kitchen Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=Mdiamond style=filled]
+		nest0_2 [label="Bedroom Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=markets color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=photographs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=renders color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=styles color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label=arranges color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_260.txt b/test/graphviz/graph_medium/graphviz_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bfaad1ce8bccebdb7755282748416a269724c684
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_260.txt
@@ -0,0 +1,27 @@
+<Acoustic Treatment, connectedTo, Construction Documentation>
+<Art and Accessory Curation, connectedTo, Acoustic Treatment>
+<Bedroom Design, connectedTo, Art and Accessory Curation>
+<Bedroom Design, partOf, Bedroom Design>
+<Building Code Compliance, connectedTo, Commercial Interior Design>
+<Commercial Interior Design, connectedTo, Material and Finish Specification>
+<Commercial Interior Design, connectedTo, Ventilation Planning>
+<Construction Documentation, connectedTo, Retail Interior Design>
+<Furniture Selection, connectedTo, Hospitality Interior Design>
+<Hospitality Interior Design, renders, Site Measurement>
+<Kitchen Design, connectedTo, Bedroom Design>
+<Kitchen Design, partOf, Kitchen Design>
+<Material and Finish Specification, styles, Art and Accessory Curation>
+<Office Space Design, arranges, Furniture Selection>
+<Office Space Design, connectedTo, Smart Home Technology Integration>
+<Office Space Design, markets, Textile and Fabric Selection>
+<Post_Occupancy Evaluation, connectedTo, Furniture Selection>
+<Post_Occupancy Evaluation, connectedTo, Office Space Design>
+<Post_Occupancy Evaluation, connectedTo, Smart Home Technology Integration>
+<Site Measurement, connectedTo, Art and Accessory Curation>
+<Site Measurement, connectedTo, Building Code Compliance>
+<Site Measurement, connectedTo, Retail Interior Design>
+<Smart Home Technology Integration, connectedTo, Furniture Selection>
+<Textile and Fabric Selection, connectedTo, Furniture Selection>
+<Textile and Fabric Selection, photographs, Smart Home Technology Integration>
+<Ventilation Planning, connectedTo, Kitchen Design>
+<Ventilation Planning, partOf, Ventilation Planning>
diff --git a/test/graphviz/graph_medium/graphviz_261.dot b/test/graphviz/graph_medium/graphviz_261.dot
new file mode 100644
index 0000000000000000000000000000000000000000..46065079e30a18e9f2540366960138fbf10041af
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_261.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Wall Treatment Selection" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Ergonomics Integration" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N2 [label="Budget Management" color="#673AB7" fillcolor="#D1C4E9" shape=folder style=filled]
+	N3 [label="Project Management" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N4 [label="Sustainable Design Practices" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N5 [label="Universal Design Principles" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N6 [label="Office Space Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=Mdiamond style=filled]
+	N7 [label="Mood Board Creation" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N8 [label="Bathroom Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N9 [label="Lighting Design" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N10 [label="Smart Home Technology Integration" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N11 [label="Kitchen Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N12 [label="Commercial Interior Design" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N13 [label="Installation Supervision" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	S0 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Living Room Design" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Hospitality Interior Design" color="#673AB7" fillcolor="#D1C4E9" shape=folder style=filled]
+		nest0_1 [label="Feng Shui Consultation" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=certifies color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=surveys color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=supervises color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=sources color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=lights color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=models color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [label=customizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [label=audits color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_262.dot b/test/graphviz/graph_medium/graphviz_262.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ade7f7a606a44038ad8ca8dee570ab5646cdb614
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_262.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Speech Recognition" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N1 [label="API Integration for Translation Services" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N2 [label="Speaker Diarization" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Sentiment Analysis in Translation" color="#6FE1D5" fillcolor="#C9EFEC" shape=Mdiamond style=filled]
+	N4 [label="Real_Time Document Translation" color="#388E3C" fillcolor="#F1F8E9" shape=octagon style=filled]
+	N5 [label="Custom Vocabulary Integration" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N6 [label="Consecutive Interpretation" color="#CDDC39" fillcolor="#E6EE9C" shape=folder style=filled]
+	N7 [label="Medical Translation" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N8 [label="Offline Translation Capabilities" color="#CDDC39" fillcolor="#E6EE9C" shape=plaintext style=filled]
+	N9 [label="Neural Machine Translation" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#CDDC39" fillcolor="#E6EE9C" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#CDDC39" fillcolor="#E6EE9C" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Technical Manual Translation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Accent Adaptation" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_1 [label="Real_Time Captioning" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+		nest0_2 [label="Meeting Translation Systems" color="#CDDC39" fillcolor="#E6EE9C" shape=Mdiamond style=filled]
+		nest0_3 [label="Cross_Lingual Communication" color="#CDDC39" fillcolor="#E6EE9C" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=interprets color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=pronounces color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N5 [label=detects color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=supports color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_262.txt b/test/graphviz/graph_medium/graphviz_262.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e58b917ba09cfff570b0aa1271ed0cb37b7f9003
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_262.txt
@@ -0,0 +1,24 @@
+<API Integration for Translation Services, connectedTo, Neural Machine Translation>
+<API Integration for Translation Services, connectedTo, Speaker Diarization>
+<Accent Adaptation, connectedTo, Real_Time Captioning>
+<Accent Adaptation, partOf, Accent Adaptation>
+<Consecutive Interpretation, connectedTo, Medical Translation>
+<Consecutive Interpretation, connectedTo, Neural Machine Translation>
+<Consecutive Interpretation, connectedTo, Offline Translation Capabilities>
+<Cross_Lingual Communication, detects, Custom Vocabulary Integration>
+<Cross_Lingual Communication, partOf, Cross_Lingual Communication>
+<Custom Vocabulary Integration, connectedTo, Consecutive Interpretation>
+<Medical Translation, connectedTo, Accent Adaptation>
+<Medical Translation, connectedTo, Offline Translation Capabilities>
+<Meeting Translation Systems, connectedTo, Cross_Lingual Communication>
+<Meeting Translation Systems, partOf, Meeting Translation Systems>
+<Offline Translation Capabilities, connectedTo, Neural Machine Translation>
+<Real_Time Captioning, interprets, Meeting Translation Systems>
+<Real_Time Captioning, partOf, Real_Time Captioning>
+<Real_Time Document Translation, connectedTo, Custom Vocabulary Integration>
+<Sentiment Analysis in Translation, connectedTo, Neural Machine Translation>
+<Sentiment Analysis in Translation, connectedTo, Real_Time Document Translation>
+<Speaker Diarization, connectedTo, Sentiment Analysis in Translation>
+<Speech Recognition, connectedTo, Consecutive Interpretation>
+<Speech Recognition, pronounces, API Integration for Translation Services>
+<Speech Recognition, supports, Medical Translation>
diff --git a/test/graphviz/graph_medium/graphviz_263.txt b/test/graphviz/graph_medium/graphviz_263.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44a7a3b9510dfa9583e38dfdec8a4b06a080e412
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_263.txt
@@ -0,0 +1,25 @@
+<Consecutive Interpretation, connectedTo, Language Detection>
+<Consecutive Interpretation, connectedTo, Legal Document Translation>
+<Consecutive Interpretation, connectedTo, Subtitling Generation>
+<Consecutive Interpretation, translates, Multimodal Translation>
+<Contextual Understanding, connectedTo, Emotion Detection in Speech>
+<Contextual Understanding, partOf, Contextual Understanding>
+<Custom Vocabulary Integration, recognizes, Offline Translation Capabilities>
+<Customer Support Translation, connectedTo, Dialect Recognition>
+<Dialect Recognition, connectedTo, Consecutive Interpretation>
+<Emotion Detection in Speech, connectedTo, Sentiment Analysis in Translation>
+<Emotion Detection in Speech, partOf, Emotion Detection in Speech>
+<Language Detection, connectedTo, Multimodal Translation>
+<Legal Document Translation, connectedTo, Contextual Understanding>
+<Legal Document Translation, monitors, Custom Vocabulary Integration>
+<Live Event Translation, connectedTo, Multimodal Translation>
+<Live Event Translation, connectedTo, Tone Recognition>
+<Multimodal Translation, connectedTo, Rule_Based Machine Translation>
+<Noise Reduction for Speech Input, develops, Subtitling Generation>
+<Rule_Based Machine Translation, connectedTo, Sentiment Analysis in Translation>
+<Sentiment Analysis in Translation, connectedTo, Noise Reduction for Speech Input>
+<Subtitling Generation, connectedTo, Wearable Translation Devices>
+<Text_to_Speech Synthesis, transcribes, Legal Document Translation>
+<Tone Recognition, connectedTo, Customer Support Translation>
+<Tone Recognition, synthesizes, Multimodal Translation>
+<Wearable Translation Devices, connectedTo, Text_to_Speech Synthesis>
diff --git a/test/graphviz/graph_medium/graphviz_264.txt b/test/graphviz/graph_medium/graphviz_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b62f4b8c2f9f2411b8b661a546383470fdbc5de
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_264.txt
@@ -0,0 +1,18 @@
+<Customer Support Translation, partOf, Customer Support Translation>
+<Customer Support Translation, pronounces, Legal Document Translation>
+<Domain_Specific Translation Models, connectedTo, Meeting Translation Systems>
+<Domain_Specific Translation Models, connectedTo, Neural Machine Translation>
+<Domain_Specific Translation Models, connectedTo, Voice Biometrics>
+<Domain_Specific Translation Models, inputs, Neural Machine Translation>
+<Domain_Specific Translation Models, transcribes, Live Event Translation>
+<Emotion Detection in Speech, translates, Domain_Specific Translation Models>
+<Language Detection, connectedTo, Emotion Detection in Speech>
+<Legal Document Translation, connectedTo, Voice Biometrics>
+<Legal Document Translation, partOf, Legal Document Translation>
+<Legal Document Translation, synthesizes, Customer Support Translation>
+<Live Event Translation, connectedTo, Neural Machine Translation>
+<Meeting Translation Systems, partOf, Meeting Translation Systems>
+<Meeting Translation Systems, recognizes, Offline Translation Capabilities>
+<Neural Machine Translation, connectedTo, Voice Biometrics>
+<Offline Translation Capabilities, connectedTo, Customer Support Translation>
+<Offline Translation Capabilities, partOf, Offline Translation Capabilities>
diff --git a/test/graphviz/graph_medium/graphviz_265.txt b/test/graphviz/graph_medium/graphviz_265.txt
new file mode 100644
index 0000000000000000000000000000000000000000..366f2efc613050490253952bd89652b6afa4b23d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_265.txt
@@ -0,0 +1,21 @@
+<3D Modeling from Drone Data, connectedTo, Aerial Photography>
+<AI for Drone Autonomy, connectedTo, 3D Modeling from Drone Data>
+<Aerial Photography, connectedTo, Swarm Robotics for Drones>
+<Autonomous Flight, simulates, Security Surveillance>
+<Battery Management System, connectedTo, Navigation System>
+<Counter_Drone Systems, connectedTo, Autonomous Flight>
+<Counter_Drone Systems, connectedTo, Payload Customization>
+<Counter_Drone Systems, connectedTo, Security Surveillance>
+<Drone Data Security, connectedTo, Search and Rescue Operations>
+<Endurance Optimization, maps, Counter_Drone Systems>
+<Endurance Optimization, partOf, Endurance Optimization>
+<Mapping and Surveying, repairs, Counter_Drone Systems>
+<Mapping and Surveying, tests, Battery Management System>
+<Navigation System, connectedTo, AI for Drone Autonomy>
+<Payload Customization, identifies, Autonomous Flight>
+<Search and Rescue Operations, connectedTo, Counter_Drone Systems>
+<Search and Rescue Operations, connectedTo, Mapping and Surveying>
+<Swarm Robotics for Drones, connectedTo, Counter_Drone Systems>
+<Swarm Robotics for Drones, connectedTo, Thermal Imaging with Drones>
+<Thermal Imaging with Drones, partOf, Thermal Imaging with Drones>
+<Thermal Imaging with Drones, visualizes, Endurance Optimization>
diff --git a/test/graphviz/graph_medium/graphviz_266.dot b/test/graphviz/graph_medium/graphviz_266.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3dab69de902abc19b23fa490c154c6d9cf7337ae
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_266.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="AI for Drone Autonomy" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Propeller Design" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Sensor Integration" color="#FFE69C" fillcolor="#FFF9D4" shape=folder style=filled]
+	N3 [label="Search and Rescue Operations" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N4 [label="Wildlife Tracking" color="#FFE69C" fillcolor="#FFF9D4" shape=Mdiamond style=filled]
+	N5 [label="Airspace Management for Drones" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N6 [label="Aerial Photography" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N7 [label="Security Surveillance" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N8 [label="Navigation System" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Environmental Monitoring" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Delivery Services" color="#FFE69C" fillcolor="#FFF9D4" shape=plaintext style=filled]
+		nest0_1 [label="Drone Regulations Compliance" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_2 [label="Battery Management System" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest0_3 [label="Autonomous Flight" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=analyzes color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=educates color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=identifies color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=monitors color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=regulates color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [label=designs color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_269.dot b/test/graphviz/graph_medium/graphviz_269.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0cbb45f4acb9491cb37fbdec22a9ccec9c11f31d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_269.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=TD
+	N0 [label="Driver Monitoring Systems" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N1 [label="Insurance Models for AVs" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N2 [label="Automatic Emergency Braking" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N3 [label="Perception System" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N4 [label="Decision_Making Algorithms" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N5 [label="Charging Infrastructure" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N6 [label="Accident Reconstruction for AVs" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N7 [label="Parking Assistance Systems" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	S0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Remote Operation Capability" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Object Detection and Classification" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+		nest0_1 [label="Regulatory Compliance" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+		nest0_2 [label="Traffic Sign Recognition" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+		nest0_3 [label="Edge Computing for AVs" color="#F7BEE0" fillcolor="#FAEBF3" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=optimizes color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=recognizes color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [label=certifies color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N1 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=learns color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=communicates color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_269.txt b/test/graphviz/graph_medium/graphviz_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b44776acdc05a56c0d88905c546b94306ec79cf
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_269.txt
@@ -0,0 +1,24 @@
+<Accident Reconstruction for AVs, certifies, Object Detection and Classification>
+<Accident Reconstruction for AVs, connectedTo, Parking Assistance Systems>
+<Automatic Emergency Braking, connectedTo, Perception System>
+<Charging Infrastructure, connectedTo, Accident Reconstruction for AVs>
+<Charging Infrastructure, connectedTo, Parking Assistance Systems>
+<Decision_Making Algorithms, connectedTo, Charging Infrastructure>
+<Decision_Making Algorithms, connectedTo, Parking Assistance Systems>
+<Driver Monitoring Systems, connectedTo, Charging Infrastructure>
+<Driver Monitoring Systems, connectedTo, Insurance Models for AVs>
+<Driver Monitoring Systems, connectedTo, Parking Assistance Systems>
+<Edge Computing for AVs, connectedTo, Insurance Models for AVs>
+<Edge Computing for AVs, partOf, Edge Computing for AVs>
+<Insurance Models for AVs, connectedTo, Accident Reconstruction for AVs>
+<Insurance Models for AVs, connectedTo, Perception System>
+<Insurance Models for AVs, learns, Charging Infrastructure>
+<Insurance Models for AVs, recognizes, Automatic Emergency Braking>
+<Object Detection and Classification, connectedTo, Regulatory Compliance>
+<Object Detection and Classification, partOf, Object Detection and Classification>
+<Perception System, communicates, Charging Infrastructure>
+<Perception System, connectedTo, Decision_Making Algorithms>
+<Regulatory Compliance, connectedTo, Traffic Sign Recognition>
+<Regulatory Compliance, partOf, Regulatory Compliance>
+<Traffic Sign Recognition, optimizes, Edge Computing for AVs>
+<Traffic Sign Recognition, partOf, Traffic Sign Recognition>
diff --git a/test/graphviz/graph_medium/graphviz_27.dot b/test/graphviz/graph_medium/graphviz_27.dot
new file mode 100644
index 0000000000000000000000000000000000000000..24905de8fba94f83ee8e7adb4c658433b90170cf
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_27.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=TD
+	N0 [label="Invoice Matching" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="Route Assignment" color="#82DAFF" fillcolor="#C8EDFF" shape=folder style=filled]
+	N2 [label="Rail Transport Coordination" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N3 [label="Package Labeling" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N4 [label="Supply Chain Visibility" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N5 [label="Pickup Request" color="#6FE1D5" fillcolor="#C9EFEC" shape=plaintext style=filled]
+	N6 [label="Delay Notification" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Delivery Confirmation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Barcode Scanning" color="#FFC085" fillcolor="#FFDAB9" shape=plaintext style=filled]
+		nest0_1 [label="Demand Forecasting Integration" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+		nest0_2 [label="Damage Reporting" color="#6FE1D5" fillcolor="#C9EFEC" shape=octagon style=filled]
+		nest0_3 [label="Hub Transfer" color="#FFC085" fillcolor="#FFDAB9" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label=inspects color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=integrates color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label=matches color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [label=measures color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=tracks color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_27.txt b/test/graphviz/graph_medium/graphviz_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..14ab5d6f86f2a8606db416547509fabd7715980e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_27.txt
@@ -0,0 +1,20 @@
+<Barcode Scanning, connectedTo, Demand Forecasting Integration>
+<Barcode Scanning, partOf, Barcode Scanning>
+<Damage Reporting, inspects, Hub Transfer>
+<Damage Reporting, partOf, Damage Reporting>
+<Demand Forecasting Integration, connectedTo, Damage Reporting>
+<Demand Forecasting Integration, partOf, Demand Forecasting Integration>
+<Hub Transfer, connectedTo, Supply Chain Visibility>
+<Hub Transfer, partOf, Hub Transfer>
+<Invoice Matching, connectedTo, Supply Chain Visibility>
+<Invoice Matching, integrates, Route Assignment>
+<Package Labeling, connectedTo, Supply Chain Visibility>
+<Pickup Request, connectedTo, Delay Notification>
+<Rail Transport Coordination, connectedTo, Package Labeling>
+<Rail Transport Coordination, connectedTo, Supply Chain Visibility>
+<Rail Transport Coordination, matches, Barcode Scanning>
+<Rail Transport Coordination, measures, Pickup Request>
+<Rail Transport Coordination, tracks, Supply Chain Visibility>
+<Route Assignment, connectedTo, Rail Transport Coordination>
+<Route Assignment, connectedTo, Supply Chain Visibility>
+<Supply Chain Visibility, connectedTo, Pickup Request>
diff --git a/test/graphviz/graph_medium/graphviz_270.dot b/test/graphviz/graph_medium/graphviz_270.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bfcf4ef9199b78bfccd519f96533307ed08ec3d7
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_270.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Motion Control" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N1 [label="Charging Infrastructure" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N2 [label="Simulation Environment Development" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N3 [label="Path Planning" color="#C0CA33" fillcolor="#F9FBE7" shape=octagon style=filled]
+	N4 [label="Human_Machine Interface" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N5 [label="Automatic Emergency Braking" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N6 [label="Fail_Safe Systems" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	M0 [label="" color="#7986CB" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Remote Operation Capability" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Vehicle_to_Infrastructure Communication" color="#7986CB" fillcolor="#E8EAF6" shape=folder style=filled]
+		nest0_1 [label="Battery Management for EVs" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+		nest0_2 [label="Perception System" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+		nest0_3 [label="Edge Computing for AVs" color="#F7BEE0" fillcolor="#FAEBF3" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=plans color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=informs color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=communicates color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [label=diagnoses color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=controls color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N0 [label=maps color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_270.txt b/test/graphviz/graph_medium/graphviz_270.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2553c009e12ad4ae3d9e2ca005bf4e7fa3a27ed9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_270.txt
@@ -0,0 +1,19 @@
+<Automatic Emergency Braking, communicates, Fail_Safe Systems>
+<Battery Management for EVs, partOf, Battery Management for EVs>
+<Battery Management for EVs, plans, Perception System>
+<Charging Infrastructure, connectedTo, Simulation Environment Development>
+<Charging Infrastructure, maps, Motion Control>
+<Edge Computing for AVs, connectedTo, Fail_Safe Systems>
+<Edge Computing for AVs, diagnoses, Simulation Environment Development>
+<Edge Computing for AVs, partOf, Edge Computing for AVs>
+<Human_Machine Interface, connectedTo, Automatic Emergency Braking>
+<Human_Machine Interface, connectedTo, Vehicle_to_Infrastructure Communication>
+<Motion Control, connectedTo, Charging Infrastructure>
+<Motion Control, controls, Automatic Emergency Braking>
+<Path Planning, connectedTo, Human_Machine Interface>
+<Perception System, connectedTo, Edge Computing for AVs>
+<Perception System, partOf, Perception System>
+<Simulation Environment Development, connectedTo, Automatic Emergency Braking>
+<Simulation Environment Development, informs, Path Planning>
+<Vehicle_to_Infrastructure Communication, connectedTo, Battery Management for EVs>
+<Vehicle_to_Infrastructure Communication, partOf, Vehicle_to_Infrastructure Communication>
diff --git a/test/graphviz/graph_medium/graphviz_271.dot b/test/graphviz/graph_medium/graphviz_271.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b634b2093376e940305719ebeb93d64d239f06ee
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_271.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Scooter_sharing Services" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N1 [label="Fleet Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N2 [label="Carbon Emission Tracking" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N3 [label="Passenger Safety Protocols" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N4 [label="Accessibility for Users" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N5 [label="Route Optimization" color="#90A4AE" fillcolor="#ECEFF1" shape=plaintext style=filled]
+	N6 [label="Car_sharing Services" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N7 [label="Vehicle Location Tracking" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N8 [label="User Rating and Feedback Systems" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N9 [label="Subscription Model Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
+	N10 [label="Sustainability Initiatives" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	S0 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Maintenance Scheduling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Regulatory Compliance" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+		nest0_1 [label="Charging or Refueling Logistics" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+		nest0_2 [label="Public_Private Partnerships" color="#90A4AE" fillcolor="#ECEFF1" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [label=analyzes color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=tracks color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=parks color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=authenticates color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N7 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [label=services color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_272.txt b/test/graphviz/graph_medium/graphviz_272.txt
new file mode 100644
index 0000000000000000000000000000000000000000..78b63675ef0f32e134f1529fd4a57534e2d81948
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_272.txt
@@ -0,0 +1,28 @@
+<Customer Support, connectedTo, Demand Prediction>
+<Customer Support, regulates, Scooter_sharing Services>
+<Customer Support, secures, Public_Private Partnerships>
+<Demand Prediction, innovates, Accessibility for Users>
+<Dynamic Pricing, parks, Demand Prediction>
+<Fraud Prevention, connectedTo, Passenger Safety Protocols>
+<Fraud Prevention, connectedTo, Payment Processing>
+<Maintenance Scheduling, connectedTo, Customer Support>
+<Parking Integration, connectedTo, Maintenance Scheduling>
+<Passenger Safety Protocols, connectedTo, Ticketing and Fare Collection>
+<Passenger Safety Protocols, partOf, Passenger Safety Protocols>
+<Payment Processing, analyzes, Dynamic Pricing>
+<Payment Processing, connectedTo, Parking Integration>
+<Public Transit Integration, connectedTo, Regulatory Compliance>
+<Public Transit Integration, partOf, Public Transit Integration>
+<Public_Private Partnerships, cleans, Dynamic Pricing>
+<Public_Private Partnerships, complies, Scooter_sharing Services>
+<Regulatory Compliance, connectedTo, User Registration>
+<Regulatory Compliance, partOf, Regulatory Compliance>
+<Route Optimization, connectedTo, Dynamic Pricing>
+<Route Optimization, connectedTo, Fraud Prevention>
+<Route Optimization, connectedTo, Payment Processing>
+<Scooter_sharing Services, connectedTo, User Registration>
+<Ticketing and Fare Collection, forecasts, Public Transit Integration>
+<Ticketing and Fare Collection, partOf, Ticketing and Fare Collection>
+<User Registration, connectedTo, Dynamic Pricing>
+<Vehicle Rebalancing, books, Route Optimization>
+<Vehicle Rebalancing, connectedTo, Payment Processing>
diff --git a/test/graphviz/graph_medium/graphviz_273.txt b/test/graphviz/graph_medium/graphviz_273.txt
new file mode 100644
index 0000000000000000000000000000000000000000..acc4ac309ce919c183dfc5bc0860c1f2eae9ab8f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_273.txt
@@ -0,0 +1,24 @@
+<Bike_sharing Services, authenticates, Ride_sharing Services>
+<Customer Support, partOf, Customer Support>
+<Customer Support, rides, Supply_Demand Balancing>
+<Data Analytics for Usage Patterns, integrates, Insurance Models>
+<Demand Prediction, connectedTo, Sustainability Initiatives>
+<Fraud Prevention, responds, User Onboarding>
+<Geofencing for Operations, connectedTo, User Registration>
+<Insurance Models, connectedTo, Fraud Prevention>
+<Insurance Models, connectedTo, User Rating and Feedback Systems>
+<Insurance Models, monitors, Vehicle Rebalancing>
+<Parking Integration, connectedTo, Vehicle Booking>
+<Ride_sharing Services, connectedTo, Fraud Prevention>
+<Scooter_sharing Services, connectedTo, Demand Prediction>
+<Supply_Demand Balancing, connectedTo, Insurance Models>
+<Supply_Demand Balancing, partOf, Supply_Demand Balancing>
+<Sustainability Initiatives, routes, Parking Integration>
+<User Onboarding, connectedTo, Customer Support>
+<User Onboarding, connectedTo, Payment Processing>
+<User Rating and Feedback Systems, connectedTo, Vehicle Booking>
+<User Rating and Feedback Systems, dispatches, Data Analytics for Usage Patterns>
+<User Registration, connectedTo, User Rating and Feedback Systems>
+<Vehicle Booking, connectedTo, Bike_sharing Services>
+<Vehicle Rebalancing, connectedTo, Scooter_sharing Services>
+<Vehicle Rebalancing, locates, Fraud Prevention>
diff --git a/test/graphviz/graph_medium/graphviz_274.dot b/test/graphviz/graph_medium/graphviz_274.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9b87a689a557b873d430b79ac80cee72d4b927d9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_274.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=LR
+	N0 [label="Permit Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N1 [label="Access Control Systems" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N2 [label="IoT Sensors for Parking" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+	N3 [label="Automated Payment" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N4 [label="Revenue Management" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N5 [label="Off_Street Parking Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N6 [label="Parking Guidance Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N7 [label="Edge Computing for Parking Data" color="#E0E0E0" fillcolor="#EBEBEB" shape=folder style=filled]
+	N8 [label="Ticketing System Integration" color="#BDAFA8" fillcolor="#E4E0DF" shape=folder style=filled]
+	N9 [label="User Experience Design for Apps" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N10 [label="Maintenance of Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N11 [label="Security Surveillance" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Integration with Navigation Apps" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Customer Support" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest0_1 [label="Space Detection" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+		nest0_2 [label="Real_Time Information Display" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=warns color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=secures color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=detects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=communicates color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=integrates color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=maintains color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N4 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=alerts color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_274.txt b/test/graphviz/graph_medium/graphviz_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6cfd45f821669ec0f6c5b95f524310c2a1f3ca89
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_274.txt
@@ -0,0 +1,23 @@
+<Access Control Systems, alerts, Off_Street Parking Management>
+<Access Control Systems, connectedTo, IoT Sensors for Parking>
+<Automated Payment, connectedTo, Off_Street Parking Management>
+<Automated Payment, warns, Revenue Management>
+<Customer Support, connectedTo, Space Detection>
+<Customer Support, partOf, Customer Support>
+<Edge Computing for Parking Data, communicates, Ticketing System Integration>
+<IoT Sensors for Parking, connectedTo, Automated Payment>
+<IoT Sensors for Parking, connectedTo, Off_Street Parking Management>
+<Maintenance of Systems, connectedTo, Customer Support>
+<Maintenance of Systems, maintains, Security Surveillance>
+<Off_Street Parking Management, connectedTo, Parking Guidance Systems>
+<Parking Guidance Systems, connectedTo, Security Surveillance>
+<Parking Guidance Systems, connectedTo, User Experience Design for Apps>
+<Parking Guidance Systems, detects, Edge Computing for Parking Data>
+<Permit Management, connectedTo, Access Control Systems>
+<Real_Time Information Display, connectedTo, Revenue Management>
+<Real_Time Information Display, partOf, Real_Time Information Display>
+<Revenue Management, secures, Off_Street Parking Management>
+<Space Detection, connectedTo, Real_Time Information Display>
+<Space Detection, partOf, Space Detection>
+<Ticketing System Integration, integrates, User Experience Design for Apps>
+<User Experience Design for Apps, connectedTo, Maintenance of Systems>
diff --git a/test/graphviz/graph_medium/graphviz_275.dot b/test/graphviz/graph_medium/graphviz_275.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ac24a8e7296df26a5bddd3efba69996016b6eb19
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_275.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Barrier Gate Control" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Mobile Parking Apps" color="#FFCC7A" fillcolor="#FFF6D9" shape=oval style=filled]
+	N2 [label="Edge Computing for Parking Data" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N3 [label="Access Control Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=folder style=filled]
+	N4 [label="License Plate Recognition" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+	N5 [label="Automated Payment" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="On_Street Parking Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Real_Time Information Display" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+		nest0_1 [label="Revenue Management" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+		nest0_2 [label="Automated Parking Garages" color="#E0E0E0" fillcolor="#EBEBEB" shape=octagon style=filled]
+		nest0_3 [label="Valet Parking Automation" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=designs color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=processes color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=complies color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=informs color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=validates color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_276.txt b/test/graphviz/graph_medium/graphviz_276.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93a9c49d47034727cdbd01096ae61c5e2afc0199
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_276.txt
@@ -0,0 +1,27 @@
+<Automated Parking Garages, connectedTo, Navigation to Open Space>
+<Automated Parking Garages, partOf, Automated Parking Garages>
+<Cloud_based Parking Platforms, connectedTo, Environmental Impact Monitoring>
+<Cloud_based Parking Platforms, connectedTo, On_Street Parking Management>
+<Emergency Vehicle Access Management, connectedTo, IoT Sensors for Parking>
+<Enforcement and Fines Management, allocates, Real_Time Information Display>
+<Environmental Impact Monitoring, connectedTo, Reservations System>
+<Event Parking Management, predicts, Violation Detection>
+<Integration with Navigation Apps, displays, Emergency Vehicle Access Management>
+<Intelligent Traffic Management Interaction, connectedTo, Violation Detection>
+<Intelligent Traffic Management Interaction, pays, Enforcement and Fines Management>
+<IoT Sensors for Parking, connectedTo, Revenue Management>
+<Navigation to Open Space, connectedTo, Cloud_based Parking Platforms>
+<On_Street Parking Management, connectedTo, Security Surveillance>
+<On_Street Parking Management, partOf, On_Street Parking Management>
+<Parking Guidance Systems, connectedTo, Navigation to Open Space>
+<Real_Time Information Display, connectedTo, Cloud_based Parking Platforms>
+<Real_Time Information Display, connectedTo, Navigation to Open Space>
+<Real_Time Information Display, connectedTo, Smart Parking Meters>
+<Real_Time Information Display, controls, Violation Detection>
+<Real_Time Information Display, sells, Event Parking Management>
+<Reservations System, maintains, Integration with Navigation Apps>
+<Security Surveillance, connectedTo, Automated Parking Garages>
+<Security Surveillance, partOf, Security Surveillance>
+<Smart Parking Meters, connectedTo, Event Parking Management>
+<Smart Parking Meters, licenses, Violation Detection>
+<Violation Detection, connectedTo, Parking Guidance Systems>
diff --git a/test/graphviz/graph_medium/graphviz_278.dot b/test/graphviz/graph_medium/graphviz_278.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b98181b72fdd74e94048abb32f9004df07da0b1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_278.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=RL
+	N0 [label="Fan Loyalty Programs" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N1 [label="Biometric Ticketing" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N2 [label="Airline Ticketing" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N3 [label="Mobile Ticketing" color="#FFE470" fillcolor="#FFFAE0" shape=plaintext style=filled]
+	N4 [label="Refund Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=octagon style=filled]
+	N5 [label="Agent Network Management" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N6 [label="Box Office Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N7 [label="Subscription or Season Pass Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=octagon style=filled]
+	N8 [label="Dynamic Pricing" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Seat Mapping" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Analytics on Sales Data" color="#FFE470" fillcolor="#FFFAE0" shape=Mdiamond style=filled]
+		nest0_1 [label="Theater Ticketing" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=sells color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=automates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=connects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=troubleshoots color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=secures color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=advertises color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_278.txt b/test/graphviz/graph_medium/graphviz_278.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dddfdddeea9d44612704f5469fb5b379974a5461
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_278.txt
@@ -0,0 +1,18 @@
+<Agent Network Management, secures, Box Office Management>
+<Airline Ticketing, connectedTo, Analytics on Sales Data>
+<Airline Ticketing, connectedTo, Mobile Ticketing>
+<Airline Ticketing, connectedTo, Refund Management>
+<Analytics on Sales Data, partOf, Analytics on Sales Data>
+<Analytics on Sales Data, sells, Theater Ticketing>
+<Biometric Ticketing, advertises, Refund Management>
+<Biometric Ticketing, automates, Airline Ticketing>
+<Box Office Management, connectedTo, Subscription or Season Pass Management>
+<Fan Loyalty Programs, connectedTo, Biometric Ticketing>
+<Mobile Ticketing, connects, Refund Management>
+<Refund Management, connectedTo, Box Office Management>
+<Refund Management, connectedTo, Dynamic Pricing>
+<Refund Management, connectedTo, Subscription or Season Pass Management>
+<Refund Management, troubleshoots, Agent Network Management>
+<Subscription or Season Pass Management, connectedTo, Dynamic Pricing>
+<Theater Ticketing, connectedTo, Box Office Management>
+<Theater Ticketing, partOf, Theater Ticketing>
diff --git a/test/graphviz/graph_medium/graphviz_279.dot b/test/graphviz/graph_medium/graphviz_279.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6283442f38ffa9fd98b90e6ba397a6c3d21b7117
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_279.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=TD
+	N0 [label="Public Transport Ticketing" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Audience Segmentation" color="#81C784" fillcolor="#F1F8E9" shape=folder style=filled]
+	N2 [label="Fraud Prevention" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N3 [label="Pricing Configuration" color="#9575CD" fillcolor="#EDE7F6" shape=folder style=filled]
+	N4 [label="Box Office Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=oval style=filled]
+	N5 [label="Museum Ticketing" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N6 [label="Event Promotion Tools" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N7 [label="Queue Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N8 [label="Festival Ticketing" color="#9575CD" fillcolor="#EDE7F6" shape=folder style=filled]
+	N9 [label="Airline Ticketing" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N10 [label="Ticket Sales" color="#81C784" fillcolor="#F1F8E9" shape=plaintext style=filled]
+	N11 [label="Venue Capacity Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N12 [label="Refund Management" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#9575CD" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Group Booking Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Fan Loyalty Programs" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+		nest0_1 [label="Theme Park Ticketing" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+		nest0_2 [label="Concert Ticketing" color="#9575CD" fillcolor="#EDE7F6" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=automates color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=supports color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=payments color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=discounts color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N10 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=issues color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N9 -> M0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M0 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label=upgrades color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_279.txt b/test/graphviz/graph_medium/graphviz_279.txt
new file mode 100644
index 0000000000000000000000000000000000000000..afa8ba2dded5c857c2d92ccc42a4ce57418d5360
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_279.txt
@@ -0,0 +1,27 @@
+<Airline Ticketing, connectedTo, Venue Capacity Management>
+<Airline Ticketing, discounts, Ticket Sales>
+<Audience Segmentation, automates, Fraud Prevention>
+<Box Office Management, connectedTo, Museum Ticketing>
+<Box Office Management, upgrades, Queue Management>
+<Concert Ticketing, connectedTo, Ticket Sales>
+<Concert Ticketing, partOf, Concert Ticketing>
+<Event Promotion Tools, connectedTo, Queue Management>
+<Fan Loyalty Programs, connectedTo, Theme Park Ticketing>
+<Fan Loyalty Programs, partOf, Fan Loyalty Programs>
+<Festival Ticketing, connectedTo, Airline Ticketing>
+<Festival Ticketing, connectedTo, Venue Capacity Management>
+<Fraud Prevention, connectedTo, Pricing Configuration>
+<Fraud Prevention, connectedTo, Queue Management>
+<Museum Ticketing, connectedTo, Airline Ticketing>
+<Museum Ticketing, connectedTo, Venue Capacity Management>
+<Museum Ticketing, issues, Festival Ticketing>
+<Museum Ticketing, payments, Event Promotion Tools>
+<Pricing Configuration, connectedTo, Fan Loyalty Programs>
+<Pricing Configuration, connectedTo, Queue Management>
+<Pricing Configuration, supports, Box Office Management>
+<Public Transport Ticketing, connectedTo, Audience Segmentation>
+<Queue Management, connectedTo, Festival Ticketing>
+<Theme Park Ticketing, connectedTo, Concert Ticketing>
+<Theme Park Ticketing, partOf, Theme Park Ticketing>
+<Ticket Sales, connectedTo, Venue Capacity Management>
+<Venue Capacity Management, connectedTo, Refund Management>
diff --git a/test/graphviz/graph_medium/graphviz_28.txt b/test/graphviz/graph_medium/graphviz_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5fdf0fe28a3061bd742c10f81fa7585d059f603
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_28.txt
@@ -0,0 +1,18 @@
+<Antenna Maintenance, blocks, Speed Throttling>
+<Antenna Maintenance, connectedTo, SMS Delivery>
+<Antenna Maintenance, connectedTo, Usage Monitoring>
+<Antenna Maintenance, filters, Plan Selection>
+<Bandwidth Allocation, connectedTo, Service Complaint>
+<Bandwidth Allocation, partOf, Bandwidth Allocation>
+<Device Setup, connectedTo, Antenna Maintenance>
+<Network Upgrade, connectedTo, Service Complaint>
+<Network Upgrade, partOf, Network Upgrade>
+<Network Upgrade, secures, Speed Throttling>
+<SMS Delivery, selects, Device Setup>
+<Service Complaint, audits, VoIP Service>
+<Service Complaint, partOf, Service Complaint>
+<Speed Throttling, connectedTo, Bandwidth Allocation>
+<Speed Throttling, connectedTo, Plan Selection>
+<Usage Monitoring, bills, Speed Throttling>
+<VoIP Service, connectedTo, Network Upgrade>
+<VoIP Service, partOf, VoIP Service>
diff --git a/test/graphviz/graph_medium/graphviz_280.dot b/test/graphviz/graph_medium/graphviz_280.dot
new file mode 100644
index 0000000000000000000000000000000000000000..20251cb3146502729eab12fef38bcbfbcded8e3c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_280.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=TD
+	N0 [label="Legal Framework Compliance" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Touchscreen Voting Machines" color="#B0C5CD" fillcolor="#DFE7EB" shape=octagon style=filled]
+	N2 [label="Public Trust Building" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N3 [label="Results Aggregation" color="#B0C5CD" fillcolor="#DFE7EB" shape=octagon style=filled]
+	N4 [label="Risk Management for Elections" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N5 [label="Voting Machine Design" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N6 [label="Zero_Knowledge Proofs for Privacy" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N7 [label="Threat Modeling" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N8 [label="Cryptographic Security" color="#B0C5CD" fillcolor="#DFE7EB" shape=plaintext style=filled]
+	N9 [label="Optical Scan Systems" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N10 [label="Undue Influence Prevention" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N11 [label="Anonymous Credential Systems" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N12 [label="System Certification" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N13 [label="Cybersecurity for Voting Systems" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	S0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#388E3C" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Remote Voting Solutions" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Security Protocols" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+		nest0_1 [label="Voter Registration" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [label=communicates color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=protects color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=authenticates color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=tests color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=verifies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=monitors color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N2 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [label=maintains color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [label=stores color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_281.dot b/test/graphviz/graph_medium/graphviz_281.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2d7cfac86e0ffcd4c01b8f07dfe71693137c1919
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_281.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=RL
+	N0 [label="Touchscreen Voting Machines" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Accessibility Features" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N2 [label="Biometric Voter ID" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N3 [label="System Certification" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N4 [label="Secure Data Transmission" color="#A188DB" fillcolor="#DED7F0" shape=oval style=filled]
+	N5 [label="Cryptographic Security" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N6 [label="Undue Influence Prevention" color="#FFE69C" fillcolor="#FFF9D4" shape=Mdiamond style=filled]
+	N7 [label="Voter Privacy Protection" color="#FFE69C" fillcolor="#FFF9D4" shape=folder style=filled]
+	N8 [label="Election Official Training" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N9 [label=Auditability color="#A188DB" fillcolor="#DED7F0" shape=oval style=filled]
+	N10 [label="Voter Education Programs" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+	N11 [label="Vote Counting" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N12 [label="Online Voting Systems" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N13 [label="Anonymous Credential Systems" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N14 [label="Penetration Testing" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Voter Authentication" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Security Protocols" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+		nest0_1 [label="Post_Election Audits" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=decrypts color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=reports color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N12 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
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+	N3 -> M0 [label=educates color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_282.txt b/test/graphviz/graph_medium/graphviz_282.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d57d335a68c6f0229a65209bf1786278b5aaddf
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_282.txt
@@ -0,0 +1,18 @@
+<Accessibility Features, detects, Undue Influence Prevention>
+<Cryptographic Security, connectedTo, Zero_Knowledge Proofs for Privacy>
+<Election Official Training, connectedTo, Cryptographic Security>
+<Secure Data Transmission, connectedTo, Security Protocols>
+<Secure Data Transmission, partOf, Secure Data Transmission>
+<Security Protocols, connectedTo, Transparency>
+<Transparency, alerts, Election Official Training>
+<Transparency, communicates, Zero_Knowledge Proofs for Privacy>
+<Transparency, connectedTo, Blockchain for Voting>
+<Transparency, connectedTo, Voter Education Programs>
+<Undue Influence Prevention, secures, Security Protocols>
+<Vote Counting, monitors, Secure Data Transmission>
+<Vote Counting, partOf, Vote Counting>
+<Voter Education Programs, connectedTo, Blockchain for Voting>
+<Voter Education Programs, connectedTo, Election Official Training>
+<Voter Education Programs, connectedTo, Zero_Knowledge Proofs for Privacy>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Blockchain for Voting>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Vote Counting>
diff --git a/test/graphviz/graph_medium/graphviz_283.txt b/test/graphviz/graph_medium/graphviz_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41bdd1e99d375b298a2b612254c9b9bd20718cf7
--- /dev/null
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@@ -0,0 +1,21 @@
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+<Behavioral Economics in Policy, researches, Option Generation>
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+<Budgetary Implications, simulates, Risk Assessment>
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+<Ethical Considerations, connectedTo, Local Government Policy>
+<Impact Assessment, ethics, Program Design>
+<Impact Assessment, partOf, Impact Assessment>
+<Implementation Plan Development, connectedTo, Monitoring and Evaluation Framework>
+<Local Government Policy, collaborates, Risk Assessment>
+<Local Government Policy, connectedTo, Monitoring and Evaluation Framework>
+<Option Generation, synthesizes, Qualitative Analysis>
+<Program Design, connectedTo, Public Opinion Research>
+<Program Design, partOf, Program Design>
+<Public Opinion Research, connectedTo, Ethical Considerations>
+<Public Opinion Research, connectedTo, Risk Assessment>
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diff --git a/test/graphviz/graph_medium/graphviz_284.dot b/test/graphviz/graph_medium/graphviz_284.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d87dfd320b98fbb96c71ce17ff539837d7f58e33
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_284.dot
@@ -0,0 +1,37 @@
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diff --git a/test/graphviz/graph_medium/graphviz_285.txt b/test/graphviz/graph_medium/graphviz_285.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f39f711a220c19076874e6ec1a0097ca4e8be4c8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_285.txt
@@ -0,0 +1,22 @@
+<Comparative Policy Analysis, connectedTo, Policy Evaluation>
+<Comparative Policy Analysis, connectedTo, Political Feasibility Assessment>
+<Criteria Establishment, connectedTo, National Policy Development>
+<Criteria Establishment, connectedTo, Problem Identification>
+<Criteria Establishment, connectedTo, Recommendation Formulation>
+<Criteria Establishment, solutions, Data Visualization for Policy>
+<Data Visualization for Policy, researches, Option Generation>
+<International Policy Analysis, connectedTo, Public Opinion Research>
+<National Policy Development, connectedTo, Communication Strategy>
+<Non_profit Policy Influence, connectedTo, Policy Evaluation>
+<Option Generation, connectedTo, Recommendation Formulation>
+<Policy Advocacy and Lobbying, recommends, National Policy Development>
+<Policy Brief Writing, connectedTo, Non_profit Policy Influence>
+<Policy Evaluation, negotiates, International Policy Analysis>
+<Political Feasibility Assessment, connectedTo, Policy Brief Writing>
+<Political Feasibility Assessment, connectedTo, Policy Evaluation>
+<Problem Identification, connectedTo, Quantitative Analysis>
+<Problem Identification, partOf, Problem Identification>
+<Public Opinion Research, connectedTo, Criteria Establishment>
+<Quantitative Analysis, impacts, Policy Evaluation>
+<Quantitative Analysis, partOf, Quantitative Analysis>
+<Recommendation Formulation, connectedTo, Policy Advocacy and Lobbying>
diff --git a/test/graphviz/graph_medium/graphviz_287.dot b/test/graphviz/graph_medium/graphviz_287.dot
new file mode 100644
index 0000000000000000000000000000000000000000..095826be7dae3ea756ad53cab3136c0195384f5a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_287.dot
@@ -0,0 +1,46 @@
+digraph {
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diff --git a/test/graphviz/graph_medium/graphviz_288.txt b/test/graphviz/graph_medium/graphviz_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..abbc7643814339b4598011ffd6155ccc9768fb58
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_288.txt
@@ -0,0 +1,22 @@
+<Academic Mentorship, partOf, Academic Mentorship>
+<Academic Mentorship, patents, Journal Publication>
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+<Journal Publication, partOf, Journal Publication>
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+<Power Analysis, connectedTo, Research Design>
+<Public Engagement with Research, connectedTo, Sampling Techniques>
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+<Sampling Techniques, connectedTo, Intellectual Property in Research>
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+<Statistical Analysis, connectedTo, Model Building>
+<Statistical Analysis, develops, Power Analysis>
+<Survey Design, connectedTo, Public Engagement with Research>
+<Survey Design, grants, Sampling Techniques>
+<Variable Identification, connectedTo, Research Question Refinement>
+<Variable Identification, connectedTo, Sampling Techniques>
+<Variable Identification, publishes, Survey Design>
diff --git a/test/graphviz/graph_medium/graphviz_289.dot b/test/graphviz/graph_medium/graphviz_289.dot
new file mode 100644
index 0000000000000000000000000000000000000000..27b98c9f641d560e98861badb333afc0e1718a1c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_289.dot
@@ -0,0 +1,45 @@
+digraph {
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diff --git a/test/graphviz/graph_medium/graphviz_29.dot b/test/graphviz/graph_medium/graphviz_29.dot
new file mode 100644
index 0000000000000000000000000000000000000000..edf964a1118ca92bedfcb5f40f263be82addf652
--- /dev/null
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@@ -0,0 +1,51 @@
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+	N7 -> N8 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=routes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=pays color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [label=regulates color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N0 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [label=suspends color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [label=connects color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_29.txt b/test/graphviz/graph_medium/graphviz_29.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca7587a2bb49296249b50288180d40b72518efad
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_29.txt
@@ -0,0 +1,25 @@
+<Bandwidth Allocation, connectedTo, Customer Support>
+<Bandwidth Allocation, connectedTo, Technical Support Escalation>
+<Base Station Installation, connectedTo, Payment Received>
+<Customer Support, connectedTo, Data Usage Logging>
+<Data Usage Logging, connectedTo, IoT Device Connection>
+<Device Setup, routes, Customer Support>
+<Fraudulent Call Blocking, connectedTo, Spectrum Management>
+<Fraudulent Call Blocking, connects, Payment Received>
+<Fraudulent Call Blocking, suspends, Network Activation>
+<IoT Device Connection, pays, Outage Detection>
+<MMS Transmission, connectedTo, Device Setup>
+<MMS Transmission, partOf, MMS Transmission>
+<Network Activation, connectedTo, Technical Support Escalation>
+<Network Activation, connectedTo, Video Conferencing>
+<Network Activation, regulates, IoT Device Connection>
+<Network Upgrade, connectedTo, MMS Transmission>
+<Network Upgrade, partOf, Network Upgrade>
+<Payment Received, connectedTo, Network Activation>
+<Spectrum Management, activates, Base Station Installation>
+<Spectrum Management, connectedTo, Speed Throttling>
+<Speed Throttling, connectedTo, Network Upgrade>
+<Speed Throttling, partOf, Speed Throttling>
+<Technical Support Escalation, connectedTo, Customer Support>
+<Technical Support Escalation, connectedTo, Device Setup>
+<Video Conferencing, complains, Bandwidth Allocation>
diff --git a/test/graphviz/graph_medium/graphviz_290.dot b/test/graphviz/graph_medium/graphviz_290.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c449f93239cfdd2d7399c05ee2884b9953bcb2b1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_290.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Integrated Library Systems" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Patron Services" color="#B8C0F5" fillcolor="#ECF0FD" shape=plaintext style=filled]
+	N2 [label="Reporting and Analytics" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N3 [label="Electronic Resource Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N4 [label="Reference Desk Support" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N5 [label="Archival Integration" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N6 [label="Subject Indexing" color="#94C0C0" fillcolor="#CADEDE" shape=octagon style=filled]
+	N7 [label="User Training on Systems" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N8 [label="Mobile App for Library" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N9 [label="AI in Library Services" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N10 [label="Federated Search" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="User Account Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Technical Support for Systems" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+		nest0_1 [label="Preservation of Materials" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest0_2 [label="Authority Control" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=maintains color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=audits color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=guides color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=migrates color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_290.txt b/test/graphviz/graph_medium/graphviz_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e550b9b1a468787d26baa1e8ec044139283b755f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_290.txt
@@ -0,0 +1,21 @@
+<AI in Library Services, connectedTo, Technical Support for Systems>
+<AI in Library Services, migrates, Federated Search>
+<Archival Integration, guides, Subject Indexing>
+<Authority Control, connectedTo, Mobile App for Library>
+<Authority Control, partOf, Authority Control>
+<Electronic Resource Management, connectedTo, Reference Desk Support>
+<Integrated Library Systems, connectedTo, Electronic Resource Management>
+<Integrated Library Systems, connectedTo, Patron Services>
+<Mobile App for Library, connectedTo, AI in Library Services>
+<Patron Services, connectedTo, Electronic Resource Management>
+<Patron Services, connectedTo, Reporting and Analytics>
+<Preservation of Materials, connectedTo, Authority Control>
+<Preservation of Materials, partOf, Preservation of Materials>
+<Reference Desk Support, audits, Archival Integration>
+<Reporting and Analytics, maintains, Electronic Resource Management>
+<Subject Indexing, connectedTo, Federated Search>
+<Subject Indexing, connectedTo, Mobile App for Library>
+<Subject Indexing, connectedTo, User Training on Systems>
+<Technical Support for Systems, connectedTo, Preservation of Materials>
+<Technical Support for Systems, partOf, Technical Support for Systems>
+<User Training on Systems, connectedTo, Mobile App for Library>
diff --git a/test/graphviz/graph_medium/graphviz_291.dot b/test/graphviz/graph_medium/graphviz_291.dot
new file mode 100644
index 0000000000000000000000000000000000000000..563c1b7142042a6b9fe89ef472dbb0f2a0e82915
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_291.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=BT
+	N0 [label="Reporting and Analytics" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N1 [label="Electronic Resource Management" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N2 [label="Preservation of Materials" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N3 [label="Circulation Management" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N4 [label="Mobile App for Library" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N5 [label="Integrated Library Systems" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N6 [label="User Training on Systems" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N7 [label="Open Access Repository Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N8 [label="Resource Sharing Networks" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N9 [label="Database Management" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Library Management Systems" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Discovery Layers" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+		nest0_1 [label="Personalized Recommendations" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=digitizes color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=lends color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=integrates color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N2 [label=supports color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label=guides color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_291.txt b/test/graphviz/graph_medium/graphviz_291.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c5196fae1c4b26f09b760a6a8839f2162651fd59
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_291.txt
@@ -0,0 +1,19 @@
+<Circulation Management, connectedTo, Mobile App for Library>
+<Discovery Layers, connectedTo, Personalized Recommendations>
+<Discovery Layers, partOf, Discovery Layers>
+<Electronic Resource Management, connectedTo, Circulation Management>
+<Electronic Resource Management, connectedTo, Preservation of Materials>
+<Integrated Library Systems, connectedTo, User Training on Systems>
+<Mobile App for Library, connectedTo, Database Management>
+<Mobile App for Library, connectedTo, Resource Sharing Networks>
+<Mobile App for Library, digitizes, Integrated Library Systems>
+<Mobile App for Library, guides, User Training on Systems>
+<Open Access Repository Management, lends, Resource Sharing Networks>
+<Personalized Recommendations, partOf, Personalized Recommendations>
+<Personalized Recommendations, supports, Preservation of Materials>
+<Preservation of Materials, connectedTo, Circulation Management>
+<Reporting and Analytics, connectedTo, Circulation Management>
+<Reporting and Analytics, connectedTo, Electronic Resource Management>
+<Resource Sharing Networks, connectedTo, Discovery Layers>
+<Resource Sharing Networks, integrates, Database Management>
+<User Training on Systems, connectedTo, Open Access Repository Management>
diff --git a/test/graphviz/graph_medium/graphviz_292.txt b/test/graphviz/graph_medium/graphviz_292.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ae03d2440ab1d4ee15388b5913a833a267d1b3a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_292.txt
@@ -0,0 +1,24 @@
+<Access and Reference Services, connectedTo, Public Access Systems>
+<Arrangement and Description, connectedTo, Long_Term Digital Preservation>
+<Arrangement and Description, connectedTo, Public Access Systems>
+<Arrangement and Description, connectedTo, Security of Holdings>
+<Arrangement and Description, preserves, Digital Asset Management>
+<Arrangement and Description, secures, Collection Management Policy>
+<Collection Management Policy, connectedTo, Access and Reference Services>
+<Collection Management Policy, connectedTo, Exhibition Curation>
+<Collection Management Policy, connectedTo, Finding Aid Creation>
+<Database Management, connectedTo, Finding Aid Creation>
+<Database Management, partOf, Database Management>
+<Digital Asset Management, connectedTo, Security of Holdings>
+<Digitization of Records, connectedTo, Database Management>
+<Digitization of Records, partOf, Digitization of Records>
+<Emulation for Obsolete Formats, authenticates, Collection Management Policy>
+<Emulation for Obsolete Formats, connectedTo, Security of Holdings>
+<Environmental Control, connectedTo, Digital Asset Management>
+<Exhibition Curation, researches, Digitization of Records>
+<Exhibition Curation, restores, Environmental Control>
+<Finding Aid Creation, connectedTo, Access and Reference Services>
+<Long_Term Digital Preservation, connectedTo, Digital Asset Management>
+<Long_Term Digital Preservation, connectedTo, Emulation for Obsolete Formats>
+<Long_Term Digital Preservation, connectedTo, Security of Holdings>
+<Security of Holdings, connectedTo, Finding Aid Creation>
diff --git a/test/graphviz/graph_medium/graphviz_293.dot b/test/graphviz/graph_medium/graphviz_293.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8bb47fcc1046a4381c8126094dec7fb79a182a57
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_293.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=LR
+	N0 [label="Provenance Tracking" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Collection Management Policy" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N2 [label="Preservation Planning" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N3 [label="Data Migration for Digital Archives" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N4 [label="Environmental Control" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+	N5 [label="Records Transfer Processes" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N6 [label="Database Management" color="#A188DB" fillcolor="#DED7F0" shape=folder style=filled]
+	N7 [label="Digital Forensics for Archives" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	S0 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#61CAC3" fillcolor="#C2E8E6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A188DB" fillcolor="#DED7F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Acquisition and Accessioning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Ethical Use of Archival Materials" color="#9C27B0" fillcolor="#E1BEE7" shape=plaintext style=filled]
+		nest0_1 [label="Legal and Ethical Compliance" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+		nest0_2 [label="Public Access Systems" color="#A188DB" fillcolor="#DED7F0" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=describes color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=publishes color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=educates color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=references color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_294.dot b/test/graphviz/graph_medium/graphviz_294.dot
new file mode 100644
index 0000000000000000000000000000000000000000..daf749866a9d551dfc6bae33339e5d52618a5947
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_294.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=TD
+	N0 [label="Records Transfer Processes" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Oral History Collection" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N2 [label="Community Archiving Projects" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N3 [label="Metadata Creation" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N4 [label="Database Management" color="#7986CB" fillcolor="#E8EAF6" shape=folder style=filled]
+	N5 [label="Grant Writing for Archives" color="#81C784" fillcolor="#F1F8E9" shape=octagon style=filled]
+	N6 [label="Researchers Support" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N7 [label="Arrangement and Description" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N8 [label="Disaster Preparedness for Archives" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	S0 [label="" color="#7986CB" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Serialization and Item Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Web Archiving" color="#7986CB" fillcolor="#E8EAF6" shape=oval style=filled]
+		nest0_1 [label="Archival Advocacy" color="#7986CB" fillcolor="#E8EAF6" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=locates color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=trains color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=complies color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_294.txt b/test/graphviz/graph_medium/graphviz_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c99446672336b7d1f496b93114c465920f6f470c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_294.txt
@@ -0,0 +1,16 @@
+<Archival Advocacy, connectedTo, Oral History Collection>
+<Archival Advocacy, partOf, Archival Advocacy>
+<Arrangement and Description, connectedTo, Disaster Preparedness for Archives>
+<Community Archiving Projects, connectedTo, Metadata Creation>
+<Database Management, connectedTo, Grant Writing for Archives>
+<Grant Writing for Archives, audits, Arrangement and Description>
+<Grant Writing for Archives, complies, Disaster Preparedness for Archives>
+<Grant Writing for Archives, connectedTo, Researchers Support>
+<Metadata Creation, connectedTo, Database Management>
+<Metadata Creation, connectedTo, Web Archiving>
+<Oral History Collection, connectedTo, Community Archiving Projects>
+<Records Transfer Processes, connectedTo, Oral History Collection>
+<Records Transfer Processes, connectedTo, Researchers Support>
+<Researchers Support, trains, Arrangement and Description>
+<Web Archiving, locates, Archival Advocacy>
+<Web Archiving, partOf, Web Archiving>
diff --git a/test/graphviz/graph_medium/graphviz_295.dot b/test/graphviz/graph_medium/graphviz_295.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5ef055410426264c26c5054432aeeee53d251747
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_295.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=LR
+	N0 [label="Accessibility Technology for Visitors" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Visitor Flow Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=Mdiamond style=filled]
+	N2 [label="Predictive Maintenance for Tech" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N3 [label="Mobile App Development" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N4 [label="Online Shop Integration" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N5 [label="Wayfinding Systems" color="#B0C5CD" fillcolor="#DFE7EB" shape=folder style=filled]
+	N6 [label="Digital Signage" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N7 [label="Cybersecurity for Museum Data" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N8 [label="Digital Preservation Strategies" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	S0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Educational Technology Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="3D Scanning of Artifacts" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+		nest0_1 [label="Community Engagement Platforms" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest0_2 [label="Multisensory Exhibits" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=curates color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=tracks color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=manages color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=digitizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [label=restores color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N3 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=visualizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_295.txt b/test/graphviz/graph_medium/graphviz_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5761255ee2780c0f98ee59823d73c637013acc71
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_295.txt
@@ -0,0 +1,20 @@
+<3D Scanning of Artifacts, curates, Community Engagement Platforms>
+<3D Scanning of Artifacts, partOf, 3D Scanning of Artifacts>
+<Accessibility Technology for Visitors, connectedTo, Digital Signage>
+<Accessibility Technology for Visitors, connectedTo, Online Shop Integration>
+<Accessibility Technology for Visitors, tracks, Visitor Flow Analysis>
+<Accessibility Technology for Visitors, visualizes, Digital Preservation Strategies>
+<Community Engagement Platforms, connectedTo, Multisensory Exhibits>
+<Community Engagement Platforms, partOf, Community Engagement Platforms>
+<Cybersecurity for Museum Data, connectedTo, Digital Preservation Strategies>
+<Digital Signage, digitizes, Cybersecurity for Museum Data>
+<Mobile App Development, connectedTo, Online Shop Integration>
+<Mobile App Development, restores, 3D Scanning of Artifacts>
+<Multisensory Exhibits, connectedTo, Mobile App Development>
+<Multisensory Exhibits, partOf, Multisensory Exhibits>
+<Online Shop Integration, manages, Wayfinding Systems>
+<Predictive Maintenance for Tech, connectedTo, Mobile App Development>
+<Predictive Maintenance for Tech, connectedTo, Online Shop Integration>
+<Visitor Flow Analysis, connectedTo, Online Shop Integration>
+<Visitor Flow Analysis, connectedTo, Predictive Maintenance for Tech>
+<Wayfinding Systems, connectedTo, Digital Signage>
diff --git a/test/graphviz/graph_medium/graphviz_296.dot b/test/graphviz/graph_medium/graphviz_296.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cfc06467b5e79c4c2716840ca406acf8fc29cc8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_296.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=RL
+	N0 [label="Digital Signage" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Exhibition Design" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N2 [label="Soundscape Design" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N3 [label="Digital Archiving" color="#66BB6A" fillcolor="#E8F5E9" shape=Mdiamond style=filled]
+	N4 [label="Cybersecurity for Museum Data" color="#FFF9AE" fillcolor="#FFFCE6" shape=folder style=filled]
+	N5 [label="Visitor Flow Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N6 [label="Mobile App Development" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Crowdsourcing for Collections" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Research Databases Access" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_1 [label="Online Shop Integration" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+		nest0_2 [label="3D Printing for Replicas" color="#4CAF50" fillcolor="#C8E6C9" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=projects color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=personalizes color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=renders color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [label=analyzes color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [label=documents color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [label=develops color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_296.txt b/test/graphviz/graph_medium/graphviz_296.txt
new file mode 100644
index 0000000000000000000000000000000000000000..242bc66bcc2561e8dcb36d979fecceca6fe7e9f3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_296.txt
@@ -0,0 +1,19 @@
+<3D Printing for Replicas, connectedTo, Visitor Flow Analysis>
+<3D Printing for Replicas, partOf, 3D Printing for Replicas>
+<Cybersecurity for Museum Data, connectedTo, Research Databases Access>
+<Cybersecurity for Museum Data, connectedTo, Visitor Flow Analysis>
+<Digital Archiving, connectedTo, Cybersecurity for Museum Data>
+<Digital Signage, personalizes, Exhibition Design>
+<Exhibition Design, renders, Soundscape Design>
+<Online Shop Integration, connectedTo, 3D Printing for Replicas>
+<Online Shop Integration, partOf, Online Shop Integration>
+<Research Databases Access, partOf, Research Databases Access>
+<Research Databases Access, projects, Online Shop Integration>
+<Soundscape Design, analyzes, Cybersecurity for Museum Data>
+<Soundscape Design, audits, Digital Archiving>
+<Soundscape Design, connectedTo, Cybersecurity for Museum Data>
+<Soundscape Design, connectedTo, Mobile App Development>
+<Soundscape Design, connectedTo, Visitor Flow Analysis>
+<Soundscape Design, develops, Mobile App Development>
+<Soundscape Design, documents, Visitor Flow Analysis>
+<Visitor Flow Analysis, connectedTo, Mobile App Development>
diff --git a/test/graphviz/graph_medium/graphviz_297.dot b/test/graphviz/graph_medium/graphviz_297.dot
new file mode 100644
index 0000000000000000000000000000000000000000..73961a4e69539f8923ee50b4cfc57ef02f57feb1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_297.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=LR
+	N0 [label="Environmental Control Systems" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Digital Archiving" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N2 [label="Digital Signage" color="#80DDEA" fillcolor="#D3F7F9" shape=oval style=filled]
+	N3 [label="Community Engagement Platforms" color="#388E3C" fillcolor="#F1F8E9" shape=octagon style=filled]
+	N4 [label="Member Management Systems" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N5 [label="Interactive Kiosks" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N6 [label="Exhibition Lighting Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N7 [label="Ticketing and Visitor Systems" color="#80DDEA" fillcolor="#D3F7F9" shape=octagon style=filled]
+	N8 [label="User Experience Design" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N9 [label="Accessibility Technology for Visitors" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N10 [label="Soundscape Design" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N11 [label="Mobile App Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N12 [label="Cybersecurity for Museum Data" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N13 [label="Digital Storytelling" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="3D Scanning of Artifacts" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="3D Printing for Replicas" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_1 [label="Virtual Reality Experiences" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=complies color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=guides color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=projects color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=integrates color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label="AR or VR" color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=interacts color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [label=educates color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=entertains color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=installs color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_297.txt b/test/graphviz/graph_medium/graphviz_297.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93550d31b02c45d7f8e8e2f3f62a1be112d991d4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_297.txt
@@ -0,0 +1,27 @@
+<3D Printing for Replicas, connectedTo, Virtual Reality Experiences>
+<3D Printing for Replicas, partOf, 3D Printing for Replicas>
+<Accessibility Technology for Visitors, integrates, Soundscape Design>
+<Community Engagement Platforms, complies, Member Management Systems>
+<Cybersecurity for Museum Data, audits, Digital Storytelling>
+<Digital Archiving, connectedTo, Accessibility Technology for Visitors>
+<Digital Archiving, connectedTo, Digital Signage>
+<Digital Archiving, connectedTo, Member Management Systems>
+<Digital Archiving, connectedTo, Soundscape Design>
+<Digital Archiving, entertains, Interactive Kiosks>
+<Digital Signage, connectedTo, Community Engagement Platforms>
+<Digital Signage, installs, Interactive Kiosks>
+<Environmental Control Systems, connectedTo, Digital Archiving>
+<Environmental Control Systems, connectedTo, Interactive Kiosks>
+<Exhibition Lighting Design, connectedTo, Ticketing and Visitor Systems>
+<Interactive Kiosks, connectedTo, Exhibition Lighting Design>
+<Member Management Systems, connectedTo, 3D Printing for Replicas>
+<Member Management Systems, guides, Interactive Kiosks>
+<Mobile App Development, interacts, Cybersecurity for Museum Data>
+<Soundscape Design, AR or VR, Mobile App Development>
+<Ticketing and Visitor Systems, projects, User Experience Design>
+<User Experience Design, connectedTo, Accessibility Technology for Visitors>
+<User Experience Design, connectedTo, Mobile App Development>
+<User Experience Design, connectedTo, Soundscape Design>
+<User Experience Design, educates, Digital Storytelling>
+<Virtual Reality Experiences, connectedTo, Accessibility Technology for Visitors>
+<Virtual Reality Experiences, partOf, Virtual Reality Experiences>
diff --git a/test/graphviz/graph_medium/graphviz_298.txt b/test/graphviz/graph_medium/graphviz_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c62a1c184168fa94cb85ee87fc24791a9228a91
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_298.txt
@@ -0,0 +1,19 @@
+<Compliance Training, connectedTo, Regulatory Interpretation>
+<ESG Integration, reports, Ethical Decision_Making Frameworks>
+<Ethical Decision_Making Frameworks, regulations, Monitoring and Enforcement>
+<Fair Competition Compliance, connectedTo, Policy Development>
+<Fair Competition Compliance, partOf, Fair Competition Compliance>
+<Financial Regulations Compliance, connectedTo, Labor Law Compliance>
+<Labor Law Compliance, connectedTo, Third_Party Due Diligence>
+<Policy Development, connectedTo, Product Safety Compliance>
+<Policy Development, partOf, Policy Development>
+<Product Safety Compliance, connectedTo, Sanctions Compliance>
+<Product Safety Compliance, partOf, Product Safety Compliance>
+<Regulatory Interpretation, connectedTo, Ethical Decision_Making Frameworks>
+<Regulatory Interpretation, connectedTo, Monitoring and Enforcement>
+<Regulatory Interpretation, connectedTo, Sanctions Compliance>
+<Sanctions Compliance, connectedTo, ESG Integration>
+<Sanctions Compliance, connectedTo, Ethical Decision_Making Frameworks>
+<Sanctions Compliance, connectedTo, Fair Competition Compliance>
+<Sanctions Compliance, connectedTo, Monitoring and Enforcement>
+<Third_Party Due Diligence, integrity, Compliance Training>
diff --git a/test/graphviz/graph_medium/graphviz_299.txt b/test/graphviz/graph_medium/graphviz_299.txt
new file mode 100644
index 0000000000000000000000000000000000000000..278a486f19ac1be4f6baabaf333e4a4a0e77a2fd
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_299.txt
@@ -0,0 +1,23 @@
+<Anti_Money Laundering Compliance, connectedTo, Sanctions Compliance>
+<Audit Planning, connectedTo, Anti_Money Laundering Compliance>
+<Audit Planning, connectedTo, Sanctions Compliance>
+<Audit Planning, connectedTo, Transparent Communication>
+<Compliance Training, connectedTo, Risk Assessment>
+<Compliance Training, partOf, Compliance Training>
+<Consumer Protection Compliance, connectedTo, Internal Investigations>
+<Consumer Protection Compliance, connectedTo, Risk Assessment>
+<Corporate Governance Standards, connectedTo, Audit Planning>
+<Incident Response Planning, connectedTo, Supplier Code of Conduct>
+<Information Security Compliance, fairness, Monitoring and Enforcement>
+<Internal Investigations, responds, Information Security Compliance>
+<Legal Advisory, partOf, Legal Advisory>
+<Legal Advisory, prevents, Audit Planning>
+<Monitoring and Enforcement, assesses, Corporate Governance Standards>
+<Product Safety Compliance, establishes, Consumer Protection Compliance>
+<Regulatory Interpretation, connectedTo, Product Safety Compliance>
+<Risk Assessment, partOf, Risk Assessment>
+<Risk Assessment, standards, Legal Advisory>
+<Supplier Code of Conduct, connectedTo, Regulatory Interpretation>
+<Transparent Communication, advises, Anti_Money Laundering Compliance>
+<Transparent Communication, connectedTo, Compliance Training>
+<Transparent Communication, connectedTo, Product Safety Compliance>
diff --git a/test/graphviz/graph_medium/graphviz_3.dot b/test/graphviz/graph_medium/graphviz_3.dot
new file mode 100644
index 0000000000000000000000000000000000000000..81f7734212f37458ee7ec7b521ba4ae41b7c8f0c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_3.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="Blockchain Verification" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N1 [label="Portfolio Management" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N2 [label="Financial Reporting" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N3 [label="Tax Preparation" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N4 [label="Risk Assessment" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N5 [label="Asset Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N6 [label="Customer Onboarding" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N7 [label="Credit Scoring" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N8 [label="KYC Validation" color="#F7BEE0" fillcolor="#FAEBF3" shape=oval style=filled]
+	N9 [label="Fraud Check" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="IPO Launch" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Transaction Audit" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+		nest0_1 [label="Securities Trading" color="#FFE69C" fillcolor="#FFF9D4" shape=diamond style=filled]
+		nest0_2 [label="Cryptocurrency Exchange" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=recommends color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=checks color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=allocates color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N2 [label=restructures color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [label=complies color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_3.txt b/test/graphviz/graph_medium/graphviz_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c6039507fd5fa665e6b5e4b586488cefb490c62
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_3.txt
@@ -0,0 +1,20 @@
+<Asset Management, checks, Customer Onboarding>
+<Asset Management, connectedTo, Credit Scoring>
+<Asset Management, connectedTo, Fraud Check>
+<Asset Management, connectedTo, KYC Validation>
+<Blockchain Verification, recommends, Portfolio Management>
+<Credit Scoring, allocates, KYC Validation>
+<Cryptocurrency Exchange, partOf, Cryptocurrency Exchange>
+<Cryptocurrency Exchange, restructures, Financial Reporting>
+<Customer Onboarding, complies, KYC Validation>
+<Customer Onboarding, connectedTo, Credit Scoring>
+<Financial Reporting, connectedTo, Tax Preparation>
+<KYC Validation, connectedTo, Fraud Check>
+<Portfolio Management, connectedTo, Financial Reporting>
+<Risk Assessment, connectedTo, Asset Management>
+<Securities Trading, connectedTo, Cryptocurrency Exchange>
+<Securities Trading, partOf, Securities Trading>
+<Tax Preparation, connectedTo, Risk Assessment>
+<Tax Preparation, connectedTo, Transaction Audit>
+<Transaction Audit, connectedTo, Securities Trading>
+<Transaction Audit, partOf, Transaction Audit>
diff --git a/test/graphviz/graph_medium/graphviz_30.txt b/test/graphviz/graph_medium/graphviz_30.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ef0ca85249feb4605dc2305c24cc5d64aacd93df
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_30.txt
@@ -0,0 +1,24 @@
+<Antenna Maintenance, authorizes, Speed Throttling>
+<Base Station Installation, disconnects, Network Activation>
+<Base Station Installation, upgrades, Video Conferencing>
+<Bill Generation, connectedTo, Fiber Optic Deployment>
+<Call Recording, connectedTo, Base Station Installation>
+<Customer Support, generates, Network Security Monitoring>
+<Device Setup, connectedTo, Troubleshooting Guide>
+<Device Setup, partOf, Device Setup>
+<Fiber Optic Deployment, connectedTo, Antenna Maintenance>
+<Fraudulent Call Blocking, connectedTo, Bill Generation>
+<Network Security Monitoring, connectedTo, Call Recording>
+<SIM Registration, complains, Customer Support>
+<SIM Registration, connectedTo, Network Security Monitoring>
+<Speed Throttling, connectedTo, Call Recording>
+<Speed Throttling, connectedTo, Customer Support>
+<Speed Throttling, connectedTo, Network Security Monitoring>
+<Speed Throttling, regulates, Base Station Installation>
+<Speed Throttling, tops up, SIM Registration>
+<Technical Support Escalation, connectedTo, Device Setup>
+<Technical Support Escalation, partOf, Technical Support Escalation>
+<Troubleshooting Guide, connectedTo, SIM Registration>
+<Troubleshooting Guide, partOf, Troubleshooting Guide>
+<Video Conferencing, connectedTo, Technical Support Escalation>
+<Video Conferencing, partOf, Video Conferencing>
diff --git a/test/graphviz/graph_medium/graphviz_300.dot b/test/graphviz/graph_medium/graphviz_300.dot
new file mode 100644
index 0000000000000000000000000000000000000000..768b4cedebf3ac0fd780b6729866c5506fb2ee52
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_300.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=RL
+	N0 [label="Ethical Decision_Making Frameworks" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N1 [label="Compliance Software Implementation" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N2 [label="Risk Assessment" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N3 [label="Healthcare Compliance" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N4 [label="Corporate Governance Standards" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N5 [label="Transparent Communication" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N6 [label="Stakeholder Engagement on Ethics" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N7 [label="Compliance Hotlines" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N8 [label="Data Privacy Compliance" color="#4DD0E1" fillcolor="#C9F0F0" shape=folder style=filled]
+	N9 [label="Ethics Committee Formation" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A1887F" fillcolor="#EFEBE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Internal Investigations" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Supplier Code of Conduct" color="#FFEB3B" fillcolor="#FFF9C4" shape=octagon style=filled]
+		nest0_1 [label="Product Safety Compliance" color="#FFEB3B" fillcolor="#FFF9C4" shape=oval style=filled]
+		nest0_2 [label="CSR Reporting" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+		nest0_3 [label="Ethical AI Guidelines" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=secures color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=laws color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [label=licenses color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=enforces color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [label=detects color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_301.dot b/test/graphviz/graph_medium/graphviz_301.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2ac5a4ec34d73e3bacc5a47596ac27b9c8277795
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_301.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=TD
+	N0 [label="Data Recovery" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Forensic Psychology" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N2 [label="Legal Standards Compliance" color="#DCE775" fillcolor="#FCFCE7" shape=folder style=filled]
+	N3 [label="Forensic Interviewing" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N4 [label="Forensic Anthropology" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N5 [label="Trace Evidence Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=folder style=filled]
+	N6 [label="Fingerprint Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Toolmark Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Evidence Collection" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+		nest0_1 [label="Evidence Preservation" color="#DCE775" fillcolor="#FCFCE7" shape=octagon style=filled]
+		nest0_2 [label="Forensic Botany" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_3 [label="Forensic Photography" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=identifies color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=interprets color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=expert_testifies color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [label=audits color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N6 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=evaluates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_301.txt b/test/graphviz/graph_medium/graphviz_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d037fedcad27a6dbba4ad7afa884c112fad34770
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_301.txt
@@ -0,0 +1,19 @@
+<Data Recovery, identifies, Forensic Psychology>
+<Evidence Collection, connectedTo, Evidence Preservation>
+<Evidence Collection, partOf, Evidence Collection>
+<Evidence Preservation, connectedTo, Forensic Botany>
+<Evidence Preservation, partOf, Evidence Preservation>
+<Forensic Anthropology, audits, Evidence Collection>
+<Forensic Anthropology, expert_testifies, Trace Evidence Analysis>
+<Forensic Botany, connectedTo, Forensic Photography>
+<Forensic Botany, partOf, Forensic Botany>
+<Forensic Interviewing, connectedTo, Fingerprint Analysis>
+<Forensic Interviewing, connectedTo, Forensic Anthropology>
+<Forensic Interviewing, connectedTo, Trace Evidence Analysis>
+<Forensic Photography, connectedTo, Fingerprint Analysis>
+<Forensic Photography, partOf, Forensic Photography>
+<Forensic Psychology, connectedTo, Legal Standards Compliance>
+<Forensic Psychology, connectedTo, Trace Evidence Analysis>
+<Legal Standards Compliance, evaluates, Trace Evidence Analysis>
+<Legal Standards Compliance, interprets, Forensic Interviewing>
+<Trace Evidence Analysis, connectedTo, Fingerprint Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_302.txt b/test/graphviz/graph_medium/graphviz_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e3125874116c3fd056bb8ad9b2d2e3d16270e799
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_302.txt
@@ -0,0 +1,18 @@
+<Arson Investigation, connectedTo, Toolmark Analysis>
+<Arson Investigation, partOf, Arson Investigation>
+<Bloodstain Pattern Analysis, connectedTo, Cyber Crime Investigation>
+<Bloodstain Pattern Analysis, connectedTo, Digital Forensics>
+<Bloodstain Pattern Analysis, sketches, Mobile Device Forensics>
+<Bloodstain Pattern Analysis, toxicology, Forensic Pathology>
+<Cyber Crime Investigation, connectedTo, Digital Forensics>
+<Cyber Crime Investigation, connectedTo, Forensic Pathology>
+<Cyber Crime Investigation, reports, Courtroom Presentation>
+<Digital Forensics, connectedTo, Forensic Botany>
+<Expert Witness Testimony, connectedTo, Arson Investigation>
+<Expert Witness Testimony, partOf, Expert Witness Testimony>
+<Forensic Botany, trace_evidence, Forensic Pathology>
+<Forensic Pathology, connectedTo, Mobile Device Forensics>
+<Mobile Device Forensics, connectedTo, Courtroom Presentation>
+<Mobile Device Forensics, connectedTo, Expert Witness Testimony>
+<Toolmark Analysis, connectedTo, Cyber Crime Investigation>
+<Toolmark Analysis, partOf, Toolmark Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_303.dot b/test/graphviz/graph_medium/graphviz_303.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2af99290679f7f568397b34113f75cd510f6778c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_303.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Forensic Botany" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="Trace Evidence Analysis" color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N2 [label="Laboratory Analysis" color="#BCB88A" fillcolor="#F5F5DC" shape=octagon style=filled]
+	N3 [label="DNA Profiling" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N4 [label="Forensic Odontology" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N5 [label="Arson Investigation" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N6 [label="Chain of Custody Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N7 [label="Forensic Pathology" color="#BCB88A" fillcolor="#F5F5DC" shape=Mdiamond style=filled]
+	N8 [label="Cloud Forensics" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
+	N9 [label="Legal Standards Compliance" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	S1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Crime Scene Investigation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Forensic Photography" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+		nest0_1 [label="Voice Recognition" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+		nest0_2 [label="Malware Analysis" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
+		nest0_3 [label="Data Recovery" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=ballistics color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=consults color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=trains color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label=collects color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_303.txt b/test/graphviz/graph_medium/graphviz_303.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20ab2166922d83cddf82d4bce679cc7be89e0a06
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_303.txt
@@ -0,0 +1,22 @@
+<Arson Investigation, consults, Chain of Custody Management>
+<Chain of Custody Management, trains, Forensic Pathology>
+<Cloud Forensics, connectedTo, Legal Standards Compliance>
+<DNA Profiling, collects, Cloud Forensics>
+<DNA Profiling, connectedTo, Forensic Odontology>
+<DNA Profiling, connectedTo, Forensic Pathology>
+<Data Recovery, connectedTo, Forensic Pathology>
+<Data Recovery, partOf, Data Recovery>
+<Forensic Botany, connectedTo, Trace Evidence Analysis>
+<Forensic Odontology, connectedTo, Arson Investigation>
+<Forensic Odontology, connectedTo, Legal Standards Compliance>
+<Forensic Pathology, connectedTo, Cloud Forensics>
+<Forensic Pathology, connectedTo, Forensic Photography>
+<Forensic Photography, connectedTo, Voice Recognition>
+<Forensic Photography, partOf, Forensic Photography>
+<Laboratory Analysis, connectedTo, DNA Profiling>
+<Laboratory Analysis, connectedTo, Legal Standards Compliance>
+<Malware Analysis, connectedTo, Data Recovery>
+<Malware Analysis, partOf, Malware Analysis>
+<Trace Evidence Analysis, connectedTo, Laboratory Analysis>
+<Voice Recognition, ballistics, Malware Analysis>
+<Voice Recognition, partOf, Voice Recognition>
diff --git a/test/graphviz/graph_medium/graphviz_305.txt b/test/graphviz/graph_medium/graphviz_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca98cf2f5d28fb5893baa0bd46707324af202464
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_305.txt
@@ -0,0 +1,25 @@
+<Chemical Biological Radiological Nuclear Defense, connectedTo, Training Exercises>
+<Critical Infrastructure Protection, connectedTo, Chemical Biological Radiological Nuclear Defense>
+<Critical Infrastructure Protection, connectedTo, Cybersecurity Defense>
+<Critical Infrastructure Protection, connectedTo, Military Counterterrorism>
+<Critical Infrastructure Protection, connectedTo, Risk Analysis>
+<Critical Infrastructure Protection, connectedTo, Training Exercises>
+<Cybersecurity Defense, connectedTo, Chemical Biological Radiological Nuclear Defense>
+<Data Analytics for Terrorism, connectedTo, Fusion Center Operations>
+<Early Warning Systems, disrupts, Cybersecurity Defense>
+<Early Warning Systems, partOf, Early Warning Systems>
+<Emergency Preparedness, connectedTo, Cybersecurity Defense>
+<Hostage Negotiation, connectedTo, Critical Infrastructure Protection>
+<Hostage Negotiation, connectedTo, Training Exercises>
+<Information Sharing, connectedTo, Military Counterterrorism>
+<Intelligence Analysis, connectedTo, Public Awareness Campaigns>
+<Intelligence Analysis, partOf, Intelligence Analysis>
+<Intelligence Gathering, border_controls, Early Warning Systems>
+<Intelligence Gathering, partOf, Intelligence Gathering>
+<Military Counterterrorism, connectedTo, Data Analytics for Terrorism>
+<Public Awareness Campaigns, connectedTo, Intelligence Gathering>
+<Public Awareness Campaigns, partOf, Public Awareness Campaigns>
+<Risk Analysis, connectedTo, Military Counterterrorism>
+<Risk Analysis, funds_tracks, Intelligence Analysis>
+<Risk Analysis, protects_critical_infra, Emergency Preparedness>
+<Training Exercises, incidents_responds, Information Sharing>
diff --git a/test/graphviz/graph_medium/graphviz_306.dot b/test/graphviz/graph_medium/graphviz_306.dot
new file mode 100644
index 0000000000000000000000000000000000000000..66097c75ca03e7b3ebd133a98e88f7c0232be08d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_306.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=RL
+	N0 [label="Emergency Preparedness" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N1 [label="Public Awareness Campaigns" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N2 [label="Early Warning Systems" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N3 [label=Counter_Propaganda color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N4 [label="Military Counterterrorism" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N5 [label="Surveillance and Monitoring" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N6 [label="Target Hardening" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N7 [label="Chemical Biological Radiological Nuclear Defense" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N8 [label="Post_Incident Recovery" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N9 [label="Crisis Response Planning" color="#FFD54F" fillcolor="#FFF8E1" shape=plaintext style=filled]
+	N10 [label="Law Enforcement Operations" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N11 [label="Threat Assessment" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N12 [label="Intelligence Analysis" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	S0 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Fusion Center Operations" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Vulnerability Assessment" color="#FFD54F" fillcolor="#FFF8E1" shape=octagon style=filled]
+		nest0_1 [label="Information Sharing" color="#FFD54F" fillcolor="#FFF8E1" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=disrupts color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=responds color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=rescues_hostages color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=evidence_collects color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N6 [label=exercises_conducts color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [label=incidents_responds color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [label=resilience_builds color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_307.dot b/test/graphviz/graph_medium/graphviz_307.dot
new file mode 100644
index 0000000000000000000000000000000000000000..97790a8db1e202c034419fd82b0b78e7e3ddd1e8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_307.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=LR
+	N0 [label="Physical Security Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Legal Compliance" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N2 [label="Environmental Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N3 [label="Video Analytics" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N4 [label="Satellite Imaging" color="#9FA9E1" fillcolor="#D6D9F0" shape=plaintext style=filled]
+	N5 [label="Security Personnel Operations" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N6 [label="Cyber Surveillance" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N7 [label="Data Storage and Retention" color="#73C6BC" fillcolor="#D0EFEE" shape=oval style=filled]
+	N8 [label="Asset Tracking" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N9 [label="Ethical Guidelines" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	S0 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Industrial Surveillance" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Data Collection" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+		nest0_1 [label="Internet Traffic Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+		nest0_2 [label="Traffic Surveillance" color="#73C6BC" fillcolor="#D0EFEE" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [label=manages color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=tracks color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=monitors color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=privacy_protects color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=automates color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N0 [label=identifies color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_308.dot b/test/graphviz/graph_medium/graphviz_308.dot
new file mode 100644
index 0000000000000000000000000000000000000000..21ee409bd91ad831164de7b2583dca9fb4152580
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_308.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=LR
+	N0 [label="Border Surveillance" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Security Personnel Operations" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N2 [label="Pattern Recognition" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+	N3 [label="Ethical Guidelines" color="#00BCD4" fillcolor="#B2EBF2" shape=oval style=filled]
+	N4 [label="Thermal Imaging" color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N5 [label="Automated Threat Detection" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Night Vision Technology" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Intrusion Detection" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+		nest0_1 [label="Cyber Surveillance" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+		nest0_2 [label="Internet Traffic Monitoring" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_3 [label="Predictive Policing" color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [label=ethical_considers color="#E57373" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=complies color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [label=identifies color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=analyzes color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_308.txt b/test/graphviz/graph_medium/graphviz_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..730b7603f937273891467f67c857af91c9898304
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_308.txt
@@ -0,0 +1,19 @@
+<Border Surveillance, connectedTo, Security Personnel Operations>
+<Border Surveillance, connectedTo, Thermal Imaging>
+<Border Surveillance, identifies, Pattern Recognition>
+<Cyber Surveillance, connectedTo, Internet Traffic Monitoring>
+<Cyber Surveillance, partOf, Cyber Surveillance>
+<Ethical Guidelines, connectedTo, Intrusion Detection>
+<Ethical Guidelines, connectedTo, Thermal Imaging>
+<Internet Traffic Monitoring, connectedTo, Predictive Policing>
+<Internet Traffic Monitoring, partOf, Internet Traffic Monitoring>
+<Intrusion Detection, ethical_considers, Cyber Surveillance>
+<Intrusion Detection, partOf, Intrusion Detection>
+<Pattern Recognition, complies, Ethical Guidelines>
+<Predictive Policing, connectedTo, Automated Threat Detection>
+<Predictive Policing, partOf, Predictive Policing>
+<Security Personnel Operations, analyzes, Thermal Imaging>
+<Security Personnel Operations, connectedTo, Automated Threat Detection>
+<Security Personnel Operations, connectedTo, Pattern Recognition>
+<Security Personnel Operations, connectedTo, Thermal Imaging>
+<Thermal Imaging, connectedTo, Automated Threat Detection>
diff --git a/test/graphviz/graph_medium/graphviz_309.dot b/test/graphviz/graph_medium/graphviz_309.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8d21de55ea04fc75ebaf0cc04a7c8e156cc4b057
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_309.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=RL
+	N0 [label="Pattern Recognition" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Industrial Surveillance" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N2 [label="GPS Tracking" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N3 [label="Environmental Monitoring" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N4 [label="Behavioral Analytics" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N5 [label="Legal Compliance" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N6 [label="Security Personnel Operations" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N7 [label="Physical Security Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N8 [label="Thermal Imaging" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N9 [label="Wildlife Tracking" color="#8C9EFF" fillcolor="#D3D7EB" shape=parallelogram style=filled]
+	N10 [label="Night Vision Technology" color="#8C9EFF" fillcolor="#D3D7EB" shape=plaintext style=filled]
+	N11 [label="Traffic Surveillance" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	S0 [label="" color="#AABEC6" fillcolor="#E0E6E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Biometric Data Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Access Control Systems" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest0_1 [label="Perimeter Security" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest0_2 [label="Mobile Phone Interception" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=visualizes color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=monitors color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=verifies color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=shares color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [label=controls color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label=privacy_protects color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_309.txt b/test/graphviz/graph_medium/graphviz_309.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ddd7f58dff42b38ca90724ccd66939d3d621db8a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_309.txt
@@ -0,0 +1,22 @@
+<Access Control Systems, connectedTo, Perimeter Security>
+<Access Control Systems, partOf, Access Control Systems>
+<Behavioral Analytics, visualizes, Legal Compliance>
+<Environmental Monitoring, connectedTo, Behavioral Analytics>
+<GPS Tracking, connectedTo, Environmental Monitoring>
+<GPS Tracking, connectedTo, Security Personnel Operations>
+<GPS Tracking, privacy_protects, Wildlife Tracking>
+<Industrial Surveillance, connectedTo, GPS Tracking>
+<Legal Compliance, monitors, Security Personnel Operations>
+<Mobile Phone Interception, connectedTo, Legal Compliance>
+<Mobile Phone Interception, partOf, Mobile Phone Interception>
+<Night Vision Technology, shares, Traffic Surveillance>
+<Pattern Recognition, connectedTo, Industrial Surveillance>
+<Pattern Recognition, connectedTo, Thermal Imaging>
+<Perimeter Security, connectedTo, Mobile Phone Interception>
+<Perimeter Security, partOf, Perimeter Security>
+<Physical Security Integration, verifies, Thermal Imaging>
+<Security Personnel Operations, connectedTo, Physical Security Integration>
+<Security Personnel Operations, connectedTo, Thermal Imaging>
+<Thermal Imaging, connectedTo, Wildlife Tracking>
+<Wildlife Tracking, connectedTo, Night Vision Technology>
+<Wildlife Tracking, controls, Access Control Systems>
diff --git a/test/graphviz/graph_medium/graphviz_31.dot b/test/graphviz/graph_medium/graphviz_31.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c7eec9f7e62c253d10dcaf2eab9393a8917993e5
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_31.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=BT
+	N0 [label="Precision Farming" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N1 [label="Food Processing" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N2 [label="Weed Removal" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N3 [label="Packaging for Sale" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+	N4 [label="Grain Drying" color="#FFCC80" fillcolor="#FFF0CC" shape=folder style=filled]
+	N5 [label="Farm Machinery Operation" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N6 [label="Seedling Transplanting" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Fertilizer Application" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Pest Spraying" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+		nest0_1 [label="Traceability System" color="#4DD0E1" fillcolor="#C9F0F0" shape=oval style=filled]
+		nest0_2 [label="Drone Scouting" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=feeds color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=plants color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=conserves color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [label=propagates color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N2 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [label=sensors color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=prunes color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label=rotates color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_31.txt b/test/graphviz/graph_medium/graphviz_31.txt
new file mode 100644
index 0000000000000000000000000000000000000000..772904ca5d3e079d0a5d19c601acb6d3e5bdb2d7
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_31.txt
@@ -0,0 +1,21 @@
+<Drone Scouting, connectedTo, Food Processing>
+<Drone Scouting, partOf, Drone Scouting>
+<Farm Machinery Operation, conserves, Seedling Transplanting>
+<Food Processing, connectedTo, Weed Removal>
+<Food Processing, prunes, Grain Drying>
+<Food Processing, rotates, Packaging for Sale>
+<Grain Drying, connectedTo, Pest Spraying>
+<Grain Drying, plants, Farm Machinery Operation>
+<Packaging for Sale, connectedTo, Grain Drying>
+<Pest Spraying, connectedTo, Traceability System>
+<Pest Spraying, partOf, Pest Spraying>
+<Precision Farming, connectedTo, Food Processing>
+<Precision Farming, connectedTo, Grain Drying>
+<Precision Farming, connectedTo, Packaging for Sale>
+<Precision Farming, connectedTo, Weed Removal>
+<Precision Farming, propagates, Grain Drying>
+<Traceability System, connectedTo, Drone Scouting>
+<Traceability System, partOf, Traceability System>
+<Weed Removal, connectedTo, Seedling Transplanting>
+<Weed Removal, feeds, Packaging for Sale>
+<Weed Removal, sensors, Grain Drying>
diff --git a/test/graphviz/graph_medium/graphviz_310.dot b/test/graphviz/graph_medium/graphviz_310.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0d455aa6675f7ca0b80918d566c087ca08693b1d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_310.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=RL
+	N0 [label="Rehabilitation Programs" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N1 [label="Domestic Violence Prevention" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N2 [label="School Safety Programs" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N3 [label="Environmental Design" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N4 [label="Behavioral Science in Prevention" color="#BDBDBD" fillcolor="#F5F5F5" shape=folder style=filled]
+	N5 [label="Cybercrime Prevention" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N6 [label="Conflict Resolution Training" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N7 [label="Burglary Prevention" color="#64B5F6" fillcolor="#E3F2FD" shape=oval style=filled]
+	N8 [label="Robbery Prevention" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N9 [label="CCTV Installation" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N10 [label="Policy Development for Prevention" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+	N11 [label="Drug Prevention Initiatives" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N12 [label="Sexual Assault Prevention" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	S0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Target Hardening" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Restorative Justice" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+		nest0_1 [label="Gang Intervention" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest0_2 [label="Fraud Prevention" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=predicts color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=analyzes_data color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label=forecasts color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N2 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [label=advises color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [label=warns color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N8 -> M0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=licenses color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_311.dot b/test/graphviz/graph_medium/graphviz_311.dot
new file mode 100644
index 0000000000000000000000000000000000000000..99932ff3a9fab8c888509a649f9152ff3f0bdaf9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_311.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sexual Assault Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Policy Development for Prevention" color="#64B5F6" fillcolor="#E3F2FD" shape=octagon style=filled]
+	N2 [label="Robbery Prevention" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N3 [label="Youth Programs" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N4 [label="Conflict Resolution Training" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N5 [label="Reintegration Programs" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N6 [label="Public Awareness Campaigns" color="#AED581" fillcolor="#F0F4C3" shape=folder style=filled]
+	N7 [label="Target Hardening" color="#DCE775" fillcolor="#FCFCE7" shape=folder style=filled]
+	N8 [label="Early Intervention Programs" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N9 [label="Environmental Design" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N10 [label="Crime Prevention Through Education" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N11 [label="CCTV Installation" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	S0 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Rehabilitation Programs" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Domestic Violence Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+		nest0_1 [label="Technology for Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=identifies_risks color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=collaborates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=certifies color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=consults color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=advises color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [label=licenses color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=trends color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=policies_implements color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	M1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_311.txt b/test/graphviz/graph_medium/graphviz_311.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5d687784b23ab6708250a062e6d3b5576bd442e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_311.txt
@@ -0,0 +1,24 @@
+<Conflict Resolution Training, connectedTo, Reintegration Programs>
+<Crime Prevention Through Education, connectedTo, CCTV Installation>
+<Domestic Violence Prevention, connectedTo, Technology for Prevention>
+<Domestic Violence Prevention, partOf, Domestic Violence Prevention>
+<Early Intervention Programs, connectedTo, Domestic Violence Prevention>
+<Early Intervention Programs, connectedTo, Environmental Design>
+<Environmental Design, connectedTo, Crime Prevention Through Education>
+<Policy Development for Prevention, connectedTo, Robbery Prevention>
+<Policy Development for Prevention, policies_implements, Conflict Resolution Training>
+<Public Awareness Campaigns, connectedTo, Early Intervention Programs>
+<Public Awareness Campaigns, connectedTo, Target Hardening>
+<Reintegration Programs, connectedTo, Crime Prevention Through Education>
+<Reintegration Programs, consults, Public Awareness Campaigns>
+<Reintegration Programs, licenses, CCTV Installation>
+<Robbery Prevention, collaborates, Youth Programs>
+<Robbery Prevention, trends, Conflict Resolution Training>
+<Sexual Assault Prevention, connectedTo, Early Intervention Programs>
+<Sexual Assault Prevention, identifies_risks, Policy Development for Prevention>
+<Target Hardening, advises, Early Intervention Programs>
+<Technology for Prevention, connectedTo, Early Intervention Programs>
+<Technology for Prevention, partOf, Technology for Prevention>
+<Youth Programs, certifies, Conflict Resolution Training>
+<Youth Programs, connectedTo, Early Intervention Programs>
+<Youth Programs, connectedTo, Target Hardening>
diff --git a/test/graphviz/graph_medium/graphviz_312.dot b/test/graphviz/graph_medium/graphviz_312.dot
new file mode 100644
index 0000000000000000000000000000000000000000..596442fe8fde140253e8b9ec61c65c75ea7fc253
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_312.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=RL
+	N0 [label="Robbery Prevention" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label="Environmental Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=plaintext style=filled]
+	N2 [label="Youth Programs" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N3 [label="Crime Data Analysis" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N4 [label="Crisis Intervention" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N5 [label="Cybercrime Prevention" color="#66BB6A" fillcolor="#E8F5E9" shape=octagon style=filled]
+	N6 [label="Drug Prevention Initiatives" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N7 [label="Burglary Prevention" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N8 [label="Patrol Operations" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N9 [label="Law Enforcement Training" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	M0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Conflict Resolution Training" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sexual Assault Prevention" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+		nest0_1 [label="Identity Theft Prevention" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+		nest0_2 [label="Deterrence Strategies" color="#66BB6A" fillcolor="#E8F5E9" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=programs_initiates color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=rehabilitates_offenders color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=models color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=analyzes_data color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N9 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_312.txt b/test/graphviz/graph_medium/graphviz_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a2660cabd14d4b24cbb9a0b1e19345199e0fc808
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_312.txt
@@ -0,0 +1,19 @@
+<Burglary Prevention, analyzes_data, Patrol Operations>
+<Burglary Prevention, connectedTo, Law Enforcement Training>
+<Crime Data Analysis, connectedTo, Crisis Intervention>
+<Crime Data Analysis, connectedTo, Law Enforcement Training>
+<Crisis Intervention, connectedTo, Sexual Assault Prevention>
+<Crisis Intervention, models, Cybercrime Prevention>
+<Cybercrime Prevention, connectedTo, Drug Prevention Initiatives>
+<Deterrence Strategies, connectedTo, Law Enforcement Training>
+<Deterrence Strategies, partOf, Deterrence Strategies>
+<Drug Prevention Initiatives, connectedTo, Burglary Prevention>
+<Environmental Design, connectedTo, Law Enforcement Training>
+<Environmental Design, connectedTo, Youth Programs>
+<Identity Theft Prevention, partOf, Identity Theft Prevention>
+<Identity Theft Prevention, programs_initiates, Deterrence Strategies>
+<Patrol Operations, connectedTo, Law Enforcement Training>
+<Robbery Prevention, rehabilitates_offenders, Environmental Design>
+<Sexual Assault Prevention, connectedTo, Identity Theft Prevention>
+<Sexual Assault Prevention, partOf, Sexual Assault Prevention>
+<Youth Programs, connectedTo, Crime Data Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_314.dot b/test/graphviz/graph_medium/graphviz_314.dot
new file mode 100644
index 0000000000000000000000000000000000000000..903d228dd9b1bbf6ac8f5f9384696f914eb32b37
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_314.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=LR
+	N0 [label="Human_Wildlife Conflict Mitigation" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N1 [label="Satellite Tracking of Animals" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N2 [label="Climate Change Adaptation for Wildlife" color="#66BB6A" fillcolor="#E8F5E9" shape=plaintext style=filled]
+	N3 [label="Marine Conservation" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N4 [label="Reintroduction Programs" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N5 [label="Habitat Restoration" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N6 [label="Ecotourism Management" color="#6EB76D" fillcolor="#E9F7E8" shape=Mdiamond style=filled]
+	N7 [label="Protected Area Management" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N8 [label="International Treaties Enforcement" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N9 [label="Rewilding Initiatives" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N10 [label="Disease Surveillance" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N11 [label="Forestry Practices for Conservation" color="#6EB76D" fillcolor="#E9F7E8" shape=Mdiamond style=filled]
+	N12 [label="Data Management for Conservation" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N13 [label="Sustainable Resource Management" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Captive Breeding Programs" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Wetland Restoration" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+		nest0_1 [label="Freshwater Conservation" color="#66BB6A" fillcolor="#E8F5E9" shape=plaintext style=filled]
+		nest0_2 [label="Camera Trap Deployment" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+		nest0_3 [label="Population Dynamics Study" color="#AF56A6" fillcolor="#DDCEDD" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=technologies_applies color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=rehabilitates color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=invasive_removes color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=analyzes_data color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=secures_areas color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label=advocates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N13 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_316.dot b/test/graphviz/graph_medium/graphviz_316.dot
new file mode 100644
index 0000000000000000000000000000000000000000..df27962661d7f94b0dcab63271f5fa871debaf47
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_316.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=TD
+	N0 [label="Coral Reef Monitoring" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N1 [label="Marine Life Observation" color="#64B5F6" fillcolor="#E3F2FD" shape=Mdiamond style=filled]
+	N2 [label="Polar Oceanography" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+	N3 [label="Marine Geology" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N4 [label="Deep_Sea Exploration" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="Ocean Acidification Research" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N6 [label="Marine Biodiversity Assessment" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N7 [label="Tsunami Prediction" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N8 [label="Hydrothermal Vent Exploration" color="#7E57C2" fillcolor="#EDE7F6" shape=plaintext style=filled]
+	N9 [label="Ocean Data Archiving" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N10 [label="Ocean Floor Mapping" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Marine Remote Sensing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Ocean Renewable Energy" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_1 [label="Biological Oceanography" color="#90A4AE" fillcolor="#ECEFF1" shape=oval style=filled]
+		nest0_2 [label="Chemical Oceanography" color="#7E57C2" fillcolor="#EDE7F6" shape=plaintext style=filled]
+		nest0_3 [label="Seabed Resource Exploration" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=geology color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=explores color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=visualizes_data color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=measures color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [label=pollution color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N6 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=salinity color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=tides color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_317.txt b/test/graphviz/graph_medium/graphviz_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31b92b4d3d335cf655ce8ebfaf5d75d0abdc0509
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_317.txt
@@ -0,0 +1,23 @@
+<Acoustic Oceanography, connectedTo, Ocean Carbon Cycle>
+<Biological Oceanography, charts, Sea Level Monitoring>
+<Chemical Oceanography, connectedTo, Ocean Carbon Cycle>
+<Chemical Oceanography, partOf, Chemical Oceanography>
+<Coral Reef Monitoring, connectedTo, Ocean Renewable Energy>
+<Coral Reef Monitoring, partOf, Coral Reef Monitoring>
+<Data Visualization, samples, ROV or AUV Operations>
+<Fisheries Management, educates, Biological Oceanography>
+<Marine Pollution Monitoring, connectedTo, Ocean Acidification Research>
+<Ocean Acidification Research, connectedTo, Underwater Acoustics>
+<Ocean Carbon Cycle, connectedTo, Plastic Pollution Research>
+<Ocean Carbon Cycle, connectedTo, Sea Level Monitoring>
+<Ocean Renewable Energy, explores, Physical Oceanography>
+<Ocean Renewable Energy, partOf, Ocean Renewable Energy>
+<Physical Oceanography, connectedTo, Chemical Oceanography>
+<Physical Oceanography, partOf, Physical Oceanography>
+<Plastic Pollution Research, connectedTo, Data Visualization>
+<Plastic Pollution Research, connectedTo, Sea Level Monitoring>
+<ROV or AUV Operations, connectedTo, Coral Reef Monitoring>
+<ROV or AUV Operations, temperature, Biological Oceanography>
+<Sea Level Monitoring, predicts, Fisheries Management>
+<Underwater Acoustics, connectedTo, Acoustic Oceanography>
+<Underwater Acoustics, connectedTo, Sea Level Monitoring>
diff --git a/test/graphviz/graph_medium/graphviz_319.dot b/test/graphviz/graph_medium/graphviz_319.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2aa328597189cf21633bd80bbb3c109bbd232fd8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_319.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=BT
+	N0 [label="Tsunami Warning Systems" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Seismic Data Processing" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N2 [label="Strong Motion Instrumentation" color="#4DB6AC" fillcolor="#E0F2F1" shape=octagon style=filled]
+	N3 [label="Seismic Risk Mitigation" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N4 [label="Fault Line Mapping" color="#4CAF50" fillcolor="#C8E6C9" shape=Mdiamond style=filled]
+	N5 [label="Computational Seismology" color="#4DB6AC" fillcolor="#E0F2F1" shape=plaintext style=filled]
+	N6 [label="Seismic Inversion" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N7 [label="Ground Motion Prediction" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Seismic Network Operations" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Data Archiving and Distribution" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_1 [label="Deep Earth Seismology" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+		nest0_2 [label="Seismic Noise Analysis" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_3 [label="Tectonic Stress Measurement" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=notifies color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=calibrates_sensors color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=data_collects color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=locates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N6 [label=data_transmits color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [label=records color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=visualizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_319.txt b/test/graphviz/graph_medium/graphviz_319.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2888df0ffe1b1cdc7ed1d592a3846161a152f0b2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_319.txt
@@ -0,0 +1,23 @@
+<Computational Seismology, connectedTo, Seismic Inversion>
+<Data Archiving and Distribution, connectedTo, Deep Earth Seismology>
+<Data Archiving and Distribution, partOf, Data Archiving and Distribution>
+<Deep Earth Seismology, connectedTo, Seismic Noise Analysis>
+<Deep Earth Seismology, partOf, Deep Earth Seismology>
+<Fault Line Mapping, locates, Computational Seismology>
+<Seismic Data Processing, data_collects, Strong Motion Instrumentation>
+<Seismic Data Processing, visualizes, Ground Motion Prediction>
+<Seismic Inversion, connectedTo, Ground Motion Prediction>
+<Seismic Noise Analysis, notifies, Tectonic Stress Measurement>
+<Seismic Noise Analysis, partOf, Seismic Noise Analysis>
+<Seismic Risk Mitigation, connectedTo, Computational Seismology>
+<Seismic Risk Mitigation, connectedTo, Data Archiving and Distribution>
+<Seismic Risk Mitigation, connectedTo, Fault Line Mapping>
+<Seismic Risk Mitigation, connectedTo, Ground Motion Prediction>
+<Seismic Risk Mitigation, records, Seismic Inversion>
+<Strong Motion Instrumentation, connectedTo, Seismic Risk Mitigation>
+<Tectonic Stress Measurement, data_transmits, Seismic Inversion>
+<Tectonic Stress Measurement, partOf, Tectonic Stress Measurement>
+<Tsunami Warning Systems, calibrates_sensors, Seismic Data Processing>
+<Tsunami Warning Systems, connectedTo, Fault Line Mapping>
+<Tsunami Warning Systems, connectedTo, Ground Motion Prediction>
+<Tsunami Warning Systems, connectedTo, Seismic Inversion>
diff --git a/test/graphviz/graph_medium/graphviz_32.txt b/test/graphviz/graph_medium/graphviz_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c7f9b71f55b58364adff53bce8bf478ebdad073
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_32.txt
@@ -0,0 +1,26 @@
+<Automated Milking, connectedTo, Barn Cleaning>
+<Barn Cleaning, researches, Hydroponic System Management>
+<Crop Monitoring, connectedTo, Pest Spraying>
+<Crop Monitoring, transports, Greenhouse Control>
+<Equipment Repair, processes, Weather Tracking>
+<Food Processing, connectedTo, Crop Monitoring>
+<Greenhouse Control, connectedTo, Packaging for Sale>
+<Greenhouse Control, connectedTo, Soil Testing>
+<Greenhouse Control, partOf, Greenhouse Control>
+<Hydroponic System Management, connectedTo, Livestock Feeding>
+<Hydroponic System Management, connectedTo, Subsidy Application>
+<Irrigation Scheduling, connectedTo, Water Level Measurement>
+<Irrigation Scheduling, partOf, Irrigation Scheduling>
+<Packaging for Sale, connectedTo, Produce Sorting>
+<Packaging for Sale, partOf, Packaging for Sale>
+<Pest Spraying, connectedTo, Water Level Measurement>
+<Pest Spraying, tracks, Greenhouse Control>
+<Produce Sorting, connectedTo, Irrigation Scheduling>
+<Produce Sorting, partOf, Produce Sorting>
+<Seedling Transplanting, connectedTo, Livestock Feeding>
+<Soil Testing, connectedTo, Weather Tracking>
+<Soil Testing, fertilizes, Seedling Transplanting>
+<Subsidy Application, connectedTo, Food Processing>
+<Water Level Measurement, connectedTo, Soil Testing>
+<Weather Tracking, connectedTo, Automated Milking>
+<Weather Tracking, propagates, Pest Spraying>
diff --git a/test/graphviz/graph_medium/graphviz_320.txt b/test/graphviz/graph_medium/graphviz_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3996e5b9268a50181d1edd3b2d6af1039feb7a13
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_320.txt
@@ -0,0 +1,24 @@
+<Earth Structure Imaging, connectedTo, Seismic Instrumentation Maintenance>
+<Earthquake Detection, advises, Geophysical Exploration>
+<Earthquake Prediction Research, connectedTo, Earthquake Detection>
+<Fault Line Mapping, connectedTo, Strong Motion Instrumentation>
+<Fault Line Mapping, partOf, Fault Line Mapping>
+<Geophysical Exploration, connectedTo, Microseismicity Study>
+<Geophysical Exploration, connectedTo, Paleoseismology>
+<Induced Seismicity Monitoring, connectedTo, Earth Structure Imaging>
+<Liquefaction Potential Assessment, connectedTo, Tectonic Stress Measurement>
+<Magnitude Determination, locates, Fault Line Mapping>
+<Magnitude Determination, partOf, Magnitude Determination>
+<Microseismicity Study, crustal_deformation, Magnitude Determination>
+<Microseismicity Study, partOf, Microseismicity Study>
+<Paleoseismology, connectedTo, Earth Structure Imaging>
+<Paleoseismology, connectedTo, Seismic Instrumentation Maintenance>
+<Paleoseismology, improves_accuracy, Strong Motion Instrumentation>
+<Paleoseismology, notifies, Induced Seismicity Monitoring>
+<Seismic Instrumentation Maintenance, connectedTo, Building Code Development>
+<Seismic Risk Mitigation, international_cooperates, Earthquake Prediction Research>
+<Seismic Tomography, connectedTo, Liquefaction Potential Assessment>
+<Strong Motion Instrumentation, connectedTo, Building Code Development>
+<Strong Motion Instrumentation, connectedTo, Induced Seismicity Monitoring>
+<Strong Motion Instrumentation, monitors, Seismic Instrumentation Maintenance>
+<Tectonic Stress Measurement, earthquakes_studies, Seismic Risk Mitigation>
diff --git a/test/graphviz/graph_medium/graphviz_321.txt b/test/graphviz/graph_medium/graphviz_321.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7336a090c9d3edc9a2fb618510b73de424e7332
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_321.txt
@@ -0,0 +1,21 @@
+<Aftershock Analysis, connectedTo, Structural Response to Earthquakes>
+<Computational Seismology, connectedTo, Fault Line Mapping>
+<Computational Seismology, warns, Structural Response to Earthquakes>
+<Deep Earth Seismology, connectedTo, Seismic Network Operations>
+<Deep Earth Seismology, partOf, Deep Earth Seismology>
+<Earthquake Detection, connectedTo, Seismic Wave Analysis>
+<Earthquake Detection, partOf, Earthquake Detection>
+<Earthquake Early Warning Systems, engineers, Aftershock Analysis>
+<Earthquake Prediction Research, connectedTo, Seismic Inversion>
+<Fault Line Mapping, connectedTo, Aftershock Analysis>
+<Fault Line Mapping, connectedTo, Earthquake Detection>
+<Fault Line Mapping, connectedTo, Earthquake Early Warning Systems>
+<Fault Line Mapping, connectedTo, Structural Response to Earthquakes>
+<Fault Line Mapping, crustal_deformation, Structural Response to Earthquakes>
+<Seismic Inversion, calibrates_sensors, Computational Seismology>
+<Seismic Inversion, receives, Structural Response to Earthquakes>
+<Seismic Network Operations, connectedTo, Structural Response to Earthquakes>
+<Seismic Network Operations, partOf, Seismic Network Operations>
+<Seismic Wave Analysis, connectedTo, Deep Earth Seismology>
+<Seismic Wave Analysis, partOf, Seismic Wave Analysis>
+<Subsurface Imaging, connectedTo, Earthquake Prediction Research>
diff --git a/test/graphviz/graph_medium/graphviz_322.dot b/test/graphviz/graph_medium/graphviz_322.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4f207991291f833d1c067b55069d546f9387f914
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_322.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=BT
+	N0 [label="Bioinformatics Pipeline Development" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N1 [label="Single_Cell Genomics" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N2 [label="Gene Expression Profiling" color="#80DDEA" fillcolor="#D3F7F9" shape=plaintext style=filled]
+	N3 [label="Rare Disease Genomics" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N4 [label="Biomarker Discovery" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N5 [label="Population Genomics" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label=Pharmacogenomics color="#E0E0E0" fillcolor="#EBEBEB" shape=folder style=filled]
+	N7 [label="Genomic Editing" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N8 [label="Synthetic Genomics" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N9 [label="Genomic Data Analysis" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N10 [label="Genomic Data Sharing" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N11 [label="Data Privacy in Genomics" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N12 [label="Personalized Medicine" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N13 [label="Functional Genomics" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	M0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Next_Generation Sequencing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cloning Technologies" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+		nest0_1 [label="Genetic Counseling" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=modifies color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=algorithms_develops color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=licenses color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=genomes_researches color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N7 [label=sequences color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [label=collaborates color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N12 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N2 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N5 [label=genes_studies color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_323.dot b/test/graphviz/graph_medium/graphviz_323.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d9add79db30749870fbd87cb045acc7b6d6e16d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_323.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=LR
+	N0 [label="Biomarker Discovery" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="CRISPR Gene Drive Research" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N2 [label="Data Privacy in Genomics" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N3 [label=Proteomics color="#80DDEA" fillcolor="#D3F7F9" shape=octagon style=filled]
+	N4 [label="Genomic Editing" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N5 [label="Computational Genomics" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label="Single_Cell Genomics" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N7 [label="Cancer Genomics" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label=Transcriptomics labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Next_Generation Sequencing" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+		nest0_1 [label="Bioinformatics Pipeline Development" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+		nest0_2 [label="Genomic Data Sharing" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_3 [label="Comparative Genomics" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=genes_studies color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=accesses_data color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label=analyzes color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N4 [label=educates color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=interprets color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=patents color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_323.txt b/test/graphviz/graph_medium/graphviz_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8821397f2949646e98b3c8c0e8429995b0cea31
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_323.txt
@@ -0,0 +1,20 @@
+<Bioinformatics Pipeline Development, connectedTo, Genomic Data Sharing>
+<Bioinformatics Pipeline Development, partOf, Bioinformatics Pipeline Development>
+<Biomarker Discovery, genes_studies, CRISPR Gene Drive Research>
+<CRISPR Gene Drive Research, analyzes, Next_Generation Sequencing>
+<CRISPR Gene Drive Research, connectedTo, Data Privacy in Genomics>
+<CRISPR Gene Drive Research, patents, Computational Genomics>
+<Comparative Genomics, educates, Genomic Editing>
+<Comparative Genomics, partOf, Comparative Genomics>
+<Computational Genomics, accesses_data, Single_Cell Genomics>
+<Data Privacy in Genomics, connectedTo, Computational Genomics>
+<Data Privacy in Genomics, connectedTo, Proteomics>
+<Genomic Data Sharing, connectedTo, Comparative Genomics>
+<Genomic Data Sharing, partOf, Genomic Data Sharing>
+<Genomic Editing, connectedTo, Computational Genomics>
+<Next_Generation Sequencing, connectedTo, Bioinformatics Pipeline Development>
+<Next_Generation Sequencing, partOf, Next_Generation Sequencing>
+<Proteomics, connectedTo, Computational Genomics>
+<Proteomics, connectedTo, Genomic Editing>
+<Proteomics, interprets, Single_Cell Genomics>
+<Single_Cell Genomics, connectedTo, Cancer Genomics>
diff --git a/test/graphviz/graph_medium/graphviz_325.dot b/test/graphviz/graph_medium/graphviz_325.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c82d5e9bc84afda804f4fd6c2bdd0397acd984b8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_325.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=BT
+	N0 [label="Acoustic Modeling" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Robust Speech Recognition" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N2 [label="Contextual Understanding" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N3 [label="Linguistic Analysis" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N4 [label="Voice Search Optimization" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+	N5 [label="Legal Transcription" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N6 [label="Automatic Speech Recognition" color="#7E57C2" fillcolor="#EDE7F6" shape=oval style=filled]
+	N7 [label="Keyword Spotting" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N8 [label="Text_to_Speech Synthesis" color="#FBC02D" fillcolor="#FFFDE7" shape=folder style=filled]
+	N9 [label="Phonetic Transcription" color="#CB9BE1" fillcolor="#F2E6F5" shape=oval style=filled]
+	N10 [label="Voice Assistant Development" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Command and Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Embedded Speech Recognition" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+		nest0_1 [label="Security Authentication" color="#FBC02D" fillcolor="#FFFDE7" shape=oval style=filled]
+		nest0_2 [label="Real_Time Captioning" color="#CB9BE1" fillcolor="#F2E6F5" shape=Mdiamond style=filled]
+		nest0_3 [label="Accent Recognition" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=trains color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=designs color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=generates color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label=acoustic_models color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [label=supports color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=integrates color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=builds color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [label=transcribes color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_326.dot b/test/graphviz/graph_medium/graphviz_326.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cfb04adb6e1bf4a0009a765d01aeeb70feeb3ad
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_326.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=BT
+	N0 [label="Speech Analytics" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Speech Emotion Recognition" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N2 [label="Children's Speech Recognition" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N3 [label="Command and Control" color="#F06292" fillcolor="#FCE4EC" shape=oval style=filled]
+	N4 [label="Natural Language Understanding" color="#FBC02D" fillcolor="#FFFDE7" shape=plaintext style=filled]
+	N5 [label="Voice Activity Detection" color="#FBC02D" fillcolor="#FFFDE7" shape=plaintext style=filled]
+	N6 [label="Call Center Automation" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N7 [label="Security Authentication" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N8 [label="Accent Recognition" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N9 [label="Prosody Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N10 [label="Medical Transcription" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N11 [label="Cross_Lingual Speech Recognition" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	M0 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Keyword Spotting" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Embedded Speech Recognition" color="#FBC02D" fillcolor="#FFFDE7" shape=octagon style=filled]
+		nest0_1 [label="Voice Search Optimization" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest0_2 [label="Voice User Interface Design" color="#CDDC39" fillcolor="#E6EE9C" shape=Mdiamond style=filled]
+		nest0_3 [label="Legal Transcription" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=sells color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=enhances color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=transcribes color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N9 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=protects color="#F06292" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> nest0_3 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_327.dot b/test/graphviz/graph_medium/graphviz_327.dot
new file mode 100644
index 0000000000000000000000000000000000000000..365b9f5ad8c65c9a7effa89471095ce76a99b795
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_327.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=BT
+	N0 [label="Speech Analytics" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Phonetic Transcription" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N2 [label="Natural Language Understanding" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N3 [label="Real_Time Captioning" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N4 [label="Dialect Adaptation" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N5 [label="Medical Transcription" color="#FFA726" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N6 [label="Feature Extraction" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N7 [label="Speech Emotion Recognition" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N8 [label="Meeting Transcription" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N9 [label="Cross_Lingual Speech Recognition" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N10 [label="Speech_to_Text Conversion" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Cloud_based Speech Services" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Multimodal Speech Processing" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest0_1 [label="Voice Assistant Development" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=translates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=trains color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=learns color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=automates color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_327.txt b/test/graphviz/graph_medium/graphviz_327.txt
new file mode 100644
index 0000000000000000000000000000000000000000..971139d2e3fcada06b022370183a89cb0f9c382b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_327.txt
@@ -0,0 +1,18 @@
+<Cross_Lingual Speech Recognition, trains, Speech_to_Text Conversion>
+<Dialect Adaptation, connectedTo, Medical Transcription>
+<Dialect Adaptation, learns, Multimodal Speech Processing>
+<Feature Extraction, connectedTo, Speech Emotion Recognition>
+<Medical Transcription, connectedTo, Feature Extraction>
+<Meeting Transcription, connectedTo, Cross_Lingual Speech Recognition>
+<Multimodal Speech Processing, partOf, Multimodal Speech Processing>
+<Multimodal Speech Processing, translates, Voice Assistant Development>
+<Natural Language Understanding, connectedTo, Real_Time Captioning>
+<Phonetic Transcription, connectedTo, Natural Language Understanding>
+<Real_Time Captioning, automates, Meeting Transcription>
+<Real_Time Captioning, connectedTo, Cross_Lingual Speech Recognition>
+<Real_Time Captioning, connectedTo, Dialect Adaptation>
+<Real_Time Captioning, optimizes, Speech Emotion Recognition>
+<Speech Analytics, connectedTo, Phonetic Transcription>
+<Speech Emotion Recognition, connectedTo, Meeting Transcription>
+<Voice Assistant Development, connectedTo, Speech Emotion Recognition>
+<Voice Assistant Development, partOf, Voice Assistant Development>
diff --git a/test/graphviz/graph_medium/graphviz_328.dot b/test/graphviz/graph_medium/graphviz_328.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ef1fd95c5ba591817af973861dfa6c6c6fc99d8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_328.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=LR
+	N0 [label=Tokenization color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Named Entity Recognition" color="#CD8FF2" fillcolor="#ECCFF5" shape=octagon style=filled]
+	N2 [label="Biomedical Text Mining" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N3 [label="Social Media Text Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N4 [label="Machine Learning for Text Mining" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N5 [label="News Article Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=oval style=filled]
+	N6 [label="Annotation Tools" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N7 [label="Vector Space Models" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N8 [label="Chatbot Development" color="#42A5F5" fillcolor="#F1F8FF" shape=plaintext style=filled]
+	N9 [label="Part_of_Speech Tagging" color="#42A5F5" fillcolor="#F1F8FF" shape=Mdiamond style=filled]
+	N10 [label="Natural Language Processing" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N11 [label="Automated Content Tagging" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N12 [label="Text Preprocessing" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N13 [label="Spam Detection" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	S0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Information Extraction" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Lemmatization or Stemming" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+		nest0_1 [label="Opinion Mining" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=topics color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=relationships color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=predicts color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=blocks color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=complies color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [label=reports color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [label=secures color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N11 [label=evaluates color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N0 -> S1 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=alerts color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_329.dot b/test/graphviz/graph_medium/graphviz_329.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0aafcee9b0ed7379d45ad7bd13128e7bc7ef9d5b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_329.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=BT
+	N0 [label="Concept Extraction" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Automated Content Tagging" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N2 [label="Plagiarism Detection" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N3 [label="Information Extraction" color="#A2D0FF" fillcolor="#E8F0FF" shape=plaintext style=filled]
+	N4 [label="News Article Analysis" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N5 [label="Spam Detection" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	S0 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Regular Expressions for Text" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Machine Learning for Text Mining" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+		nest0_1 [label="Author Attribution" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+		nest0_2 [label="Vector Space Models" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+		nest0_3 [label="Document Summarization" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=recommends color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=processes color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [label=predicts color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [label=secures color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=builds_tools color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_33.dot b/test/graphviz/graph_medium/graphviz_33.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f73880d3661ff87f5de8dd85f76fe99812ccd037
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_33.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=RL
+	N0 [label="Weed Removal" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N1 [label="Disease Detection" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N2 [label="Farm Machinery Operation" color="#A188D0" fillcolor="#DACBE3" shape=plaintext style=filled]
+	N3 [label="Produce Sorting" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N4 [label="Supply Chain to Retailers" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N5 [label="Weather Tracking" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N6 [label="Crop Rotation Planning" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N7 [label="Livestock Feeding" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Fertilizer Application" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Traceability System" color="#A188D0" fillcolor="#DACBE3" shape=oval style=filled]
+		nest0_1 [label=Harvesting color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=researches color="#795548" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=tests color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N4 [label=sustains color="#795548" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=educates color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#795548" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_33.txt b/test/graphviz/graph_medium/graphviz_33.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c4f6788b3af42fccaaa5ba916038610b861eab8a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_33.txt
@@ -0,0 +1,19 @@
+<Crop Rotation Planning, connectedTo, Livestock Feeding>
+<Disease Detection, connectedTo, Livestock Feeding>
+<Disease Detection, researches, Farm Machinery Operation>
+<Farm Machinery Operation, connectedTo, Produce Sorting>
+<Farm Machinery Operation, connectedTo, Traceability System>
+<Harvesting, partOf, Harvesting>
+<Harvesting, sustains, Supply Chain to Retailers>
+<Produce Sorting, connectedTo, Livestock Feeding>
+<Produce Sorting, connectedTo, Supply Chain to Retailers>
+<Produce Sorting, connectedTo, Weather Tracking>
+<Produce Sorting, educates, Livestock Feeding>
+<Supply Chain to Retailers, connectedTo, Crop Rotation Planning>
+<Supply Chain to Retailers, connectedTo, Livestock Feeding>
+<Supply Chain to Retailers, connectedTo, Weather Tracking>
+<Traceability System, connectedTo, Harvesting>
+<Traceability System, partOf, Traceability System>
+<Weather Tracking, tests, Crop Rotation Planning>
+<Weed Removal, connectedTo, Disease Detection>
+<Weed Removal, connectedTo, Livestock Feeding>
diff --git a/test/graphviz/graph_medium/graphviz_330.dot b/test/graphviz/graph_medium/graphviz_330.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d89239ccf1e4e45245ca387544b6972bbd96c673
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_330.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=RL
+	N0 [label="Annotation Tools" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Relationship Extraction" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N2 [label="Patent Analysis" color="#AB47BC" fillcolor="#F3E5F5" shape=oval style=filled]
+	N3 [label="Customer Feedback Analysis" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N4 [label="Keyword Extraction" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N5 [label="Text Classification" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N6 [label="Deep Learning for NLP" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N7 [label="Plagiarism Detection" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N8 [label="Document Summarization" color="#4285F4" fillcolor="#D0E0F8" shape=folder style=filled]
+	N9 [label="Biomedical Text Mining" color="#4285F4" fillcolor="#D0E0F8" shape=plaintext style=filled]
+	N10 [label="Data Cleaning for Text" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N11 [label="Machine Learning for Text Mining" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	S0 [label="" color="#4285F4" fillcolor="#D0E0F8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AB47BC" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A1887F" fillcolor="#EFEBE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Opinion Mining" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Part_of_Speech Tagging" color="#4285F4" fillcolor="#D0E0F8" shape=Mdiamond style=filled]
+		nest0_1 [label="Named Entity Recognition" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+		nest0_2 [label="Automated Content Tagging" color="#4285F4" fillcolor="#D0E0F8" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=applies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=topics color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=automates color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N10 [label=analyzes color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=entities color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [label=integrates color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [label=structures color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_330.txt b/test/graphviz/graph_medium/graphviz_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e111a060ec55c762d88665b6ff3e25bfa1d261c0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_330.txt
@@ -0,0 +1,25 @@
+<Annotation Tools, applies, Relationship Extraction>
+<Annotation Tools, connectedTo, Keyword Extraction>
+<Annotation Tools, connectedTo, Text Classification>
+<Annotation Tools, entities, Deep Learning for NLP>
+<Automated Content Tagging, analyzes, Data Cleaning for Text>
+<Automated Content Tagging, partOf, Automated Content Tagging>
+<Biomedical Text Mining, connectedTo, Data Cleaning for Text>
+<Customer Feedback Analysis, connectedTo, Plagiarism Detection>
+<Customer Feedback Analysis, structures, Text Classification>
+<Customer Feedback Analysis, topics, Keyword Extraction>
+<Data Cleaning for Text, connectedTo, Machine Learning for Text Mining>
+<Deep Learning for NLP, automates, Plagiarism Detection>
+<Deep Learning for NLP, connectedTo, Part_of_Speech Tagging>
+<Document Summarization, connectedTo, Biomedical Text Mining>
+<Keyword Extraction, connectedTo, Text Classification>
+<Named Entity Recognition, connectedTo, Automated Content Tagging>
+<Named Entity Recognition, partOf, Named Entity Recognition>
+<Part_of_Speech Tagging, connectedTo, Named Entity Recognition>
+<Part_of_Speech Tagging, partOf, Part_of_Speech Tagging>
+<Patent Analysis, connectedTo, Customer Feedback Analysis>
+<Patent Analysis, integrates, Text Classification>
+<Plagiarism Detection, connectedTo, Document Summarization>
+<Relationship Extraction, connectedTo, Patent Analysis>
+<Text Classification, connectedTo, Deep Learning for NLP>
+<Text Classification, connectedTo, Plagiarism Detection>
diff --git a/test/graphviz/graph_medium/graphviz_331.dot b/test/graphviz/graph_medium/graphviz_331.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6235cd70f7eb1458b6cea73a68a60aa9b9e832e5
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_331.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=TD
+	N0 [label="Smart City Planning" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Data Security for Digital Twins" color="#26A69A" fillcolor="#E0F2F1" shape=octagon style=filled]
+	N2 [label="Historical Data Analysis" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N3 [label="Virtual Prototyping" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N4 [label="Predictive Maintenance" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N5 [label="Cyber_Physical Systems" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N6 [label="Autonomous Operations" color="#A1D7CD" fillcolor="#EDF5F3" shape=plaintext style=filled]
+	N7 [label="Design Validation" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N8 [label="IoT Data Ingestion" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N9 [label="Building Information Modeling Integration" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+	N10 [label="Smart Manufacturing" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N11 [label="Remote Control Capabilities" color="#A1D7CD" fillcolor="#EDF5F3" shape=Mdiamond style=filled]
+	N12 [label="Simulation Platform Development" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Operational Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Energy Consumption Optimization" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+		nest0_1 [label="Lifecycle Management" color="#26A69A" fillcolor="#E0F2F1" shape=octagon style=filled]
+		nest0_2 [label="Risk Assessment" color="#92C79A" fillcolor="#E8F0EA" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [label=visualizes color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=blockchain_leverages color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=products_enhances color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=diagnoses color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=controls color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N12 [label=repairs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_331.txt b/test/graphviz/graph_medium/graphviz_331.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c451fa8e0a00f3847ced00157a78dc5282595c7a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_331.txt
@@ -0,0 +1,23 @@
+<Autonomous Operations, diagnoses, Design Validation>
+<Building Information Modeling Integration, connectedTo, Smart Manufacturing>
+<Cyber_Physical Systems, connectedTo, Autonomous Operations>
+<Cyber_Physical Systems, connectedTo, Energy Consumption Optimization>
+<Data Security for Digital Twins, connectedTo, Historical Data Analysis>
+<Design Validation, connectedTo, IoT Data Ingestion>
+<Energy Consumption Optimization, partOf, Energy Consumption Optimization>
+<Energy Consumption Optimization, visualizes, Lifecycle Management>
+<Historical Data Analysis, blockchain_leverages, Virtual Prototyping>
+<IoT Data Ingestion, connectedTo, Building Information Modeling Integration>
+<Lifecycle Management, connectedTo, Risk Assessment>
+<Lifecycle Management, partOf, Lifecycle Management>
+<Predictive Maintenance, products_enhances, Cyber_Physical Systems>
+<Remote Control Capabilities, controls, Simulation Platform Development>
+<Risk Assessment, partOf, Risk Assessment>
+<Risk Assessment, repairs, Simulation Platform Development>
+<Smart City Planning, connectedTo, Cyber_Physical Systems>
+<Smart City Planning, connectedTo, Data Security for Digital Twins>
+<Smart City Planning, connectedTo, Predictive Maintenance>
+<Smart City Planning, connectedTo, Simulation Platform Development>
+<Smart Manufacturing, connectedTo, Remote Control Capabilities>
+<Virtual Prototyping, connectedTo, Cyber_Physical Systems>
+<Virtual Prototyping, connectedTo, Predictive Maintenance>
diff --git a/test/graphviz/graph_medium/graphviz_332.dot b/test/graphviz/graph_medium/graphviz_332.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e9711e4179e426ef346feef93a214338940ebbf9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_332.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=LR
+	N0 [label="Maintenance Scheduling" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Edge Computing for Twins" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N2 [label="Condition Monitoring" color="#FFF8A6" fillcolor="#FFFDE0" shape=octagon style=filled]
+	N3 [label="Healthcare Digital Twins" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N4 [label="Virtual Reality Interaction" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N5 [label="Historical Data Analysis" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N6 [label="Smart Manufacturing" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N7 [label="Building Information Modeling Integration" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N8 [label="Virtual Prototyping" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N9 [label="Cyber_Physical Systems" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N10 [label="Anomaly Detection" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N11 [label="Predictive Maintenance" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N12 [label="Operational Planning" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	S0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Model Creation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="System Integration Architecture" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+		nest0_1 [label="Smart City Planning" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=decision_supports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=real_time_updates color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=performance_tracks color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [label=controls color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [label=products_enhances color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [label=optimizes color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=environments_monitors color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=validates color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_332.txt b/test/graphviz/graph_medium/graphviz_332.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f0d16e9e42c942f195ca67f6e4543925e2f8de1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_332.txt
@@ -0,0 +1,23 @@
+<Anomaly Detection, connectedTo, Predictive Maintenance>
+<Building Information Modeling Integration, connectedTo, Virtual Prototyping>
+<Condition Monitoring, connectedTo, Healthcare Digital Twins>
+<Condition Monitoring, connectedTo, Historical Data Analysis>
+<Condition Monitoring, optimizes, Operational Planning>
+<Condition Monitoring, products_enhances, Anomaly Detection>
+<Condition Monitoring, validates, Virtual Reality Interaction>
+<Cyber_Physical Systems, connectedTo, Anomaly Detection>
+<Edge Computing for Twins, connectedTo, Condition Monitoring>
+<Edge Computing for Twins, connectedTo, Virtual Reality Interaction>
+<Healthcare Digital Twins, connectedTo, Virtual Reality Interaction>
+<Historical Data Analysis, connectedTo, Smart Manufacturing>
+<Maintenance Scheduling, connectedTo, Edge Computing for Twins>
+<Maintenance Scheduling, environments_monitors, Virtual Reality Interaction>
+<Predictive Maintenance, performance_tracks, Operational Planning>
+<Smart City Planning, controls, Edge Computing for Twins>
+<Smart City Planning, partOf, Smart City Planning>
+<Smart Manufacturing, real_time_updates, Building Information Modeling Integration>
+<System Integration Architecture, decision_supports, Smart City Planning>
+<System Integration Architecture, partOf, System Integration Architecture>
+<Virtual Prototyping, connectedTo, Cyber_Physical Systems>
+<Virtual Prototyping, connectedTo, System Integration Architecture>
+<Virtual Reality Interaction, connectedTo, Historical Data Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_333.txt b/test/graphviz/graph_medium/graphviz_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4791d51c5fddc0f4dd03d774bf362a00ce31bba2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_333.txt
@@ -0,0 +1,24 @@
+<AI or ML Model Integration, connectedTo, Real_Time Data Streaming>
+<AI or ML Model Integration, visualizes, Healthcare Digital Twins>
+<Asset Optimization, connectedTo, AI or ML Model Integration>
+<Asset Optimization, connectedTo, Healthcare Digital Twins>
+<Asset Optimization, connectedTo, Maintenance Scheduling>
+<Asset Optimization, connectedTo, Real_Time Data Streaming>
+<Autonomous Operations, analyzes, Healthcare Digital Twins>
+<Autonomous Operations, connectedTo, Energy Consumption Optimization>
+<Condition Monitoring, builds, Anomaly Detection>
+<Cyber_Physical Systems, connectedTo, Condition Monitoring>
+<Design Validation, connectedTo, Asset Optimization>
+<Energy Consumption Optimization, data_integrates, Design Validation>
+<Healthcare Digital Twins, AR or VR_enables, Cyber_Physical Systems>
+<Healthcare Digital Twins, connectedTo, Simulation Platform Development>
+<Interoperability Standards, connectedTo, AI or ML Model Integration>
+<Lifecycle Management, connectedTo, Predictive Maintenance>
+<Lifecycle Management, partOf, Lifecycle Management>
+<Maintenance Scheduling, connectedTo, Interoperability Standards>
+<Predictive Maintenance, connectedTo, Real_Time Data Streaming>
+<Predictive Maintenance, partOf, Predictive Maintenance>
+<Real_Time Data Streaming, connectedTo, Scalability of Models>
+<Scalability of Models, connectedTo, Healthcare Digital Twins>
+<Simulation Platform Development, failures_predicts, Lifecycle Management>
+<Simulation Platform Development, partOf, Simulation Platform Development>
diff --git a/test/graphviz/graph_medium/graphviz_334.dot b/test/graphviz/graph_medium/graphviz_334.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a1b546b42c8f1ee3c735ab35fbc97fc0a50a65cb
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_334.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=TD
+	N0 [label="Robotic Process Automation Implementation" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Compliance in Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=Mdiamond style=filled]
+	N2 [label="Audit Trail for Automation" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N3 [label="Integration with Existing Systems" color="#FFB74D" fillcolor="#FFF3E0" shape=octagon style=filled]
+	N4 [label="Business Process Management" color="#FFB74D" fillcolor="#FFF3E0" shape=plaintext style=filled]
+	N5 [label="Intelligent Automation" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N6 [label="Task Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+	N7 [label=Hyperautomation color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N8 [label="Return on Investment Calculation" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N9 [label="Report Generation Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N10 [label="Performance Monitoring of Bots" color="#A1D7CD" fillcolor="#EDF5F3" shape=plaintext style=filled]
+	N11 [label="Supply Chain Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N12 [label="Customer Service Automation" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N13 [label="API Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	S0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="HR Process Automation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Document Processing Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+		nest0_1 [label="Orchestration of Processes" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest0_2 [label="Automation Opportunity Identification" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=improves color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=orchestrates color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=tracks color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=supports color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label=scales_processes color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_336.dot b/test/graphviz/graph_medium/graphviz_336.dot
new file mode 100644
index 0000000000000000000000000000000000000000..643865e52ce3de5040c2615a45b9585ef10c4e80
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_336.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=LR
+	N0 [label="API Automation" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Security for Automation Bots" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N2 [label="Compliance in Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
+	N3 [label="Low_Code or No_Code Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N4 [label="HR Process Automation" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N5 [label="Automated Data Validation" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N6 [label="Natural Language Processing for Automation" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N7 [label="Change Management for Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N8 [label=Hyperautomation color="#A2D0FF" fillcolor="#E8F0FF" shape=Mdiamond style=filled]
+	N9 [label="Error Handling in Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N10 [label="Performance Monitoring of Bots" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N11 [label="Scalability of Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N12 [label="Supply Chain Automation" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N13 [label="Robotic Process Automation Implementation" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N14 [label="Business Rule Engines" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N15 [label="Workflow Automation Platforms" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	S0 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Audit Trail for Automation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Report Generation Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=octagon style=filled]
+		nest0_1 [label="Customer Service Automation" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=executes color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=optimizes color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=robots_deploys color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [label=manages color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N4 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N0 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_337.dot b/test/graphviz/graph_medium/graphviz_337.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e417f7e5ecb8655217e899e005aaceec2b844a36
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_337.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=RL
+	N0 [label="Service Quality Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Hardware Quality Testing" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N2 [label="Inspection Procedures" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Audit Planning" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N4 [label="ISO Certification" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N5 [label="Process Monitoring" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Corrective and Preventive Actions" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Measurement System Analysis" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+		nest0_1 [label=Metrology color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+		nest0_2 [label="Continuous Improvement" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=products_evaluates color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=data_collects color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N1 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=researches color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=personnel_trains color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=audits color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label=tools_uses color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_337.txt b/test/graphviz/graph_medium/graphviz_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..54b89be129e110dd8317d62ac54555c4bc0d0712
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_337.txt
@@ -0,0 +1,21 @@
+<Audit Planning, connectedTo, ISO Certification>
+<Audit Planning, connectedTo, Measurement System Analysis>
+<Audit Planning, connectedTo, Process Monitoring>
+<Continuous Improvement, connectedTo, Hardware Quality Testing>
+<Continuous Improvement, partOf, Continuous Improvement>
+<Hardware Quality Testing, connectedTo, Audit Planning>
+<Hardware Quality Testing, connectedTo, ISO Certification>
+<Hardware Quality Testing, connectedTo, Inspection Procedures>
+<Hardware Quality Testing, connectedTo, Process Monitoring>
+<Hardware Quality Testing, personnel_trains, Process Monitoring>
+<Hardware Quality Testing, researches, Audit Planning>
+<Hardware Quality Testing, tools_uses, Process Monitoring>
+<ISO Certification, data_collects, Process Monitoring>
+<Inspection Procedures, connectedTo, Audit Planning>
+<Measurement System Analysis, connectedTo, Metrology>
+<Measurement System Analysis, partOf, Measurement System Analysis>
+<Metrology, connectedTo, Continuous Improvement>
+<Metrology, partOf, Metrology>
+<Service Quality Management, audits, Audit Planning>
+<Service Quality Management, connectedTo, Process Monitoring>
+<Service Quality Management, products_evaluates, Hardware Quality Testing>
diff --git a/test/graphviz/graph_medium/graphviz_339.dot b/test/graphviz/graph_medium/graphviz_339.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bebd539c9d21f7480829669d5e85330f8f4a5a49
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_339.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sampling Plans" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N1 [label="Quality Assurance" color="#00BCD4" fillcolor="#B2EBF2" shape=octagon style=filled]
+	N2 [label="X_ray Inspection" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N3 [label="Quality Data Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N4 [label="Inspection Procedures" color="#00BCD4" fillcolor="#B2EBF2" shape=plaintext style=filled]
+	N5 [label="ISO Certification" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N6 [label="Supplier Audits" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N7 [label="Automated Optical Inspection" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+	N8 [label="Non_Destructive Testing" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	S0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Audit Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Total Quality Management" color="#607D8B" fillcolor="#CFD8DC" shape=plaintext style=filled]
+		nest0_1 [label="Root Cause Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_2 [label="Quality Control Tools" color="#00BCD4" fillcolor="#B2EBF2" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=reports_generates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=software_implements color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [label=certifies color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_339.txt b/test/graphviz/graph_medium/graphviz_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1df80ac70e594bfc9136c7895a9a40220f13243d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_339.txt
@@ -0,0 +1,20 @@
+<Automated Optical Inspection, connectedTo, Non_Destructive Testing>
+<ISO Certification, connectedTo, Supplier Audits>
+<Inspection Procedures, connectedTo, ISO Certification>
+<Quality Assurance, connectedTo, ISO Certification>
+<Quality Assurance, connectedTo, Supplier Audits>
+<Quality Assurance, connectedTo, X_ray Inspection>
+<Quality Control Tools, connectedTo, Automated Optical Inspection>
+<Quality Control Tools, partOf, Quality Control Tools>
+<Quality Data Analysis, connectedTo, Inspection Procedures>
+<Root Cause Analysis, connectedTo, Quality Control Tools>
+<Root Cause Analysis, partOf, Root Cause Analysis>
+<Sampling Plans, connectedTo, Inspection Procedures>
+<Sampling Plans, reports_generates, Quality Assurance>
+<Supplier Audits, connectedTo, Automated Optical Inspection>
+<Supplier Audits, connectedTo, Total Quality Management>
+<Total Quality Management, connectedTo, Root Cause Analysis>
+<Total Quality Management, partOf, Total Quality Management>
+<X_ray Inspection, certifies, Inspection Procedures>
+<X_ray Inspection, connectedTo, ISO Certification>
+<X_ray Inspection, software_implements, Quality Data Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_34.txt b/test/graphviz/graph_medium/graphviz_34.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ee906c71a6e5abba8910052869e0701b7f7b9a8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_34.txt
@@ -0,0 +1,21 @@
+<Adventure Sports Booking, connectedTo, Sightseeing Scheduling>
+<Airport Transfer, connectedTo, Cultural Immersion Program>
+<Airport Transfer, connectedTo, Group Tour Coordination>
+<Cultural Immersion Program, connectedTo, Duty_Free Shopping>
+<Destination Selection, sustains, Cultural Immersion Program>
+<Duty_Free Shopping, connectedTo, Restaurant Reservation>
+<Flight Booking, partOf, Flight Booking>
+<Flight Booking, transports, Loyalty Program Enrollment>
+<Group Tour Coordination, checks in, Cultural Immersion Program>
+<Group Tour Coordination, connectedTo, Adventure Sports Booking>
+<Local Transport, connectedTo, Flight Booking>
+<Local Transport, partOf, Local Transport>
+<Lost and Found Service, connectedTo, Currency Exchange>
+<Loyalty Program Enrollment, connectedTo, Restaurant Reservation>
+<Loyalty Program Enrollment, partOf, Loyalty Program Enrollment>
+<Restaurant Reservation, connectedTo, Lost and Found Service>
+<Sightseeing Scheduling, connectedTo, Tour Guide Assignment>
+<Tour Guide Assignment, connectedTo, Currency Exchange>
+<Tour Guide Assignment, discovers, Cultural Immersion Program>
+<Tour Guide Assignment, personalizes, Destination Selection>
+<Tour Guide Assignment, secures, Local Transport>
diff --git a/test/graphviz/graph_medium/graphviz_341.dot b/test/graphviz/graph_medium/graphviz_341.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fa0613d5cad4ab0ccae925be9c391c8e8fd5f2e2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_341.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Supply Chain Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="User Training" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N2 [label="AI or ML in ERP" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N3 [label="User Access Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Reporting and Analytics" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N5 [label="Integration with Other Systems" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N6 [label="Human Capital Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N7 [label="Vendor Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N8 [label="Mobile ERP Access" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N9 [label="Compliance Reporting" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N10 [label="On_Premise ERP Solutions" color="#D3EB9F" fillcolor="#F8FDD3" shape=oval style=filled]
+	N11 [label="Inventory Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	S0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="User Acceptance Testing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="System Configuration" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+		nest0_1 [label="Data Migration" color="#4DD0E1" fillcolor="#C9F0F0" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=projects_manages color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=inventories_manages color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=protects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=customizes color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [label=finances_manages color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=supports color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=HR_manages color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [label=dashboards_generates color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_341.txt b/test/graphviz/graph_medium/graphviz_341.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6aebab9589a64c793ca01c27fb5668e6d91dad89
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_341.txt
@@ -0,0 +1,24 @@
+<AI or ML in ERP, audits, User Access Management>
+<Compliance Reporting, connectedTo, System Configuration>
+<Compliance Reporting, customizes, On_Premise ERP Solutions>
+<Data Migration, connectedTo, Reporting and Analytics>
+<Data Migration, partOf, Data Migration>
+<Human Capital Management, connectedTo, Inventory Management>
+<Human Capital Management, connectedTo, On_Premise ERP Solutions>
+<Human Capital Management, inventories_manages, Vendor Management>
+<Integration with Other Systems, connectedTo, Human Capital Management>
+<Integration with Other Systems, connectedTo, Mobile ERP Access>
+<Integration with Other Systems, finances_manages, Inventory Management>
+<Mobile ERP Access, protects, Compliance Reporting>
+<On_Premise ERP Solutions, connectedTo, Inventory Management>
+<Reporting and Analytics, connectedTo, Integration with Other Systems>
+<Supply Chain Management, HR_manages, Reporting and Analytics>
+<Supply Chain Management, connectedTo, User Training>
+<Supply Chain Management, dashboards_generates, User Access Management>
+<System Configuration, partOf, System Configuration>
+<System Configuration, projects_manages, Data Migration>
+<User Access Management, connectedTo, Reporting and Analytics>
+<User Training, connectedTo, AI or ML in ERP>
+<User Training, connectedTo, User Access Management>
+<User Training, supports, Reporting and Analytics>
+<Vendor Management, connectedTo, Mobile ERP Access>
diff --git a/test/graphviz/graph_medium/graphviz_342.dot b/test/graphviz/graph_medium/graphviz_342.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a1b6d7a519f2fb79dd7d02162daa623f3c87ede
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_342.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=RL
+	N0 [label=Customization color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Sales and Distribution" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N2 [label="Vendor Management" color="#9C27B0" fillcolor="#E1BEE7" shape=Mdiamond style=filled]
+	N3 [label="System Configuration" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N4 [label="ERP Consulting" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N5 [label="Supply Chain Management" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N6 [label="System Upgrade" color="#4DB6AC" fillcolor="#E0F2F1" shape=folder style=filled]
+	N7 [label="Performance Optimization" color="#FF9800" fillcolor="#FFE0B2" shape=octagon style=filled]
+	N8 [label="Master Data Management" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N9 [label="User Acceptance Testing" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	S0 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Inventory Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Integration with Other Systems" color="#4DB6AC" fillcolor="#E0F2F1" shape=plaintext style=filled]
+		nest0_1 [label="Hybrid ERP Models" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+		nest0_2 [label="Procurement Management" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=manages color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=consults color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=protects color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=supports color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N3 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N1 -> N9 [label=budgets color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_342.txt b/test/graphviz/graph_medium/graphviz_342.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e83f59a28c3c226d6c7b274917524850ccbe199
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_342.txt
@@ -0,0 +1,20 @@
+<Customization, manages, Sales and Distribution>
+<ERP Consulting, connectedTo, Performance Optimization>
+<ERP Consulting, connectedTo, System Upgrade>
+<ERP Consulting, protects, Supply Chain Management>
+<Hybrid ERP Models, connectedTo, Procurement Management>
+<Hybrid ERP Models, partOf, Hybrid ERP Models>
+<Integration with Other Systems, connectedTo, Hybrid ERP Models>
+<Integration with Other Systems, partOf, Integration with Other Systems>
+<Master Data Management, connectedTo, User Acceptance Testing>
+<Performance Optimization, connectedTo, Customization>
+<Performance Optimization, supports, Master Data Management>
+<Procurement Management, connectedTo, System Configuration>
+<Procurement Management, partOf, Procurement Management>
+<Sales and Distribution, budgets, User Acceptance Testing>
+<Sales and Distribution, consults, Vendor Management>
+<Supply Chain Management, connectedTo, System Upgrade>
+<System Configuration, connectedTo, ERP Consulting>
+<System Upgrade, connectedTo, Integration with Other Systems>
+<System Upgrade, connectedTo, Performance Optimization>
+<Vendor Management, connectedTo, System Configuration>
diff --git a/test/graphviz/graph_medium/graphviz_343.dot b/test/graphviz/graph_medium/graphviz_343.dot
new file mode 100644
index 0000000000000000000000000000000000000000..88caf1fe1bb7215248ced1732b798e5051915c0b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_343.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=LR
+	N0 [label="Livestock Feeding Automation" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Big Data Analytics for Farms" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N2 [label="Predictive Analytics for Harvest" color="#CFCFCF" fillcolor="#F6F6F6" shape=octagon style=filled]
+	N3 [label="Crop Insurance Assessment" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N4 [label="Automated Farm Machinery" color="#FFEB3B" fillcolor="#FFF9C4" shape=oval style=filled]
+	N5 [label="Herd Health Monitoring" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N6 [label="Smart Greenhouses" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N7 [label="Drone Monitoring" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N8 [label="Geographic Information Systems for Farms" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N9 [label="Digital Agronomy" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	S0 [label="" color="#CFCFCF" fillcolor="#F6F6F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Pest and Disease Management Systems" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Data Security in Agriculture" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_1 [label="Market Price Forecasting" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+		nest0_2 [label="Farm Robotics" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+		nest0_3 [label="Farm Data Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_3 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=sprays color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=manages color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=risk_manages color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N5 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N6 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_343.txt b/test/graphviz/graph_medium/graphviz_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d9b521b262a4ab5297e0895c00f382b6f8d9ecd
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_343.txt
@@ -0,0 +1,22 @@
+<Automated Farm Machinery, manages, Herd Health Monitoring>
+<Big Data Analytics for Farms, connectedTo, Predictive Analytics for Harvest>
+<Crop Insurance Assessment, connectedTo, Automated Farm Machinery>
+<Data Security in Agriculture, connectedTo, Market Price Forecasting>
+<Data Security in Agriculture, partOf, Data Security in Agriculture>
+<Drone Monitoring, connectedTo, Data Security in Agriculture>
+<Drone Monitoring, connectedTo, Geographic Information Systems for Farms>
+<Farm Data Integration, connectedTo, Herd Health Monitoring>
+<Farm Data Integration, partOf, Farm Data Integration>
+<Farm Robotics, connectedTo, Farm Data Integration>
+<Farm Robotics, partOf, Farm Robotics>
+<Geographic Information Systems for Farms, connectedTo, Digital Agronomy>
+<Herd Health Monitoring, risk_manages, Smart Greenhouses>
+<Livestock Feeding Automation, sprays, Big Data Analytics for Farms>
+<Market Price Forecasting, connectedTo, Farm Data Integration>
+<Market Price Forecasting, connectedTo, Farm Robotics>
+<Market Price Forecasting, partOf, Market Price Forecasting>
+<Predictive Analytics for Harvest, connectedTo, Crop Insurance Assessment>
+<Predictive Analytics for Harvest, connectedTo, Smart Greenhouses>
+<Smart Greenhouses, connectedTo, Digital Agronomy>
+<Smart Greenhouses, connectedTo, Drone Monitoring>
+<Smart Greenhouses, connectedTo, Geographic Information Systems for Farms>
diff --git a/test/graphviz/graph_medium/graphviz_344.dot b/test/graphviz/graph_medium/graphviz_344.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c7c7d10594993f4346d933cf269d37824595560b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_344.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=RL
+	N0 [label="Yield Mapping" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Variable Rate Application" color="#94C0C0" fillcolor="#CADEDE" shape=folder style=filled]
+	N2 [label="Carbon Farming Initiatives" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N3 [label="Geographic Information Systems for Farms" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N4 [label="Resource Optimization" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N5 [label="Decision Support Systems for Farmers" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N6 [label="Forestry Management with Digital Tools" color="#94C0C0" fillcolor="#CADEDE" shape=plaintext style=filled]
+	N7 [label="Farm Management Software" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N8 [label="Weather Station Data Integration" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+	N9 [label="Smart Greenhouses" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	S0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Precision Farming" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Farm Robotics" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest0_1 [label="Automated Irrigation" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+		nest0_2 [label="Digital Soil Mapping" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+		nest0_3 [label="IoT in Agriculture" color="#94C0C0" fillcolor="#CADEDE" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [label=waters color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=yield_enhances color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=collects_data color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=guides color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=automates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=produces_safely color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=manages_irrigation color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label=sustainability_ensures color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [label=harvests color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_345.dot b/test/graphviz/graph_medium/graphviz_345.dot
new file mode 100644
index 0000000000000000000000000000000000000000..86928485992efdbd859ec7a7f8b9226599a5b119
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_345.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Automated Farm Machinery" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N1 [label="Smart Livestock Monitoring" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N2 [label="Decision Support Systems for Farmers" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N3 [label="Livestock Feeding Automation" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N4 [label="Digital Soil Mapping" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N5 [label="Geographic Information Systems for Farms" color="#FFC107" fillcolor="#FFECB3" shape=oval style=filled]
+	N6 [label="Vertical Farming Technology" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N7 [label="Weather Station Data Integration" color="#FFC107" fillcolor="#FFECB3" shape=folder style=filled]
+	N8 [label="Farm Data Integration" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N9 [label="Smart Greenhouses" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N10 [label="Market Price Forecasting" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N11 [label="Variable Rate Application" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	S0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Sensor Deployment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Farm Management Dashboards" color="#73C6BC" fillcolor="#D0EFEE" shape=plaintext style=filled]
+		nest0_1 [label="Forestry Management with Digital Tools" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+		nest0_2 [label="AI for Crop Disease Detection" color="#73C6BC" fillcolor="#D0EFEE" shape=folder style=filled]
+		nest0_3 [label="IoT in Agriculture" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=sensors_deploys color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=soil_tests color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=manages_irrigation color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=risk_manages color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [label=complies color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N11 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=manages color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label=analyzes_data color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_348.dot b/test/graphviz/graph_medium/graphviz_348.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dfbfdf5c4f998d65eb880fa849010613374e0ea0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_348.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=TD
+	N0 [label="Team Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N1 [label="Ticketing Sales" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N2 [label="Fan Community Building" color="#FF8A65" fillcolor="#FBE9E7" shape=oval style=filled]
+	N3 [label="Game Server Management" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N4 [label="Venue Setup" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N5 [label="Performance Analysis" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="Gaming Hardware Optimization" color="#4DD0E1" fillcolor="#C9F0F0" shape=Mdiamond style=filled]
+	N7 [label="Mental Health Support for Players" color="#FF8A65" fillcolor="#FBE9E7" shape=plaintext style=filled]
+	N8 [label="Audience Engagement" color="#FF8A65" fillcolor="#FBE9E7" shape=octagon style=filled]
+	N9 [label="Legal Advisory for Esports" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Social Media Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Player Scouting" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_1 [label="Rules and Regulations Enforcement" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=recruits color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=streams color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=tournaments_hosts color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=advertises color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_348.txt b/test/graphviz/graph_medium/graphviz_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c8ba2b4750db542734d13cb7886ed80af09710c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_348.txt
@@ -0,0 +1,19 @@
+<Audience Engagement, connectedTo, Legal Advisory for Esports>
+<Fan Community Building, connectedTo, Mental Health Support for Players>
+<Fan Community Building, connectedTo, Performance Analysis>
+<Fan Community Building, connectedTo, Venue Setup>
+<Fan Community Building, streams, Game Server Management>
+<Game Server Management, connectedTo, Player Scouting>
+<Game Server Management, tournaments_hosts, Venue Setup>
+<Gaming Hardware Optimization, connectedTo, Mental Health Support for Players>
+<Mental Health Support for Players, advertises, Audience Engagement>
+<Performance Analysis, connectedTo, Gaming Hardware Optimization>
+<Player Scouting, connectedTo, Rules and Regulations Enforcement>
+<Player Scouting, partOf, Player Scouting>
+<Rules and Regulations Enforcement, connectedTo, Legal Advisory for Esports>
+<Rules and Regulations Enforcement, partOf, Rules and Regulations Enforcement>
+<Team Management, connectedTo, Game Server Management>
+<Team Management, recruits, Ticketing Sales>
+<Ticketing Sales, connectedTo, Fan Community Building>
+<Ticketing Sales, connectedTo, Game Server Management>
+<Venue Setup, connectedTo, Performance Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_349.dot b/test/graphviz/graph_medium/graphviz_349.dot
new file mode 100644
index 0000000000000000000000000000000000000000..19c1386552e04f52c33b237aa246c4305db9f180
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_349.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=BT
+	N0 [label="Spike Train Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label=Electrophysiology color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N2 [label="Synaptic Plasticity Study" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N3 [label="Brain Mapping" color="#5C6BC0" fillcolor="#E8EAF6" shape=Mdiamond style=filled]
+	N4 [label="Genetic Basis of Brain Disorders" color="#5C6BC0" fillcolor="#E8EAF6" shape=Mdiamond style=filled]
+	N5 [label="Neural Data Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=folder style=filled]
+	N6 [label="Transcranial Magnetic Stimulation" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N7 [label="Memory Formation Research" color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+	N8 [label="Neural Network Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N9 [label="Molecular Neuroscience" color="#A1D7CD" fillcolor="#EDF5F3" shape=folder style=filled]
+	N10 [label="Learning Mechanisms Study" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N11 [label="Aging Brain Research" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label=Neuroprosthetics labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Optogenetics color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+		nest0_1 [label="Developmental Neuroscience" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+		nest0_2 [label="Motor Control Research" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=complies color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=privacy_protects color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [label=simulates color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [label=observes color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=therapies_develops color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_349.txt b/test/graphviz/graph_medium/graphviz_349.txt
new file mode 100644
index 0000000000000000000000000000000000000000..541e21e7a5b79ba0d5572e84bd66620d50a2cc6c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_349.txt
@@ -0,0 +1,24 @@
+<Brain Mapping, connectedTo, Genetic Basis of Brain Disorders>
+<Developmental Neuroscience, connectedTo, Motor Control Research>
+<Developmental Neuroscience, partOf, Developmental Neuroscience>
+<Electrophysiology, connectedTo, Memory Formation Research>
+<Electrophysiology, connectedTo, Synaptic Plasticity Study>
+<Genetic Basis of Brain Disorders, complies, Neural Data Analysis>
+<Genetic Basis of Brain Disorders, connectedTo, Memory Formation Research>
+<Learning Mechanisms Study, connectedTo, Aging Brain Research>
+<Memory Formation Research, privacy_protects, Neural Network Analysis>
+<Molecular Neuroscience, connectedTo, Learning Mechanisms Study>
+<Motor Control Research, partOf, Motor Control Research>
+<Motor Control Research, simulates, Genetic Basis of Brain Disorders>
+<Neural Data Analysis, connectedTo, Transcranial Magnetic Stimulation>
+<Neural Network Analysis, connectedTo, Molecular Neuroscience>
+<Optogenetics, connectedTo, Developmental Neuroscience>
+<Optogenetics, partOf, Optogenetics>
+<Spike Train Analysis, connectedTo, Electrophysiology>
+<Spike Train Analysis, connectedTo, Neural Data Analysis>
+<Spike Train Analysis, observes, Aging Brain Research>
+<Spike Train Analysis, therapies_develops, Brain Mapping>
+<Synaptic Plasticity Study, connectedTo, Brain Mapping>
+<Synaptic Plasticity Study, connectedTo, Neural Data Analysis>
+<Transcranial Magnetic Stimulation, connectedTo, Memory Formation Research>
+<Transcranial Magnetic Stimulation, connectedTo, Optogenetics>
diff --git a/test/graphviz/graph_medium/graphviz_35.dot b/test/graphviz/graph_medium/graphviz_35.dot
new file mode 100644
index 0000000000000000000000000000000000000000..de57971c6ef3ef159ca9a6382428fa5d7695a4c9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_35.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=BT
+	N0 [label="Visa Application" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Travel Advisory Updates" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N2 [label="Cruise Ship Boarding" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N3 [label="Event Reservation" color="#82DAFF" fillcolor="#C8EDFF" shape=octagon style=filled]
+	N4 [label="Emergency Assistance" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N5 [label="Destination Selection" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N6 [label="Language Translation Service" color="#B0C5CD" fillcolor="#DFE7EB" shape=octagon style=filled]
+	N7 [label="Itinerary Planning" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N8 [label="Custom Tour Package Creation" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N9 [label="Flight Booking" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	S0 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Baggage Handling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Group Tour Coordination" color="#F06292" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
+		nest0_1 [label="Hotel Check_in" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=explores color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=sells color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=automates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=sustains color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [label=assists color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label=discovers color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	M1 -> N8 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_350.txt b/test/graphviz/graph_medium/graphviz_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..726424d344c6923b9dd6c2da2fbea8f91de3d907
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_350.txt
@@ -0,0 +1,24 @@
+<Artificial Neural Networks Modeling, connectedTo, Brain Imaging>
+<Brain_Computer Interface, connectedTo, Connectomics>
+<Brain_Computer Interface, partOf, Brain_Computer Interface>
+<Computational Neuroscience, connectedTo, Connectomics>
+<Connectomics, connectedTo, Electrophysiology>
+<Connectomics, connectedTo, Neuroinformatics>
+<Electrophysiology, connectedTo, Sensory Perception Research>
+<Electrophysiology, partOf, Electrophysiology>
+<Genetic Basis of Brain Disorders, drugs_tests, Artificial Neural Networks Modeling>
+<Memory Formation Research, neurons_investigates, Neurological Disorder Diagnosis>
+<Neural Data Analysis, connectedTo, Memory Formation Research>
+<Neural Network Analysis, connectedTo, Computational Neuroscience>
+<Neuroethics, connectedTo, Spike Train Analysis>
+<Neuroinformatics, connectedTo, Memory Formation Research>
+<Neuroinformatics, connectedTo, Neuroethics>
+<Neuroinformatics, connectedTo, Neurological Disorder Diagnosis>
+<Neuroinformatics, connectedTo, Spike Train Analysis>
+<Neurological Disorder Diagnosis, stimulates, Genetic Basis of Brain Disorders>
+<Sensory Perception Research, connectedTo, Stem Cell Research>
+<Sensory Perception Research, partOf, Sensory Perception Research>
+<Spike Train Analysis, presents, Neural Data Analysis>
+<Stem Cell Research, connectedTo, Brain_Computer Interface>
+<Stem Cell Research, partOf, Stem Cell Research>
+<Stem Cell Research, trains, Neural Network Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_351.dot b/test/graphviz/graph_medium/graphviz_351.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dc58e8ddfbaf679a2a5c0b9a975de2854f003adf
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_351.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=LR
+	N0 [label="Cellular Neuroscience" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N1 [label="Systems Neuroscience" color="#5C6BC0" fillcolor="#E8EAF6" shape=oval style=filled]
+	N2 [label="Developmental Neuroscience" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N3 [label="Genetic Basis of Brain Disorders" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N4 [label=Connectomics color="#BDAFA8" fillcolor="#E4E0DF" shape=oval style=filled]
+	N5 [label="Brain_Computer Interface" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Neurodegenerative Disease Research" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N7 [label="Gene Therapy for Neurological Disorders" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N8 [label="Addiction Neuroscience" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	S0 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label=Neuroethics labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Molecular Neuroscience" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest0_1 [label="Synaptic Plasticity Study" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+		nest0_2 [label="Transcranial Magnetic Stimulation" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+		nest0_3 [label="Stem Cell Research" color="#A188D0" fillcolor="#DACBE3" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=rehabilitates color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=simulates color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=interprets_data color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N1 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=diseases_diagnoses color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [label=complies color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_351.txt b/test/graphviz/graph_medium/graphviz_351.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3c137735cd1b8f0287f8d9e907f9299cf56d4dc2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_351.txt
@@ -0,0 +1,22 @@
+<Brain_Computer Interface, complies, Molecular Neuroscience>
+<Brain_Computer Interface, connectedTo, Neurodegenerative Disease Research>
+<Cellular Neuroscience, connectedTo, Connectomics>
+<Cellular Neuroscience, rehabilitates, Systems Neuroscience>
+<Connectomics, simulates, Brain_Computer Interface>
+<Developmental Neuroscience, connectedTo, Genetic Basis of Brain Disorders>
+<Developmental Neuroscience, diseases_diagnoses, Connectomics>
+<Gene Therapy for Neurological Disorders, connectedTo, Addiction Neuroscience>
+<Genetic Basis of Brain Disorders, connectedTo, Addiction Neuroscience>
+<Genetic Basis of Brain Disorders, connectedTo, Connectomics>
+<Genetic Basis of Brain Disorders, connectedTo, Neurodegenerative Disease Research>
+<Molecular Neuroscience, connectedTo, Synaptic Plasticity Study>
+<Molecular Neuroscience, partOf, Molecular Neuroscience>
+<Neurodegenerative Disease Research, interprets_data, Gene Therapy for Neurological Disorders>
+<Stem Cell Research, connectedTo, Systems Neuroscience>
+<Stem Cell Research, partOf, Stem Cell Research>
+<Synaptic Plasticity Study, connectedTo, Transcranial Magnetic Stimulation>
+<Synaptic Plasticity Study, partOf, Synaptic Plasticity Study>
+<Systems Neuroscience, connectedTo, Developmental Neuroscience>
+<Systems Neuroscience, connectedTo, Molecular Neuroscience>
+<Transcranial Magnetic Stimulation, connectedTo, Stem Cell Research>
+<Transcranial Magnetic Stimulation, partOf, Transcranial Magnetic Stimulation>
diff --git a/test/graphviz/graph_medium/graphviz_352.dot b/test/graphviz/graph_medium/graphviz_352.dot
new file mode 100644
index 0000000000000000000000000000000000000000..aed4f01aea810c7931002da28a77e9bc007c1865
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_352.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Heritage Impact Assessment" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Material Analysis" color="#FFA726" fillcolor="#FFF3E0" shape=folder style=filled]
+	N2 [label="Restoration Techniques" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N3 [label="3D Scanning of Artifacts" color="#A188D0" fillcolor="#DACBE3" shape=plaintext style=filled]
+	N4 [label="Illicit Trafficking Control" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N5 [label="Dating Techniques" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N6 [label="Risk Assessment for Heritage" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N7 [label="Photogrammetry for Documentation" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N8 [label="Legal Protection for Heritage" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N9 [label="Indigenous Cultural Heritage Rights" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N10 [label="Public Education Programs" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N11 [label="Intangible Cultural Heritage Preservation" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N12 [label="Site Preservation" color="#CD8FF2" fillcolor="#ECCFF5" shape=oval style=filled]
+	N13 [label="Traditional Knowledge Documentation" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	S0 [label="" color="#FFA726" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Adaptive Reuse of Heritage Buildings" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Looting Prevention" color="#FFA726" fillcolor="#FFF3E0" shape=octagon style=filled]
+		nest0_1 [label="Cultural Tourism Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=engages color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=curates color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=interprets color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N11 -> nest0_0 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [label=sites_surveys color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [label=conserves color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S1 [color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [label=displays color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label=promotes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_352.txt b/test/graphviz/graph_medium/graphviz_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..15b7363cf8583398f7bc250237b27fce491bc2ad
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_352.txt
@@ -0,0 +1,24 @@
+<3D Scanning of Artifacts, connectedTo, Illicit Trafficking Control>
+<Cultural Tourism Development, connectedTo, Photogrammetry for Documentation>
+<Cultural Tourism Development, partOf, Cultural Tourism Development>
+<Dating Techniques, connectedTo, Risk Assessment for Heritage>
+<Heritage Impact Assessment, connectedTo, 3D Scanning of Artifacts>
+<Heritage Impact Assessment, connectedTo, Material Analysis>
+<Heritage Impact Assessment, displays, Site Preservation>
+<Heritage Impact Assessment, promotes, Legal Protection for Heritage>
+<Illicit Trafficking Control, curates, Dating Techniques>
+<Indigenous Cultural Heritage Rights, connectedTo, Public Education Programs>
+<Indigenous Cultural Heritage Rights, conserves, Intangible Cultural Heritage Preservation>
+<Indigenous Cultural Heritage Rights, sites_surveys, Traditional Knowledge Documentation>
+<Intangible Cultural Heritage Preservation, connectedTo, Looting Prevention>
+<Intangible Cultural Heritage Preservation, connectedTo, Site Preservation>
+<Legal Protection for Heritage, interprets, Indigenous Cultural Heritage Rights>
+<Looting Prevention, connectedTo, Cultural Tourism Development>
+<Looting Prevention, partOf, Looting Prevention>
+<Material Analysis, connectedTo, 3D Scanning of Artifacts>
+<Material Analysis, engages, Restoration Techniques>
+<Photogrammetry for Documentation, connectedTo, Legal Protection for Heritage>
+<Public Education Programs, connectedTo, Intangible Cultural Heritage Preservation>
+<Restoration Techniques, connectedTo, 3D Scanning of Artifacts>
+<Risk Assessment for Heritage, connectedTo, Photogrammetry for Documentation>
+<Site Preservation, connectedTo, Traditional Knowledge Documentation>
diff --git a/test/graphviz/graph_medium/graphviz_353.txt b/test/graphviz/graph_medium/graphviz_353.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4ba4773a475016618223ce88e4cf541c65c4047
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_353.txt
@@ -0,0 +1,23 @@
+<3D Scanning of Artifacts, connectedTo, Photogrammetry for Documentation>
+<3D Scanning of Artifacts, partOf, 3D Scanning of Artifacts>
+<Adaptive Reuse of Heritage Buildings, connectedTo, Repatriation of Artifacts>
+<Adaptive Reuse of Heritage Buildings, engages, Digital Storytelling>
+<Conservation Science, connectedTo, Intangible Cultural Heritage Preservation>
+<Dating Techniques, connectedTo, Digital Storytelling>
+<Digital Documentation, connectedTo, Adaptive Reuse of Heritage Buildings>
+<Digital Storytelling, connectedTo, Material Analysis>
+<Digital Storytelling, reports, GIS Mapping for Heritage Sites>
+<GIS Mapping for Heritage Sites, connectedTo, Heritage Impact Assessment>
+<GIS Mapping for Heritage Sites, partOf, GIS Mapping for Heritage Sites>
+<Heritage Impact Assessment, connectedTo, 3D Scanning of Artifacts>
+<Heritage Impact Assessment, partOf, Heritage Impact Assessment>
+<Historical Research, connectedTo, Indigenous Cultural Heritage Rights>
+<Historical Research, data_collects, Digital Storytelling>
+<Indigenous Cultural Heritage Rights, connectedTo, Dating Techniques>
+<Intangible Cultural Heritage Preservation, connectedTo, Photogrammetry for Documentation>
+<Material Analysis, connectedTo, Conservation Science>
+<Photogrammetry for Documentation, connectedTo, Illicit Trafficking Control>
+<Repatriation of Artifacts, connectedTo, Indigenous Cultural Heritage Rights>
+<Repatriation of Artifacts, connectedTo, Intangible Cultural Heritage Preservation>
+<Repatriation of Artifacts, technologies_applies, Sustainable Heritage Management>
+<Sustainable Heritage Management, connectedTo, Historical Research>
diff --git a/test/graphviz/graph_medium/graphviz_354.dot b/test/graphviz/graph_medium/graphviz_354.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c8d95be4b5a6424e2b7e3b1e73e6dedd6c03ac9a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_354.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sustainable Heritage Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Climate Change Impact on Heritage" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N2 [label="Indigenous Cultural Heritage Rights" color="#BDAFA8" fillcolor="#E4E0DF" shape=octagon style=filled]
+	N3 [label="Heritage Site Management" color="#607D8B" fillcolor="#CFD8DC" shape=Mdiamond style=filled]
+	N4 [label="Public Education Programs" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N5 [label="Digital Documentation" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N6 [label="Material Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N7 [label="Exhibition Curation" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N8 [label="Cultural Tourism Development" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N9 [label="Underwater Cultural Heritage" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Museum Collection Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Risk Assessment for Heritage" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+		nest0_1 [label="Repatriation of Artifacts" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+		nest0_2 [label="Historical Research" color="#BDAFA8" fillcolor="#E4E0DF" shape=octagon style=filled]
+		nest0_3 [label="Digital Storytelling" color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label=reports color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=traditions_sustains color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=technologies_applies color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=interprets color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=engages color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [label=displays color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [label=data_collects color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_354.txt b/test/graphviz/graph_medium/graphviz_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34704b1690bd67f58da70d443ba64b7849f52ff0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_354.txt
@@ -0,0 +1,22 @@
+<Climate Change Impact on Heritage, connectedTo, Indigenous Cultural Heritage Rights>
+<Climate Change Impact on Heritage, connectedTo, Public Education Programs>
+<Cultural Tourism Development, engages, Underwater Cultural Heritage>
+<Digital Documentation, connectedTo, Material Analysis>
+<Digital Storytelling, connectedTo, Cultural Tourism Development>
+<Digital Storytelling, partOf, Digital Storytelling>
+<Exhibition Curation, connectedTo, Cultural Tourism Development>
+<Heritage Site Management, traditions_sustains, Public Education Programs>
+<Historical Research, partOf, Historical Research>
+<Historical Research, reports, Digital Storytelling>
+<Indigenous Cultural Heritage Rights, connectedTo, Heritage Site Management>
+<Material Analysis, connectedTo, Risk Assessment for Heritage>
+<Material Analysis, interprets, Exhibition Curation>
+<Public Education Programs, technologies_applies, Digital Documentation>
+<Repatriation of Artifacts, connectedTo, Historical Research>
+<Repatriation of Artifacts, partOf, Repatriation of Artifacts>
+<Risk Assessment for Heritage, connectedTo, Repatriation of Artifacts>
+<Risk Assessment for Heritage, partOf, Risk Assessment for Heritage>
+<Sustainable Heritage Management, connectedTo, Climate Change Impact on Heritage>
+<Sustainable Heritage Management, connectedTo, Public Education Programs>
+<Sustainable Heritage Management, data_collects, Heritage Site Management>
+<Sustainable Heritage Management, displays, Indigenous Cultural Heritage Rights>
diff --git a/test/graphviz/graph_medium/graphviz_356.txt b/test/graphviz/graph_medium/graphviz_356.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ca3c1a5d0fcdcd31ca0073f352bdd72c623ac85
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_356.txt
@@ -0,0 +1,26 @@
+<Automated Biology Workflows, connectedTo, Diagnostic Tool Development>
+<Biofuel Production, connectedTo, Metabolic Pathway Engineering>
+<Biosecurity Protocols, connectedTo, Gene Therapy Delivery Systems>
+<Biosecurity Protocols, partOf, Biosecurity Protocols>
+<Computational Design of Biological Systems, connectedTo, Directed Evolution>
+<Computational Design of Biological Systems, connectedTo, Vaccine Synthesis>
+<DNA Storage Technologies, connectedTo, Directed Evolution>
+<DNA Storage Technologies, connectedTo, Ethical Implications>
+<DNA Storage Technologies, connectedTo, Regulatory Frameworks>
+<DNA Synthesis, rewrites, Synthetic Organism Design>
+<Diagnostic Tool Development, connectedTo, Microbial Factories>
+<Diagnostic Tool Development, patents, DNA Storage Technologies>
+<Directed Evolution, programs, Biofuel Production>
+<Ethical Implications, safety_ensures, Synthetic Gene Networks>
+<Gene Therapy Delivery Systems, connectedTo, Microbial Factories>
+<Gene Therapy Delivery Systems, partOf, Gene Therapy Delivery Systems>
+<Genetic Circuit Design, connectedTo, DNA Storage Technologies>
+<Microbial Factories, connectedTo, Computational Design of Biological Systems>
+<Microbial Factories, licenses, Automated Biology Workflows>
+<Public Engagement, connectedTo, Genetic Circuit Design>
+<Regulatory Frameworks, connectedTo, Ethical Implications>
+<Synthetic Gene Networks, researches, Automated Biology Workflows>
+<Synthetic Organism Design, connectedTo, Public Engagement>
+<Vaccine Synthesis, connectedTo, Biosecurity Protocols>
+<Vaccine Synthesis, connectedTo, Microbial Factories>
+<Vaccine Synthesis, partOf, Vaccine Synthesis>
diff --git a/test/graphviz/graph_medium/graphviz_358.dot b/test/graphviz/graph_medium/graphviz_358.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6790638fc08527bc009ed7aa6073686f9422e454
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_358.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=BT
+	N0 [label="Competency_Based Learning Platforms" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Educational Apps Development" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N2 [label="AI in Education" color="#FF5722" fillcolor="#FFCCBC" shape=Mdiamond style=filled]
+	N3 [label="Interactive Content Creation" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N4 [label="Student Information Systems" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N5 [label="Blockchain for Educational Credentials" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+	N6 [label="E_Learning Platform Design" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N7 [label="Social_Emotional Learning Tools" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N8 [label="Professional Development for Educators" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N9 [label="Educational Data Mining" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N10 [label="Simulations for Learning" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N11 [label="Collaborative Learning Platforms" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	S0 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Gamified Learning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Parent Engagement Tools" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+		nest0_1 [label="Digital Textbooks" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+		nest0_2 [label="Accessibility in EdTech" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=researches color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=tools_provides color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=reports color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=platforms_builds color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=designs color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=teachers_trains color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_358.txt b/test/graphviz/graph_medium/graphviz_358.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f60bb793bfc41dce6a4faa6bcdcbf44d521433e3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_358.txt
@@ -0,0 +1,22 @@
+<AI in Education, connectedTo, Interactive Content Creation>
+<Accessibility in EdTech, connectedTo, Social_Emotional Learning Tools>
+<Accessibility in EdTech, partOf, Accessibility in EdTech>
+<Blockchain for Educational Credentials, connectedTo, E_Learning Platform Design>
+<Competency_Based Learning Platforms, tools_provides, Educational Apps Development>
+<Digital Textbooks, partOf, Digital Textbooks>
+<Digital Textbooks, researches, Accessibility in EdTech>
+<E_Learning Platform Design, reports, Social_Emotional Learning Tools>
+<Educational Apps Development, connectedTo, AI in Education>
+<Educational Data Mining, designs, Simulations for Learning>
+<Interactive Content Creation, connectedTo, Student Information Systems>
+<Parent Engagement Tools, connectedTo, Digital Textbooks>
+<Parent Engagement Tools, partOf, Parent Engagement Tools>
+<Professional Development for Educators, connectedTo, Collaborative Learning Platforms>
+<Professional Development for Educators, connectedTo, Simulations for Learning>
+<Professional Development for Educators, platforms_builds, Educational Data Mining>
+<Simulations for Learning, connectedTo, Collaborative Learning Platforms>
+<Social_Emotional Learning Tools, connectedTo, Collaborative Learning Platforms>
+<Social_Emotional Learning Tools, connectedTo, Educational Data Mining>
+<Social_Emotional Learning Tools, connectedTo, Professional Development for Educators>
+<Student Information Systems, connectedTo, Blockchain for Educational Credentials>
+<Student Information Systems, teachers_trains, Parent Engagement Tools>
diff --git a/test/graphviz/graph_medium/graphviz_36.dot b/test/graphviz/graph_medium/graphviz_36.dot
new file mode 100644
index 0000000000000000000000000000000000000000..52d15e8fd0610a360e6bcec3e4bea949119a9f1e
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_36.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Group Tour Coordination" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Sightseeing Scheduling" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Custom Tour Package Creation" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N3 [label="Travel Insurance" color="#FFA726" fillcolor="#FFF3E0" shape=oval style=filled]
+	N4 [label="Airport Transfer" color="#FFCC80" fillcolor="#FFF0CC" shape=octagon style=filled]
+	N5 [label="Adventure Sports Booking" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFA726" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Loyalty Program Enrollment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Currency Exchange" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+		nest0_1 [label="Lost and Found Service" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+		nest0_2 [label="Feedback Collection" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+		nest0_3 [label="Activity Booking" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=guides color="#81C784" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=exchanges color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=shares color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N1 [label=documents color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [label=informs color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_360.dot b/test/graphviz/graph_medium/graphviz_360.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6ae58540bc40f6214b026a603d761384458f43cc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_360.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=TD
+	N0 [label="Data Privacy in Education" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N1 [label="Parent Engagement Tools" color="#BDBDBD" fillcolor="#F5F5F5" shape=diamond style=filled]
+	N2 [label="Simulations for Learning" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N3 [label="Interactive Content Creation" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N4 [label="Competency_Based Learning Platforms" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N5 [label="Blockchain for Educational Credentials" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N6 [label="Personalized Learning Paths" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N7 [label="Remote Learning Solutions" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N8 [label="Virtual Reality in Education" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+	N9 [label="Badging and Certification Systems" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+	N10 [label="Adaptive Learning Systems" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	S0 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Augmented Reality in Education" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Student Performance Tracking" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+		nest0_1 [label="EdTech Hardware Solutions" color="#FFE69C" fillcolor="#FFF9D4" shape=oval style=filled]
+		nest0_2 [label="Massive Open Online Courses" color="#BDBDBD" fillcolor="#F5F5F5" shape=octagon style=filled]
+		nest0_3 [label="Virtual Labs" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=secures_data color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=complies color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=privacy_protects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=evaluates color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [label=adaptive_learning_enables color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [label=parents_engages color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=sells color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_37.dot b/test/graphviz/graph_medium/graphviz_37.dot
new file mode 100644
index 0000000000000000000000000000000000000000..69fe92750ae7afd1b48f5785e8f4bb49a524c9a0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_37.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=LR
+	N0 [label="HOA Management" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Contract Review" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N2 [label="Lease Renewal" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N3 [label="Brokerage License Renewal" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N4 [label="Closing Meeting" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+	N5 [label="Tax Assessment" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N6 [label="Building Permit Application" color="#DCE775" fillcolor="#F9FBE7" shape=folder style=filled]
+	N7 [label="Escrow Setup" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N8 [label="Property Appraisal" color="#FFF8A6" fillcolor="#FFFDE0" shape=Mdiamond style=filled]
+	N9 [label="Renovation Planning" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Rental Agreement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Property Valuation" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+		nest0_1 [label="Property Management" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_2 [label="Eviction Process" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+		nest0_0 -> nest0_1 [label=buys color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=verifies color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=reviews color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=evaluates color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [label=invests color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_38.dot b/test/graphviz/graph_medium/graphviz_38.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b5770913f8f5ac62396439d5e5422b053a677bb2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_38.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label="Offer Submission" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N1 [label="Contract Review" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N2 [label="Eviction Process" color="#CB9BE1" fillcolor="#F2E6F5" shape=Mdiamond style=filled]
+	N3 [label="Tax Assessment" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N4 [label="Maintenance Request" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N5 [label="Property Valuation" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N6 [label="Agent Assignment" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N7 [label="Virtual Tour Creation" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N8 [label="Property Insurance" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N9 [label="Commercial Lease Negotiation" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N10 [label="Open House Event" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	S1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Lease Renewal" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Mortgage Application Assistance" color="#CB9BE1" fillcolor="#F2E6F5" shape=oval style=filled]
+		nest0_1 [label="Loan Pre_Approval" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest0_2 [label="Property Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label=appraises color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=finances color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=closes color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=evaluates color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=complies color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N1 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [label=assigns color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label=surveys color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_39.dot b/test/graphviz/graph_medium/graphviz_39.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7913c473fde59332102a2f5752ddc0c290392263
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_39.dot
@@ -0,0 +1,55 @@
+digraph {
+	rankdir=LR
+	N0 [label="Agent Assignment" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N1 [label="Renovation Planning" color="#AF56A6" fillcolor="#DDCEDD" shape=plaintext style=filled]
+	N2 [label="Market Trend Analysis" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N3 [label="Property Insurance" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N4 [label="Zoning Compliance" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N5 [label="Rental Agreement" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N6 [label="Mortgage Application Assistance" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N7 [label="Property Appraisal" color="#FFC107" fillcolor="#FFECB3" shape=plaintext style=filled]
+	N8 [label="Price Negotiation" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N9 [label="Maintenance Request" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N10 [label="Lease Renewal" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N11 [label="HOA Management" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	S0 [label="" color="#FFC107" fillcolor="#FFECB3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4285F4" fillcolor="#D0E0F8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AF56A6" fillcolor="#DDCEDD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4285F4" fillcolor="#D0E0F8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Document Signing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Property Listing" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+		nest0_1 [label="Property Valuation" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+		nest0_2 [label="Investment Property Analysis" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest0_3 [label="Tenant Screening" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=secures color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=signs color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=sells color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=advertises color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N9 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M0 [label=renovates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=assigns color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_39.txt b/test/graphviz/graph_medium/graphviz_39.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d69949f5eaad3646c9837386280961779cbccfc1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_39.txt
@@ -0,0 +1,28 @@
+<Agent Assignment, assigns, Price Negotiation>
+<Agent Assignment, connectedTo, Renovation Planning>
+<Investment Property Analysis, connectedTo, Tenant Screening>
+<Investment Property Analysis, partOf, Investment Property Analysis>
+<Lease Renewal, advertises, HOA Management>
+<Maintenance Request, connectedTo, Lease Renewal>
+<Market Trend Analysis, signs, Property Insurance>
+<Mortgage Application Assistance, connectedTo, Property Appraisal>
+<Price Negotiation, renovates, Lease Renewal>
+<Price Negotiation, sells, Maintenance Request>
+<Property Appraisal, connectedTo, Lease Renewal>
+<Property Appraisal, connectedTo, Price Negotiation>
+<Property Appraisal, connectedTo, Property Listing>
+<Property Insurance, connectedTo, Zoning Compliance>
+<Property Listing, connectedTo, Property Valuation>
+<Property Listing, partOf, Property Listing>
+<Property Valuation, partOf, Property Valuation>
+<Property Valuation, secures, Investment Property Analysis>
+<Renovation Planning, connectedTo, Lease Renewal>
+<Renovation Planning, connectedTo, Market Trend Analysis>
+<Renovation Planning, connectedTo, Mortgage Application Assistance>
+<Rental Agreement, connectedTo, Lease Renewal>
+<Rental Agreement, connectedTo, Maintenance Request>
+<Rental Agreement, connectedTo, Mortgage Application Assistance>
+<Rental Agreement, connectedTo, Price Negotiation>
+<Tenant Screening, connectedTo, Maintenance Request>
+<Tenant Screening, partOf, Tenant Screening>
+<Zoning Compliance, connectedTo, Rental Agreement>
diff --git a/test/graphviz/graph_medium/graphviz_41.dot b/test/graphviz/graph_medium/graphviz_41.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3531568eb578eddcd40cf72d18cc66248211f923
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_41.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=TD
+	N0 [label="Fire Suppression" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N1 [label="Witness Interview" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N2 [label="Forensic Analysis" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N3 [label="Evacuation Planning" color="#8C9EFF" fillcolor="#D3D7EB" shape=oval style=filled]
+	N4 [label="Emergency Medical Service" color="#EAEFA5" fillcolor="#FDFCEB" shape=oval style=filled]
+	N5 [label="SWAT Team Activation" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N6 [label="Rescue Coordination" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N7 [label="Hostage Negotiation" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N8 [label="Suspect Identification" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N9 [label="Drug Interdiction" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N10 [label="Crowd Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	S0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Post_Incident Review" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cybersecurity Threat Response" color="#8C9EFF" fillcolor="#D3D7EB" shape=parallelogram style=filled]
+		nest0_1 [label="Surveillance Review" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_2 [label="Traffic Control" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+		nest0_3 [label="Border Security" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=trains color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=analyzes color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=certifies color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N8 [label=arrests color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [label=dispatches color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [label=enforces color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_41.txt b/test/graphviz/graph_medium/graphviz_41.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c13c57f6374f2b5937fdd81903741147a165e69a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_41.txt
@@ -0,0 +1,23 @@
+<Border Security, arrests, Suspect Identification>
+<Border Security, partOf, Border Security>
+<Cybersecurity Threat Response, connectedTo, Surveillance Review>
+<Cybersecurity Threat Response, partOf, Cybersecurity Threat Response>
+<Drug Interdiction, connectedTo, Crowd Management>
+<Emergency Medical Service, connectedTo, Cybersecurity Threat Response>
+<Emergency Medical Service, connectedTo, SWAT Team Activation>
+<Evacuation Planning, connectedTo, Emergency Medical Service>
+<Fire Suppression, connectedTo, Witness Interview>
+<Forensic Analysis, connectedTo, Emergency Medical Service>
+<Forensic Analysis, connectedTo, Evacuation Planning>
+<Forensic Analysis, dispatches, SWAT Team Activation>
+<Forensic Analysis, enforces, SWAT Team Activation>
+<Hostage Negotiation, certifies, Suspect Identification>
+<Rescue Coordination, connectedTo, Hostage Negotiation>
+<SWAT Team Activation, analyzes, Rescue Coordination>
+<Surveillance Review, connectedTo, Traffic Control>
+<Surveillance Review, partOf, Surveillance Review>
+<Suspect Identification, connectedTo, Drug Interdiction>
+<Traffic Control, connectedTo, Border Security>
+<Traffic Control, partOf, Traffic Control>
+<Witness Interview, connectedTo, SWAT Team Activation>
+<Witness Interview, trains, Forensic Analysis>
diff --git a/test/graphviz/graph_medium/graphviz_42.dot b/test/graphviz/graph_medium/graphviz_42.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ba8da964ed096fe80e81b05c2d1b9bd5a7e7773
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_42.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=RL
+	N0 [label="Hostage Negotiation" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="Crowd Management" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N2 [label="Disaster Relief Coordination" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N3 [label="SWAT Team Activation" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N4 [label="Fire Suppression" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N5 [label="Crime Scene Analysis" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N6 [label="Border Security" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N7 [label="Drug Interdiction" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	S0 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FF5722" fillcolor="#FFCCBC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Patrol Scheduling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="K9 Unit Deployment" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+		nest0_1 [label="Law Enforcement Database Check" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=protects color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=predicts color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=coordinates color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [label=licenses color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N5 [label="responds to" color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N2 [label=contains color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_42.txt b/test/graphviz/graph_medium/graphviz_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..40be2552977eb0661ddcee7e59cb0831924650bc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_42.txt
@@ -0,0 +1,20 @@
+<Border Security, coordinates, Drug Interdiction>
+<Border Security, licenses, K9 Unit Deployment>
+<Crime Scene Analysis, connectedTo, Border Security>
+<Crowd Management, connectedTo, Disaster Relief Coordination>
+<Crowd Management, connectedTo, Drug Interdiction>
+<Crowd Management, connectedTo, Fire Suppression>
+<Crowd Management, connectedTo, SWAT Team Activation>
+<Disaster Relief Coordination, connectedTo, Drug Interdiction>
+<Disaster Relief Coordination, predicts, SWAT Team Activation>
+<Fire Suppression, connectedTo, Crime Scene Analysis>
+<Fire Suppression, connectedTo, Drug Interdiction>
+<Hostage Negotiation, connectedTo, Crime Scene Analysis>
+<Hostage Negotiation, connectedTo, Crowd Management>
+<Hostage Negotiation, connectedTo, Drug Interdiction>
+<Hostage Negotiation, contains, Disaster Relief Coordination>
+<K9 Unit Deployment, partOf, K9 Unit Deployment>
+<K9 Unit Deployment, protects, Law Enforcement Database Check>
+<Law Enforcement Database Check, partOf, Law Enforcement Database Check>
+<Law Enforcement Database Check, responds to, Crime Scene Analysis>
+<SWAT Team Activation, connectedTo, Fire Suppression>
diff --git a/test/graphviz/graph_medium/graphviz_43.dot b/test/graphviz/graph_medium/graphviz_43.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5197a44fc3bd7f2c3edfc6902d9009e23f5f712f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_43.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=LR
+	N0 [label="Streaming Setup" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N1 [label="Budget Planning" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N2 [label="Script Writing" color="#E91E63" fillcolor="#F8BBD0" shape=Mdiamond style=filled]
+	N3 [label="Live Performance" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N4 [label="Animation Production" color="#FFF176" fillcolor="#FFFDE7" shape=oval style=filled]
+	N5 [label="Post_Production Audio Mixing" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N6 [label="Lighting Setup" color="#FFD54F" fillcolor="#FFF8E1" shape=octagon style=filled]
+	N7 [label="Scene Shooting" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N8 [label="Set Construction" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N9 [label="Costume Design" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	S0 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Sound Engineering" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Music Composition" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest0_1 [label="Fan Engagement Strategy" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+		nest0_2 [label="Trailer Production" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest0_3 [label="Film Distribution" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=publishes color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [label=sponsors color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label=distributes color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_43.txt b/test/graphviz/graph_medium/graphviz_43.txt
new file mode 100644
index 0000000000000000000000000000000000000000..043730f1e724a1d2005c0c4cbf1f8ff0a3ba9f75
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_43.txt
@@ -0,0 +1,26 @@
+<Animation Production, connectedTo, Lighting Setup>
+<Animation Production, connectedTo, Post_Production Audio Mixing>
+<Animation Production, connectedTo, Set Construction>
+<Budget Planning, connectedTo, Script Writing>
+<Budget Planning, distributes, Live Performance>
+<Fan Engagement Strategy, partOf, Fan Engagement Strategy>
+<Fan Engagement Strategy, publishes, Trailer Production>
+<Film Distribution, connectedTo, Scene Shooting>
+<Film Distribution, partOf, Film Distribution>
+<Lighting Setup, connectedTo, Scene Shooting>
+<Live Performance, connectedTo, Animation Production>
+<Live Performance, connectedTo, Costume Design>
+<Live Performance, connectedTo, Scene Shooting>
+<Music Composition, connectedTo, Fan Engagement Strategy>
+<Music Composition, partOf, Music Composition>
+<Post_Production Audio Mixing, connectedTo, Lighting Setup>
+<Post_Production Audio Mixing, sponsors, Music Composition>
+<Scene Shooting, connectedTo, Set Construction>
+<Script Writing, connectedTo, Lighting Setup>
+<Script Writing, connectedTo, Live Performance>
+<Set Construction, connectedTo, Costume Design>
+<Streaming Setup, connectedTo, Budget Planning>
+<Streaming Setup, connectedTo, Lighting Setup>
+<Streaming Setup, connectedTo, Live Performance>
+<Trailer Production, connectedTo, Film Distribution>
+<Trailer Production, partOf, Trailer Production>
diff --git a/test/graphviz/graph_medium/graphviz_44.txt b/test/graphviz/graph_medium/graphviz_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3aeb4f7b4eab1f08c7a1f447706ce03616d342ac
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_44.txt
@@ -0,0 +1,21 @@
+<Animation Production, connectedTo, Audience Feedback>
+<Audience Feedback, connectedTo, Location Scouting>
+<Audience Feedback, connectedTo, Press Junket>
+<Audience Feedback, connectedTo, Sound Engineering>
+<Concert Promotion, connectedTo, Animation Production>
+<Game Development, archives, Animation Production>
+<Game Development, connectedTo, Animation Production>
+<Game Development, connectedTo, Concert Promotion>
+<Game Development, connectedTo, Live Performance>
+<Game Development, connectedTo, Sound Engineering>
+<Live Performance, connectedTo, Animation Production>
+<Live Performance, connectedTo, Concert Promotion>
+<Location Scouting, connectedTo, Press Junket>
+<Location Scouting, connectedTo, Sponsorship Acquisition>
+<Press Junket, connectedTo, Sound Engineering>
+<Red Carpet Event, promotes, Game Development>
+<Red Carpet Event, regulates, Animation Production>
+<Set Construction, connectedTo, Game Development>
+<Set Construction, partOf, Set Construction>
+<Sponsorship Acquisition, partOf, Sponsorship Acquisition>
+<Sponsorship Acquisition, reviews, Set Construction>
diff --git a/test/graphviz/graph_medium/graphviz_46.dot b/test/graphviz/graph_medium/graphviz_46.dot
new file mode 100644
index 0000000000000000000000000000000000000000..891394b432b749db1c5bc3e951b0732e4cfe79c6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_46.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=LR
+	N0 [label="Environmental Research" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Conservation Easement" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N2 [label="Sustainability Review" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N3 [label="Coastal Erosion Control" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N4 [label="Ecological Footprint Analysis" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+	N5 [label="Reforestation Planning" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N6 [label="Biodiversity Conservation" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N7 [label="Landfill Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=octagon style=filled]
+	N8 [label="Hazardous Material Handling" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N9 [label="Wildlife Survey" color="#A1887F" fillcolor="#EFEBE9" shape=folder style=filled]
+	N10 [label="Emission Reporting" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A1887F" fillcolor="#EFEBE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Citizen Science Initiative" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Air Quality Monitoring" color="#A1887F" fillcolor="#EFEBE9" shape=oval style=filled]
+		nest0_1 [label="Environmental Education Programs" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+		nest0_2 [label="Stormwater Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+		nest0_0 -> nest0_1 [label=reports color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=treats color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=innovates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=detects color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=protects color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [label=analyzes color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [label=disposes color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_46.txt b/test/graphviz/graph_medium/graphviz_46.txt
new file mode 100644
index 0000000000000000000000000000000000000000..321ee06f3c01768422bd0fc90e0cab0dd925cee7
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_46.txt
@@ -0,0 +1,23 @@
+<Air Quality Monitoring, partOf, Air Quality Monitoring>
+<Air Quality Monitoring, reports, Environmental Education Programs>
+<Biodiversity Conservation, protects, Landfill Management>
+<Coastal Erosion Control, connectedTo, Landfill Management>
+<Coastal Erosion Control, innovates, Ecological Footprint Analysis>
+<Conservation Easement, connectedTo, Coastal Erosion Control>
+<Conservation Easement, connectedTo, Sustainability Review>
+<Ecological Footprint Analysis, connectedTo, Reforestation Planning>
+<Environmental Education Programs, connectedTo, Stormwater Management>
+<Environmental Education Programs, partOf, Environmental Education Programs>
+<Environmental Research, connectedTo, Coastal Erosion Control>
+<Environmental Research, connectedTo, Landfill Management>
+<Environmental Research, treats, Conservation Easement>
+<Hazardous Material Handling, analyzes, Air Quality Monitoring>
+<Hazardous Material Handling, connectedTo, Wildlife Survey>
+<Landfill Management, connectedTo, Hazardous Material Handling>
+<Reforestation Planning, detects, Biodiversity Conservation>
+<Stormwater Management, disposes, Reforestation Planning>
+<Stormwater Management, partOf, Stormwater Management>
+<Sustainability Review, connectedTo, Coastal Erosion Control>
+<Sustainability Review, connectedTo, Landfill Management>
+<Sustainability Review, connectedTo, Wildlife Survey>
+<Wildlife Survey, connectedTo, Emission Reporting>
diff --git a/test/graphviz/graph_medium/graphviz_5.dot b/test/graphviz/graph_medium/graphviz_5.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04b5685537d7648e17edd114bbbb8148f86b1b3d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_5.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=BT
+	N0 [label="Medical History" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N1 [label="Device Implantation" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N2 [label=Vaccination color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N3 [label="Patient Education" color="#FFE69C" fillcolor="#FFF9D4" shape=folder style=filled]
+	N4 [label="Anesthesia Administration" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N5 [label="Patient Transfer" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N6 [label=Surgery color="#FFE69C" fillcolor="#FFF9D4" shape=folder style=filled]
+	N7 [label="Case Review" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Pain Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Pharmacy Order" color="#FFE69C" fillcolor="#FFF9D4" shape=oval style=filled]
+		nest0_1 [label="Medical Record Keeping" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest0_2 [label="Patient Intake" color="#FFE69C" fillcolor="#FFF9D4" shape=plaintext style=filled]
+		nest0_3 [label="Allergy Test" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=scans color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=discharges color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=interprets color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=admits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=implements color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [label=tests color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N2 [label=notifies color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_5.txt b/test/graphviz/graph_medium/graphviz_5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..177032e6271004a0e7152fd630fb26bdf0ac4697
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_5.txt
@@ -0,0 +1,21 @@
+<Allergy Test, connectedTo, Patient Education>
+<Allergy Test, partOf, Allergy Test>
+<Anesthesia Administration, admits, Patient Transfer>
+<Device Implantation, connectedTo, Anesthesia Administration>
+<Device Implantation, connectedTo, Vaccination>
+<Device Implantation, tests, Patient Education>
+<Medical History, connectedTo, Device Implantation>
+<Medical History, notifies, Vaccination>
+<Medical Record Keeping, connectedTo, Patient Intake>
+<Medical Record Keeping, partOf, Medical Record Keeping>
+<Patient Education, connectedTo, Patient Transfer>
+<Patient Education, connectedTo, Pharmacy Order>
+<Patient Education, connectedTo, Surgery>
+<Patient Education, interprets, Anesthesia Administration>
+<Patient Intake, connectedTo, Allergy Test>
+<Patient Intake, partOf, Patient Intake>
+<Patient Transfer, connectedTo, Surgery>
+<Pharmacy Order, partOf, Pharmacy Order>
+<Pharmacy Order, scans, Medical Record Keeping>
+<Surgery, implements, Case Review>
+<Vaccination, discharges, Patient Education>
diff --git a/test/graphviz/graph_medium/graphviz_50.dot b/test/graphviz/graph_medium/graphviz_50.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2b184a10c7a7cc18cf0638c1999c1652004f38d
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_50.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=BT
+	N0 [label="Legal Advisory" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N1 [label="Veterans Affairs" color="#FF9800" fillcolor="#FFE0B2" shape=octagon style=filled]
+	N2 [label="Vehicle Registration" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N3 [label="Infrastructure Planning" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Data Publishing" color="#A1D7CD" fillcolor="#EDF5F3" shape=octagon style=filled]
+	N5 [label="Education Policy" color="#FF9800" fillcolor="#FFE0B2" shape=Mdiamond style=filled]
+	N6 [label="Open Government Data Initiative" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N7 [label="Passport Issuance" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N8 [label="Budget Allocation" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Code Enforcement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="National Defense" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+		nest0_1 [label="Public Consultation" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_2 [label="Service Registration" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=manages color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=communicates color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=mediates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=allocates color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [label=partners color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=coordinates color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_50.txt b/test/graphviz/graph_medium/graphviz_50.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9fbe1c6707c0757f53c7b1ec8248c976022d2a20
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_50.txt
@@ -0,0 +1,20 @@
+<Data Publishing, connectedTo, Education Policy>
+<Education Policy, connectedTo, Open Government Data Initiative>
+<Education Policy, coordinates, Budget Allocation>
+<Education Policy, partners, Passport Issuance>
+<Infrastructure Planning, connectedTo, Data Publishing>
+<Infrastructure Planning, connectedTo, National Defense>
+<Legal Advisory, connectedTo, Data Publishing>
+<Legal Advisory, connectedTo, Veterans Affairs>
+<National Defense, connectedTo, Public Consultation>
+<National Defense, partOf, National Defense>
+<Open Government Data Initiative, mediates, Passport Issuance>
+<Passport Issuance, allocates, Budget Allocation>
+<Public Consultation, manages, Service Registration>
+<Public Consultation, partOf, Public Consultation>
+<Service Registration, connectedTo, Veterans Affairs>
+<Service Registration, partOf, Service Registration>
+<Vehicle Registration, communicates, Infrastructure Planning>
+<Vehicle Registration, connectedTo, Data Publishing>
+<Veterans Affairs, connectedTo, Data Publishing>
+<Veterans Affairs, connectedTo, Vehicle Registration>
diff --git a/test/graphviz/graph_medium/graphviz_51.dot b/test/graphviz/graph_medium/graphviz_51.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0b5a8f4d4b138f38f5268673538e550b9f9451b9
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_51.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=RL
+	N0 [label="Vehicle Registration" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Education Policy" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N2 [label="Veterans Affairs" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N3 [label="Public Records Request" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N4 [label="Emergency Preparedness" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N5 [label="ID Verification" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N6 [label="Infrastructure Planning" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	S0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="International Relations" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Public Works Maintenance" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_1 [label="Public Sector Procurement" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_2 [label="Policy Drafting" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest0_3 [label="Business Licensing" color="#BA68C8" fillcolor="#F3E5F5" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [label=publishes color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=subsidizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=grants color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=develops color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N1 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [label=mediates color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [label=allocates color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_51.txt b/test/graphviz/graph_medium/graphviz_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8b5945e4e9a9ba6e89c85ac9bea58a4ac22bffc4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_51.txt
@@ -0,0 +1,23 @@
+<Business Licensing, connectedTo, Education Policy>
+<Business Licensing, partOf, Business Licensing>
+<Education Policy, connectedTo, Emergency Preparedness>
+<Education Policy, connectedTo, Veterans Affairs>
+<Emergency Preparedness, grants, ID Verification>
+<ID Verification, develops, Infrastructure Planning>
+<Policy Drafting, connectedTo, Business Licensing>
+<Policy Drafting, partOf, Policy Drafting>
+<Public Records Request, connectedTo, Emergency Preparedness>
+<Public Records Request, connectedTo, ID Verification>
+<Public Records Request, connectedTo, Infrastructure Planning>
+<Public Records Request, connectedTo, Public Works Maintenance>
+<Public Sector Procurement, connectedTo, Policy Drafting>
+<Public Sector Procurement, partOf, Public Sector Procurement>
+<Public Works Maintenance, partOf, Public Works Maintenance>
+<Public Works Maintenance, publishes, Public Sector Procurement>
+<Vehicle Registration, connectedTo, Education Policy>
+<Vehicle Registration, connectedTo, Emergency Preparedness>
+<Veterans Affairs, allocates, Infrastructure Planning>
+<Veterans Affairs, connectedTo, Emergency Preparedness>
+<Veterans Affairs, connectedTo, ID Verification>
+<Veterans Affairs, mediates, Emergency Preparedness>
+<Veterans Affairs, subsidizes, Public Records Request>
diff --git a/test/graphviz/graph_medium/graphviz_52.dot b/test/graphviz/graph_medium/graphviz_52.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f56302f6052af950b2b5fbaa74c8a53a1f9a1e88
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_52.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=RL
+	N0 [label="Shelf Restocking" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Customer Engagement" color="#FFF8A6" fillcolor="#FFFDE0" shape=octagon style=filled]
+	N2 [label="Gift Wrapping" color="#C0CA33" fillcolor="#F9FBE7" shape=octagon style=filled]
+	N3 [label="Product Listing" color="#C0CA33" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+	N4 [label="Store Layout Design" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N5 [label="Point of Sale System Update" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N6 [label="Return Handling" color="#C0CA33" fillcolor="#F9FBE7" shape=plaintext style=filled]
+	N7 [label="Visual Merchandising" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N8 [label="E_commerce Platform Integration" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	S0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Inventory Check" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Barcode Scanning" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+		nest0_1 [label="Receipt Issuing" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_2 [label="Loyalty Program Update" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_3 [label="Customer Checkout" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=sells color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=promotes color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=discounts color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [label=reports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_53.dot b/test/graphviz/graph_medium/graphviz_53.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b96a13c232f37142bc6e76742f836128eae78d75
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_53.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=RL
+	N0 [label="Stock Replenishment" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N1 [label="Daily Report Generation" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N2 [label="Security Tagging" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+	N3 [label="Product Listing" color="#C2B2F0" fillcolor="#EFE6FF" shape=octagon style=filled]
+	N4 [label="Seasonal Sales Planning" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N5 [label="Order Fulfillment" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N6 [label="Return Handling" color="#3F51B5" fillcolor="#C5CAE9" shape=plaintext style=filled]
+	N7 [label="Complaint Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N8 [label="Supplier Payment" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N9 [label="Receipt Issuing" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N10 [label="Barcode Scanning" color="#3F51B5" fillcolor="#C5CAE9" shape=oval style=filled]
+	N11 [label="Price Tagging" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N12 [label="Fitting Room Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=octagon style=filled]
+	N13 [label="E_commerce Platform Integration" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N14 [label="Curbside Delivery" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	S0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Customer Checkout" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Customer Engagement" color="#C2B2F0" fillcolor="#EFE6FF" shape=Mdiamond style=filled]
+		nest0_1 [label="Product Demonstration" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=manages color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=complies color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=supports color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=stocks color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N5 [label=prices color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N11 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_54.dot b/test/graphviz/graph_medium/graphviz_54.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f5489f91ef7871a9d535d7d8f282f9b77dd96f00
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_54.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=TD
+	N0 [label="Gift Wrapping" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label="Vendor Managed Inventory" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N2 [label="Discount Application" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N3 [label="Sales Forecasting" color="#FF9800" fillcolor="#FFE0B2" shape=folder style=filled]
+	N4 [label="Customer Engagement" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N5 [label="Barcode Scanning" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N6 [label="Customer Checkout" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N7 [label="Return Handling" color="#FF9800" fillcolor="#FFE0B2" shape=oval style=filled]
+	N8 [label="Supply Chain Optimization" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N9 [label="Receipt Issuing" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	S0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Customer Loyalty Analytics" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Payment Processing" color="#FF9800" fillcolor="#FFE0B2" shape=octagon style=filled]
+		nest0_1 [label="E_commerce Platform Integration" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=assists color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=complies color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N4 [label=lists color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=processes color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_55.dot b/test/graphviz/graph_medium/graphviz_55.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cbf2b1bbf0ae349f0fd080a2cb09411f681321e5
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_55.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Research and Development" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="Robotics in Production" color="#FF9800" fillcolor="#FFE0B2" shape=Mdiamond style=filled]
+	N2 [label="Vehicle Financing" color="#FF9800" fillcolor="#FFE0B2" shape=octagon style=filled]
+	N3 [label="Assembly Line Setup" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N4 [label="Customer Relationship Management" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N5 [label="Fluid Level Check" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N6 [label="Brake System Check" color="#4CAF50" fillcolor="#C8E6C9" shape=oval style=filled]
+	N7 [label="Software Calibration" color="#80DDEA" fillcolor="#D3F7F9" shape=Mdiamond style=filled]
+	N8 [label="Road Testing" color="#80DDEA" fillcolor="#D3F7F9" shape=folder style=filled]
+	N9 [label="Crash Simulation" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N10 [label="Vehicle Design" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N11 [label="Parts Distribution" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N12 [label="Component Testing" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N13 [label="Dealership Sales" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	S0 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Infotainment System Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Autonomous Driving Software Development" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+		nest0_1 [label="Spare Parts Order" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=insures color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=calibrates color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=maintains color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=designs color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [label=engineers color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N8 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=services color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_55.txt b/test/graphviz/graph_medium/graphviz_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f6c384b1063b4dd0ffb4adf9bfe299813194eaf2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_55.txt
@@ -0,0 +1,22 @@
+<Assembly Line Setup, connectedTo, Crash Simulation>
+<Assembly Line Setup, connectedTo, Customer Relationship Management>
+<Assembly Line Setup, connectedTo, Parts Distribution>
+<Autonomous Driving Software Development, connectedTo, Spare Parts Order>
+<Autonomous Driving Software Development, partOf, Autonomous Driving Software Development>
+<Brake System Check, designs, Software Calibration>
+<Component Testing, connectedTo, Dealership Sales>
+<Crash Simulation, connectedTo, Vehicle Design>
+<Customer Relationship Management, connectedTo, Fluid Level Check>
+<Fluid Level Check, engineers, Autonomous Driving Software Development>
+<Fluid Level Check, maintains, Brake System Check>
+<Parts Distribution, connectedTo, Component Testing>
+<Research and Development, connectedTo, Assembly Line Setup>
+<Research and Development, insures, Robotics in Production>
+<Road Testing, connectedTo, Crash Simulation>
+<Robotics in Production, calibrates, Vehicle Financing>
+<Robotics in Production, services, Assembly Line Setup>
+<Software Calibration, connectedTo, Road Testing>
+<Spare Parts Order, optimizes, Road Testing>
+<Spare Parts Order, partOf, Spare Parts Order>
+<Vehicle Design, connectedTo, Parts Distribution>
+<Vehicle Financing, connectedTo, Assembly Line Setup>
diff --git a/test/graphviz/graph_medium/graphviz_56.dot b/test/graphviz/graph_medium/graphviz_56.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cc848c3188878661d71b5eb88f6974d27620d8de
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_56.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=RL
+	N0 [label="Robotics in Production" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Inventory Tracking" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N2 [label="Vehicle Connectivity" color="#F06292" fillcolor="#FCE4EC" shape=octagon style=filled]
+	N3 [label="Brake System Check" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N4 [label="Fluid Level Check" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N5 [label="Software Calibration" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N6 [label="Diagnostic Trouble Code Reading" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N7 [label="Customer Relationship Management" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Emission Testing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Road Testing" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+		nest0_1 [label="Autonomous Driving Software Development" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+		nest0_2 [label="Maintenance Scheduling" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_3 [label="Research and Development" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=assembles color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=validates color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N5 [label=markets color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_57.txt b/test/graphviz/graph_medium/graphviz_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c56296c585e36f7a8f13c0ee74d888bb9342b59c
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_57.txt
@@ -0,0 +1,18 @@
+<Autonomous Driving Software Development, leases, Fluid Level Check>
+<Customer Relationship Management, connectedTo, Autonomous Driving Software Development>
+<Customer Test Drive, complies, Supplier Selection>
+<Customer Test Drive, connectedTo, Customer Relationship Management>
+<Customer Test Drive, connectedTo, Fluid Level Check>
+<Customer Test Drive, connectedTo, Fuel Efficiency Check>
+<Emission Testing, connectedTo, Inventory Tracking>
+<Fluid Level Check, connectedTo, Recycling of Vehicle Components>
+<Fuel Efficiency Check, connectedTo, Customer Relationship Management>
+<Global Supply Chain Management, connectedTo, Parts Distribution>
+<Global Supply Chain Management, partOf, Global Supply Chain Management>
+<Infotainment System Integration, automates, Customer Test Drive>
+<Infotainment System Integration, finances, Global Supply Chain Management>
+<Inventory Tracking, connectedTo, Fuel Efficiency Check>
+<Inventory Tracking, produces, Infotainment System Integration>
+<Parts Distribution, connectedTo, Fluid Level Check>
+<Parts Distribution, partOf, Parts Distribution>
+<Supplier Selection, engineers, Fuel Efficiency Check>
diff --git a/test/graphviz/graph_medium/graphviz_58.dot b/test/graphviz/graph_medium/graphviz_58.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2eedf8bcd715a26f38fbf82756a43f9020df3452
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_58.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=LR
+	N0 [label="System Reboot" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N1 [label="Ground Station Coordination" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N2 [label="Airframe Assembly" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N3 [label="Aviation Safety Audit" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N4 [label="Component Recovery" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N5 [label="Launch Execution" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N6 [label="Space Debris Tracking" color="#7E57C2" fillcolor="#D1C4E9" shape=folder style=filled]
+	N7 [label="Runway Inspection" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N8 [label="Astronaut Training" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N9 [label="Flight Crew Training" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Orbit Adjustment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Rocket Stage Separation" color="#90A4AE" fillcolor="#ECEFF1" shape=octagon style=filled]
+		nest0_1 [label="Aircraft Manufacturing" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=transmits color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=upgrades color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N8 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=researches color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=controls color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label=regulates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=navigates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_59.txt b/test/graphviz/graph_medium/graphviz_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ddc142eb307d43ef0ea78b8b91f98cd7de01acd4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_59.txt
@@ -0,0 +1,20 @@
+<Aircraft Maintenance Log, connectedTo, Flight Crew Training>
+<Aircraft Maintenance Log, partOf, Aircraft Maintenance Log>
+<Aircraft Manufacturing, connectedTo, Flight Simulation>
+<Aircraft Manufacturing, navigates, Component Recovery>
+<Airframe Assembly, certifies, Component Recovery>
+<Airframe Assembly, connectedTo, Mission Debriefing>
+<Component Recovery, connectedTo, Extravehicular Activity Planning>
+<Drone System Development, partOf, Drone System Development>
+<Drone System Development, reboots, Aircraft Maintenance Log>
+<Engine Overhaul, connectedTo, Drone System Development>
+<Engine Overhaul, partOf, Engine Overhaul>
+<Extravehicular Activity Planning, connectedTo, Flight Crew Training>
+<Flight Simulation, adjusts, Component Recovery>
+<Flight Simulation, connectedTo, Airframe Assembly>
+<Flight Simulation, connectedTo, Engine Overhaul>
+<Flight Simulation, connectedTo, Flight Crew Training>
+<Flight Simulation, reports, Extravehicular Activity Planning>
+<Mission Debriefing, connectedTo, Component Recovery>
+<Mission Debriefing, connectedTo, Flight Crew Training>
+<Mission Debriefing, prototypes, Extravehicular Activity Planning>
diff --git a/test/graphviz/graph_medium/graphviz_6.txt b/test/graphviz/graph_medium/graphviz_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e3c19fa003695a4c3754146aa3332324b988b44
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_6.txt
@@ -0,0 +1,28 @@
+<Allergy Test, connectedTo, Lab Test>
+<Anesthesia Administration, connectedTo, Allergy Test>
+<Biopsy, connectedTo, Clinical Trial>
+<Biopsy, partOf, Biopsy>
+<Blood Test, partOf, Blood Test>
+<Blood Test, surveys, Follow_up>
+<Clinical Trial, connectedTo, Lab Test>
+<Clinical Trial, partOf, Clinical Trial>
+<Dental Check_up, connectedTo, Discharge>
+<Dental Check_up, connectedTo, Mental Health Assessment>
+<Dental Check_up, documents, Vaccination>
+<Device Implantation, connectedTo, Dental Check_up>
+<Device Implantation, connectedTo, Vaccination>
+<Discharge, connectedTo, Mental Health Assessment>
+<Follow_up, connectedTo, Biopsy>
+<Follow_up, partOf, Follow_up>
+<Insurance Claim, connectedTo, Mental Health Assessment>
+<Insurance Claim, connectedTo, Surgery>
+<Insurance Claim, connectedTo, Vaccination>
+<Lab Test, administers, Medical Record Keeping>
+<Medication Dispensing, connectedTo, Insurance Claim>
+<Medication Dispensing, connectedTo, Mental Health Assessment>
+<Medication Dispensing, interprets, Vaccination>
+<Mental Health Assessment, connectedTo, Anesthesia Administration>
+<Surgery, connectedTo, Mental Health Assessment>
+<Surgery, counsels, Device Implantation>
+<Vaccination, connectedTo, Discharge>
+<Vaccination, rehabilitates, Blood Test>
diff --git a/test/graphviz/graph_medium/graphviz_60.dot b/test/graphviz/graph_medium/graphviz_60.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b0f583cf3830dc48966bf921c218f2e11fe66b22
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_60.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=TD
+	N0 [label="Satellite Configuration" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Telemetry Setup" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N2 [label="Hypersonic Flight Testing" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N3 [label="Satellite Data Processing" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N4 [label="Flight Simulation" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N5 [label="Launch Execution" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N6 [label="New Material Development" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N7 [label="Propulsion Testing" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N8 [label="System Reboot" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N9 [label="Countdown Sequence" color="#FBC02D" fillcolor="#FFFDE7" shape=folder style=filled]
+	N10 [label="Aviation Safety Audit" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N11 [label="Extravehicular Activity Planning" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	S0 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4285F4" fillcolor="#D0E0F8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Rocket Stage Separation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Spacecraft Telemetry Analysis" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+		nest0_1 [label="Data Transmission" color="#4285F4" fillcolor="#D0E0F8" shape=Mdiamond style=filled]
+		nest0_2 [label="Launch Window Calculation" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_3 [label="Thermal Shield Testing" color="#4285F4" fillcolor="#D0E0F8" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=licenses color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=researches color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label=coordinates color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N3 [label=builds color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [label=records color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=plans color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=recovers color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_62.dot b/test/graphviz/graph_medium/graphviz_62.dot
new file mode 100644
index 0000000000000000000000000000000000000000..83560fac24c02836675c72934c4691a506bda66f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_62.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=LR
+	N0 [label="Legal Review of Claims" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N1 [label="Healthcare Provider Network Management" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N2 [label="Compliance Reporting" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N3 [label="Customer Support" color="#FFB74D" fillcolor="#FFF3E0" shape=folder style=filled]
+	N4 [label="Data Security" color="#D3EB9F" fillcolor="#F8FDD3" shape=octagon style=filled]
+	N5 [label="Agent Training" color="#D3EB9F" fillcolor="#F8FDD3" shape=folder style=filled]
+	N6 [label="Cyber Insurance Policy" color="#03A9F4" fillcolor="#B3E5FC" shape=oval style=filled]
+	N7 [label="Digital Policy Management" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N8 [label="Coverage Review" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N9 [label="Reinsurance Negotiation" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	S0 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Actuarial Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Policy Cancellation" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+		nest0_1 [label="Benefit Payout" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=complies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=underwrites color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=claims color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=pays color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_62.txt b/test/graphviz/graph_medium/graphviz_62.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8857dcc8b9bc64c639fd95eda354150710255604
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_62.txt
@@ -0,0 +1,19 @@
+<Agent Training, connectedTo, Cyber Insurance Policy>
+<Benefit Payout, connectedTo, Data Security>
+<Benefit Payout, partOf, Benefit Payout>
+<Compliance Reporting, connectedTo, Customer Support>
+<Compliance Reporting, connectedTo, Cyber Insurance Policy>
+<Compliance Reporting, connectedTo, Reinsurance Negotiation>
+<Compliance Reporting, pays, Data Security>
+<Coverage Review, claims, Reinsurance Negotiation>
+<Customer Support, connectedTo, Data Security>
+<Cyber Insurance Policy, underwrites, Digital Policy Management>
+<Data Security, complies, Agent Training>
+<Data Security, connectedTo, Policy Cancellation>
+<Digital Policy Management, connectedTo, Coverage Review>
+<Healthcare Provider Network Management, connectedTo, Compliance Reporting>
+<Healthcare Provider Network Management, connectedTo, Data Security>
+<Legal Review of Claims, connectedTo, Data Security>
+<Legal Review of Claims, connectedTo, Healthcare Provider Network Management>
+<Policy Cancellation, connectedTo, Benefit Payout>
+<Policy Cancellation, partOf, Policy Cancellation>
diff --git a/test/graphviz/graph_medium/graphviz_63.dot b/test/graphviz/graph_medium/graphviz_63.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c42a7ec5b8f7ad0747e8d30efda14e2ed9309baa
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_63.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=TD
+	N0 [label="Data Security" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="Fraud Investigation" color="#A188DB" fillcolor="#DED7F0" shape=oval style=filled]
+	N2 [label="Customer Communication" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N3 [label="Property Damage Assessment" color="#A188DB" fillcolor="#DED7F0" shape=folder style=filled]
+	N4 [label="Life Insurance Underwriting" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N5 [label="Legal Review of Claims" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N6 [label="Third_Party Administrator Liaison" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N7 [label="Policy Application" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	S0 [label="" color="#A188DB" fillcolor="#DED7F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Premium Calculation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Payment Processing" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+		nest0_1 [label="Market Research" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_2 [label="Auto Accident Claims" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=forecasts color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=investigates color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=documents color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [label=advises color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [label=certifies color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N1 [label=analyzes color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_63.txt b/test/graphviz/graph_medium/graphviz_63.txt
new file mode 100644
index 0000000000000000000000000000000000000000..05b8a7263cb8663c085be1c0730d9537dc6c3426
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_63.txt
@@ -0,0 +1,18 @@
+<Auto Accident Claims, connectedTo, Third_Party Administrator Liaison>
+<Auto Accident Claims, partOf, Auto Accident Claims>
+<Customer Communication, analyzes, Fraud Investigation>
+<Customer Communication, certifies, Legal Review of Claims>
+<Customer Communication, connectedTo, Policy Application>
+<Customer Communication, connectedTo, Property Damage Assessment>
+<Data Security, connectedTo, Fraud Investigation>
+<Fraud Investigation, investigates, Customer Communication>
+<Legal Review of Claims, connectedTo, Market Research>
+<Legal Review of Claims, documents, Third_Party Administrator Liaison>
+<Life Insurance Underwriting, advises, Payment Processing>
+<Life Insurance Underwriting, connectedTo, Legal Review of Claims>
+<Market Research, forecasts, Auto Accident Claims>
+<Market Research, partOf, Market Research>
+<Payment Processing, connectedTo, Market Research>
+<Payment Processing, partOf, Payment Processing>
+<Property Damage Assessment, connectedTo, Life Insurance Underwriting>
+<Third_Party Administrator Liaison, connectedTo, Policy Application>
diff --git a/test/graphviz/graph_medium/graphviz_64.dot b/test/graphviz/graph_medium/graphviz_64.dot
new file mode 100644
index 0000000000000000000000000000000000000000..79f8723c3e94feae266baaf7313a9556ae64c7b3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_64.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=BT
+	N0 [label="Risk Management Framework" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="User Training" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N2 [label="Zero Trust Architecture" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+	N3 [label="DevSecOps Integration" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N4 [label="Phishing Simulation" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N5 [label="Dark Web Monitoring" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label="Endpoint Protection" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+	N7 [label="Cloud Security" color="#BCB88A" fillcolor="#F5F5DC" shape=octagon style=filled]
+	N8 [label="Data Encryption" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N9 [label="Firewall Configuration" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N10 [label="Security Information and Event Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Security Operations Center Monitoring" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Threat Detection" color="#E0E0E0" fillcolor="#EBEBEB" shape=Mdiamond style=filled]
+		nest0_1 [label="Insider Threat Detection" color="#BCB88A" fillcolor="#F5F5DC" shape=oval style=filled]
+		nest0_0 -> nest0_1 [label=integrates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=forensics color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=notifies color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=optimizes color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=isolates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label=secures color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> nest0_0 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_65.dot b/test/graphviz/graph_medium/graphviz_65.dot
new file mode 100644
index 0000000000000000000000000000000000000000..651dd0f9dc39142270d38599d3412254d754bcbe
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_65.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=BT
+	N0 [label="User Training" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N1 [label="Web Application Firewall Deployment" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N2 [label="Zero Trust Architecture" color="#7E57C2" fillcolor="#D1C4E9" shape=Mdiamond style=filled]
+	N3 [label="Network Security" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N4 [label="Disaster Recovery Planning" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N5 [label="Malware Analysis" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N6 [label="Endpoint Protection" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N7 [label="Data Loss Prevention" color="#90A4AE" fillcolor="#ECEFF1" shape=Mdiamond style=filled]
+	N8 [label="Security Patch Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N9 [label="Security Information and Event Management" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N10 [label="Intrusion Prevention" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N11 [label="Threat Intelligence Gathering" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N12 [label="Penetration Testing" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Backup and Recovery" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Compliance Monitoring" color="#7E57C2" fillcolor="#D1C4E9" shape=octagon style=filled]
+		nest0_1 [label="Security Awareness Training" color="#7E57C2" fillcolor="#D1C4E9" shape=plaintext style=filled]
+		nest0_2 [label="Access Control" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=analyzes color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=notifies color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=alerts color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=incidents color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [label=vulnerabilities color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label=filters color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_65.txt b/test/graphviz/graph_medium/graphviz_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d2fb57247a0a71c7c41f7a48c52e473cbba0b5b3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_65.txt
@@ -0,0 +1,26 @@
+<Access Control, connectedTo, Security Information and Event Management>
+<Access Control, partOf, Access Control>
+<Compliance Monitoring, analyzes, Security Awareness Training>
+<Compliance Monitoring, partOf, Compliance Monitoring>
+<Data Loss Prevention, connectedTo, Intrusion Prevention>
+<Data Loss Prevention, connectedTo, Security Information and Event Management>
+<Data Loss Prevention, connectedTo, Security Patch Management>
+<Data Loss Prevention, vulnerabilities, Penetration Testing>
+<Disaster Recovery Planning, notifies, Malware Analysis>
+<Endpoint Protection, connectedTo, Data Loss Prevention>
+<Intrusion Prevention, connectedTo, Threat Intelligence Gathering>
+<Malware Analysis, connectedTo, Compliance Monitoring>
+<Malware Analysis, connectedTo, Endpoint Protection>
+<Network Security, connectedTo, Disaster Recovery Planning>
+<Security Awareness Training, connectedTo, Access Control>
+<Security Awareness Training, partOf, Security Awareness Training>
+<Security Information and Event Management, alerts, Intrusion Prevention>
+<Security Patch Management, connectedTo, Intrusion Prevention>
+<Security Patch Management, connectedTo, Security Information and Event Management>
+<Security Patch Management, connectedTo, Threat Intelligence Gathering>
+<Threat Intelligence Gathering, incidents, Penetration Testing>
+<User Training, connectedTo, Malware Analysis>
+<User Training, connectedTo, Web Application Firewall Deployment>
+<Web Application Firewall Deployment, connectedTo, Zero Trust Architecture>
+<Web Application Firewall Deployment, filters, Malware Analysis>
+<Zero Trust Architecture, connectedTo, Network Security>
diff --git a/test/graphviz/graph_medium/graphviz_66.dot b/test/graphviz/graph_medium/graphviz_66.dot
new file mode 100644
index 0000000000000000000000000000000000000000..df0a4ecdb8cef6c5fa3bce6db679f2e38f8448a0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_66.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=RL
+	N0 [label="Web Application Firewall Deployment" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Incident Response" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+	N2 [label="Physical Security Integration" color="#795548" fillcolor="#D7CCC8" shape=folder style=filled]
+	N3 [label="Insider Threat Detection" color="#F44336" fillcolor="#FFCDD2" shape=octagon style=filled]
+	N4 [label="Identity Management" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N5 [label="Risk Management Framework" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
+	N6 [label="Penetration Testing" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N7 [label="Access Control" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N8 [label="Security Information and Event Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Supply Chain Security" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Firewall Configuration" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+		nest0_1 [label="User Training" color="#9C27B0" fillcolor="#E1BEE7" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=governs color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=automates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [label=notifies color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label=integrates color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=advises color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_66.txt b/test/graphviz/graph_medium/graphviz_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9862df8f5630bd4080e4a3cc77731afd72f43dc4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_66.txt
@@ -0,0 +1,19 @@
+<Access Control, connectedTo, Security Information and Event Management>
+<Firewall Configuration, connectedTo, User Training>
+<Firewall Configuration, partOf, Firewall Configuration>
+<Identity Management, automates, Risk Management Framework>
+<Identity Management, connectedTo, Security Information and Event Management>
+<Identity Management, integrates, Access Control>
+<Incident Response, connectedTo, Physical Security Integration>
+<Insider Threat Detection, connectedTo, Identity Management>
+<Insider Threat Detection, connectedTo, Risk Management Framework>
+<Penetration Testing, connectedTo, Access Control>
+<Physical Security Integration, connectedTo, Firewall Configuration>
+<Physical Security Integration, connectedTo, Identity Management>
+<Physical Security Integration, governs, Insider Threat Detection>
+<Risk Management Framework, connectedTo, Penetration Testing>
+<User Training, notifies, Incident Response>
+<User Training, partOf, User Training>
+<Web Application Firewall Deployment, advises, Identity Management>
+<Web Application Firewall Deployment, connectedTo, Incident Response>
+<Web Application Firewall Deployment, connectedTo, Risk Management Framework>
diff --git a/test/graphviz/graph_medium/graphviz_67.dot b/test/graphviz/graph_medium/graphviz_67.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2c16126147bf772969d1c77cac1bf5e5edf399d0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_67.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="Sound System Integration" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N1 [label="Scene Creation" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N2 [label="Power Outage Notification" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N3 [label="Home Security System Activation" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N4 [label="Firmware Update" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N5 [label="Smart Appliance Control" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N6 [label="Garage Door Control" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N7 [label="Door Lock Management" color="#FFE470" fillcolor="#FFFAE0" shape=plaintext style=filled]
+	N8 [label="Water Heater Control" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Routine Scheduling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Video Surveillance" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_1 [label="Window Sensor Monitoring" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+		nest0_2 [label="Pet Feeder Automation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_3 [label="Energy Monitoring" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=conserves color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=maintains color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=controls color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=locks color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=schedules color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_67.txt b/test/graphviz/graph_medium/graphviz_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c18fdc323b3ea8f491843eeee79758957226fd7b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_67.txt
@@ -0,0 +1,21 @@
+<Door Lock Management, connectedTo, Water Heater Control>
+<Energy Monitoring, connectedTo, Smart Appliance Control>
+<Energy Monitoring, partOf, Energy Monitoring>
+<Firmware Update, connectedTo, Smart Appliance Control>
+<Garage Door Control, connectedTo, Door Lock Management>
+<Home Security System Activation, locks, Firmware Update>
+<Pet Feeder Automation, connectedTo, Energy Monitoring>
+<Pet Feeder Automation, partOf, Pet Feeder Automation>
+<Power Outage Notification, connectedTo, Home Security System Activation>
+<Power Outage Notification, connectedTo, Video Surveillance>
+<Scene Creation, controls, Power Outage Notification>
+<Scene Creation, schedules, Garage Door Control>
+<Smart Appliance Control, connectedTo, Door Lock Management>
+<Smart Appliance Control, connectedTo, Garage Door Control>
+<Smart Appliance Control, connectedTo, Water Heater Control>
+<Sound System Integration, connectedTo, Garage Door Control>
+<Sound System Integration, maintains, Scene Creation>
+<Video Surveillance, connectedTo, Window Sensor Monitoring>
+<Video Surveillance, partOf, Video Surveillance>
+<Window Sensor Monitoring, conserves, Pet Feeder Automation>
+<Window Sensor Monitoring, partOf, Window Sensor Monitoring>
diff --git a/test/graphviz/graph_medium/graphviz_68.dot b/test/graphviz/graph_medium/graphviz_68.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f893165c90deb764c5157760153ef95842114beb
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_68.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=TD
+	N0 [label="Door Lock Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Centralized Hub Configuration" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N2 [label="Elderly Care Monitoring" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N3 [label="App Control" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N4 [label="Guest Access Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N5 [label="Voice Command" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N6 [label="Motion Detection" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N7 [label="Doorbell Camera Alert" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N8 [label="Power Outage Notification" color="#4DB6AC" fillcolor="#E0F2F1" shape=folder style=filled]
+	N9 [label="Lighting Automation" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N10 [label="Smart Plug Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N11 [label="Pet Feeder Automation" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N12 [label="Energy Consumption Optimization" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	S0 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Air Quality Monitoring" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Thermostat Adjustment" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+		nest0_1 [label="Emergency Service Connection" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=lights color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=conserves color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=streams color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=entertains color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [label=personalizes color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N6 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S1 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [label=notifies color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [label=schedules color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [label=measures color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=reports color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	M0 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_68.txt b/test/graphviz/graph_medium/graphviz_68.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7c349e7222d5100ff80450c73746aeae525cba4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_68.txt
@@ -0,0 +1,23 @@
+<App Control, connectedTo, Guest Access Management>
+<Centralized Hub Configuration, connectedTo, Elderly Care Monitoring>
+<Centralized Hub Configuration, reports, Energy Consumption Optimization>
+<Door Lock Management, connectedTo, Centralized Hub Configuration>
+<Doorbell Camera Alert, connectedTo, Power Outage Notification>
+<Doorbell Camera Alert, measures, Energy Consumption Optimization>
+<Elderly Care Monitoring, lights, App Control>
+<Emergency Service Connection, connectedTo, Motion Detection>
+<Emergency Service Connection, partOf, Emergency Service Connection>
+<Guest Access Management, connectedTo, Energy Consumption Optimization>
+<Guest Access Management, connectedTo, Power Outage Notification>
+<Guest Access Management, conserves, Voice Command>
+<Lighting Automation, connectedTo, Smart Plug Management>
+<Lighting Automation, personalizes, Thermostat Adjustment>
+<Motion Detection, streams, Doorbell Camera Alert>
+<Pet Feeder Automation, connectedTo, Energy Consumption Optimization>
+<Power Outage Notification, entertains, Lighting Automation>
+<Power Outage Notification, notifies, Smart Plug Management>
+<Power Outage Notification, schedules, Pet Feeder Automation>
+<Smart Plug Management, connectedTo, Pet Feeder Automation>
+<Thermostat Adjustment, connectedTo, Emergency Service Connection>
+<Thermostat Adjustment, partOf, Thermostat Adjustment>
+<Voice Command, connectedTo, Motion Detection>
diff --git a/test/graphviz/graph_medium/graphviz_69.dot b/test/graphviz/graph_medium/graphviz_69.dot
new file mode 100644
index 0000000000000000000000000000000000000000..405fc96ab999ffc73b2d99835a9c28eba3c716ef
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_69.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Firmware Update" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Door Lock Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N2 [label="Smart Plug Management" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N3 [label="Smoke Alarm Integration" color="#F44336" fillcolor="#FFCDD2" shape=folder style=filled]
+	N4 [label="Voice Command" color="#9FA9E1" fillcolor="#D6D9F0" shape=oval style=filled]
+	N5 [label="Scene Creation" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N6 [label="App Control" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N7 [label="Security Alert" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N8 [label="Lighting Automation" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N9 [label="Energy Monitoring" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N10 [label="Doorbell Camera Alert" color="#F44336" fillcolor="#FFCDD2" shape=plaintext style=filled]
+	N11 [label="Intercom System" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N12 [label="Child Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Emergency Service Connection" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Air Quality Monitoring" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest0_1 [label="Pet Feeder Automation" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+		nest0_2 [label="Power Outage Notification" color="#9FA9E1" fillcolor="#D6D9F0" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=conserves color="#F44336" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=adjusts color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=senses color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=interacts color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [label=notifies color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_69.txt b/test/graphviz/graph_medium/graphviz_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34948991fcb884756a4bc0f05a6f5b9087f8986b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_69.txt
@@ -0,0 +1,23 @@
+<Air Quality Monitoring, connectedTo, Pet Feeder Automation>
+<Air Quality Monitoring, partOf, Air Quality Monitoring>
+<App Control, connectedTo, Child Monitoring>
+<App Control, connectedTo, Doorbell Camera Alert>
+<App Control, interacts, Security Alert>
+<Door Lock Management, connectedTo, Smart Plug Management>
+<Doorbell Camera Alert, connectedTo, Intercom System>
+<Energy Monitoring, connectedTo, Air Quality Monitoring>
+<Energy Monitoring, connectedTo, Doorbell Camera Alert>
+<Firmware Update, connectedTo, Door Lock Management>
+<Intercom System, connectedTo, Child Monitoring>
+<Lighting Automation, connectedTo, Energy Monitoring>
+<Pet Feeder Automation, conserves, Power Outage Notification>
+<Pet Feeder Automation, partOf, Pet Feeder Automation>
+<Power Outage Notification, notifies, App Control>
+<Power Outage Notification, partOf, Power Outage Notification>
+<Scene Creation, connectedTo, Intercom System>
+<Scene Creation, senses, App Control>
+<Security Alert, connectedTo, Intercom System>
+<Security Alert, connectedTo, Lighting Automation>
+<Smart Plug Management, connectedTo, Smoke Alarm Integration>
+<Smoke Alarm Integration, connectedTo, Voice Command>
+<Voice Command, adjusts, Scene Creation>
diff --git a/test/graphviz/graph_medium/graphviz_7.txt b/test/graphviz/graph_medium/graphviz_7.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c57419bbd191ac1df4b84c5c5e1e4c4ee099edf6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_7.txt
@@ -0,0 +1,19 @@
+<Automated Assembly, partOf, Automated Assembly>
+<Automated Assembly, processes, Batch Tracking>
+<Batch Tracking, partOf, Batch Tracking>
+<Batch Tracking, prototypes, Yield Optimization>
+<Machine Calibration, connectedTo, Safety Audit>
+<Machine Calibration, connectedTo, Serialization>
+<Machine Calibration, connectedTo, Yield Optimization>
+<Machine Calibration, welds, Supply Chain Synchronization>
+<Recycling Process, connectedTo, Yield Optimization>
+<Recycling Process, dispatches, Storage>
+<Safety Audit, connectedTo, Workflow Optimization>
+<Serialization, connectedTo, Tool Setup>
+<Serialization, partOf, Serialization>
+<Storage, connectedTo, Machine Calibration>
+<Supply Chain Synchronization, connectedTo, Recycling Process>
+<Tool Setup, connectedTo, Automated Assembly>
+<Tool Setup, partOf, Tool Setup>
+<Work_in_Progress Monitoring, connectedTo, Supply Chain Synchronization>
+<Workflow Optimization, connectedTo, Work_in_Progress Monitoring>
diff --git a/test/graphviz/graph_medium/graphviz_70.dot b/test/graphviz/graph_medium/graphviz_70.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a42c6f7e042bd0fb74163943220e938ebd33c263
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_70.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=BT
+	N0 [label="Renewable Energy Integration" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Waste Recycling Program" color="#73C6BC" fillcolor="#D0EFEE" shape=Mdiamond style=filled]
+	N2 [label="Waste Management Optimization" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N3 [label="Intelligent Public Safety Cameras" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N4 [label="E_governance Services" color="#4CAF50" fillcolor="#C8E6C9" shape=Mdiamond style=filled]
+	N5 [label="Public Health Monitoring" color="#4CAF50" fillcolor="#C8E6C9" shape=Mdiamond style=filled]
+	N6 [label="Citizen Feedback Loop" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N7 [label="Emergency Response System" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N8 [label="Smart Traffic Lights" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N9 [label="Energy Grid Management" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	M0 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Urban Agriculture Support" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Infrastructure Maintenance Alert" color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+		nest0_1 [label="Noise Pollution Monitoring" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_2 [label="Digital Kiosk Information" color="#73C6BC" fillcolor="#D0EFEE" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [label=resources color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=deploys color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=connects color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N9 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=governs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=analyzes color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [label=designs color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_70.txt b/test/graphviz/graph_medium/graphviz_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c9cff03b78983f3051f94112c76d4e4e07ad349f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_70.txt
@@ -0,0 +1,21 @@
+<Citizen Feedback Loop, connectedTo, Emergency Response System>
+<Citizen Feedback Loop, connectedTo, Energy Grid Management>
+<Digital Kiosk Information, connectedTo, Energy Grid Management>
+<Digital Kiosk Information, partOf, Digital Kiosk Information>
+<E_governance Services, connectedTo, Public Health Monitoring>
+<E_governance Services, connects, Infrastructure Maintenance Alert>
+<Emergency Response System, connectedTo, Smart Traffic Lights>
+<Infrastructure Maintenance Alert, partOf, Infrastructure Maintenance Alert>
+<Infrastructure Maintenance Alert, resources, Noise Pollution Monitoring>
+<Intelligent Public Safety Cameras, connectedTo, E_governance Services>
+<Noise Pollution Monitoring, connectedTo, Digital Kiosk Information>
+<Noise Pollution Monitoring, partOf, Noise Pollution Monitoring>
+<Public Health Monitoring, deploys, Citizen Feedback Loop>
+<Public Health Monitoring, designs, Energy Grid Management>
+<Renewable Energy Integration, connectedTo, Waste Recycling Program>
+<Renewable Energy Integration, governs, Intelligent Public Safety Cameras>
+<Smart Traffic Lights, connectedTo, Energy Grid Management>
+<Waste Management Optimization, connectedTo, Energy Grid Management>
+<Waste Management Optimization, connectedTo, Intelligent Public Safety Cameras>
+<Waste Recycling Program, analyzes, Intelligent Public Safety Cameras>
+<Waste Recycling Program, connectedTo, Waste Management Optimization>
diff --git a/test/graphviz/graph_medium/graphviz_71.dot b/test/graphviz/graph_medium/graphviz_71.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fb066b3dfe5c241ca14dfba8f75335cc72d3073a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_71.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=BT
+	N0 [label="Urban Agriculture Support" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="Digital Twins of City" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N2 [label="Citizen Engagement Platform" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N3 [label="Infrastructure Maintenance Alert" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N4 [label="Intelligent Public Safety Cameras" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N5 [label="Air Quality Index Reporting" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N6 [label="Smart Street Furniture" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N7 [label="Digital Kiosk Information" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N8 [label="Urban Planning Data Analysis" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N9 [label="Disaster Resilience Planning" color="#7E57C2" fillcolor="#D1C4E9" shape=oval style=filled]
+	N10 [label="E_governance Services" color="#82DAFF" fillcolor="#C8EDFF" shape=folder style=filled]
+	N11 [label="Water Management System" color="#82DAFF" fillcolor="#C8EDFF" shape=plaintext style=filled]
+	N12 [label="Public Transport Tracking" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N13 [label="Renewable Energy Integration" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	S0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Waste Recycling Program" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="City_wide Sensor Network Deployment" color="#7E57C2" fillcolor="#D1C4E9" shape=octagon style=filled]
+		nest0_1 [label="Green Space Management" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+		nest0_2 [label="Environmental Sensor Network" color="#A2D0FF" fillcolor="#E8F0FF" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=collects color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=builds color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=parks color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=protects color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=innovates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [label=connects color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N11 -> nest0_0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_71.txt b/test/graphviz/graph_medium/graphviz_71.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9cd097ad22a846b41b2b1e3ffe4ac065b69b59ed
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_71.txt
@@ -0,0 +1,25 @@
+<Air Quality Index Reporting, connectedTo, Smart Street Furniture>
+<Citizen Engagement Platform, connectedTo, E_governance Services>
+<Citizen Engagement Platform, connectedTo, Infrastructure Maintenance Alert>
+<City_wide Sensor Network Deployment, optimizes, Green Space Management>
+<City_wide Sensor Network Deployment, partOf, City_wide Sensor Network Deployment>
+<Digital Kiosk Information, connectedTo, E_governance Services>
+<Digital Kiosk Information, connectedTo, Urban Planning Data Analysis>
+<Digital Kiosk Information, connectedTo, Water Management System>
+<Digital Twins of City, parks, Citizen Engagement Platform>
+<Disaster Resilience Planning, connectedTo, E_governance Services>
+<E_governance Services, connectedTo, Water Management System>
+<Environmental Sensor Network, connectedTo, Digital Kiosk Information>
+<Environmental Sensor Network, partOf, Environmental Sensor Network>
+<Green Space Management, collects, Environmental Sensor Network>
+<Green Space Management, partOf, Green Space Management>
+<Infrastructure Maintenance Alert, connectedTo, Intelligent Public Safety Cameras>
+<Intelligent Public Safety Cameras, connectedTo, Environmental Sensor Network>
+<Intelligent Public Safety Cameras, protects, Air Quality Index Reporting>
+<Public Transport Tracking, connectedTo, Renewable Energy Integration>
+<Smart Street Furniture, connectedTo, Digital Kiosk Information>
+<Urban Agriculture Support, builds, Digital Twins of City>
+<Urban Agriculture Support, connectedTo, E_governance Services>
+<Urban Planning Data Analysis, innovates, Disaster Resilience Planning>
+<Water Management System, connectedTo, City_wide Sensor Network Deployment>
+<Water Management System, connects, Public Transport Tracking>
diff --git a/test/graphviz/graph_medium/graphviz_72.txt b/test/graphviz/graph_medium/graphviz_72.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a55d0b129f3897f949e7ec72fbd75ff30d1d8864
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_72.txt
@@ -0,0 +1,23 @@
+<Citizen Engagement Platform, connectedTo, Noise Pollution Monitoring>
+<Citizen Engagement Platform, optimizes, Smart Parking>
+<Cybersecurity for Infrastructure, connectedTo, Citizen Engagement Platform>
+<Digital Kiosk Information, connectedTo, Smart Traffic Lights>
+<Digital Twins of City, connects, Noise Pollution Monitoring>
+<Digital Twins of City, partOf, Digital Twins of City>
+<E_governance Services, builds, Smart Parking>
+<Energy Grid Management, connectedTo, Traffic Flow Optimization>
+<Environmental Sensor Network, connectedTo, Digital Twins of City>
+<Environmental Sensor Network, partOf, Environmental Sensor Network>
+<Noise Pollution Monitoring, lights, Urban Mobility Solutions>
+<Public Transport Tracking, connectedTo, Cybersecurity for Infrastructure>
+<Public Transport Tracking, connectedTo, Smart Parking>
+<Smart Grid Security, connectedTo, E_governance Services>
+<Smart Grid Security, connectedTo, Environmental Sensor Network>
+<Smart Grid Security, connectedTo, Smart Parking>
+<Smart Parking, connectedTo, Energy Grid Management>
+<Smart Traffic Lights, manages, Smart Grid Security>
+<Smart Water Meters, connectedTo, Waste Recycling Program>
+<Traffic Flow Optimization, connectedTo, Smart Water Meters>
+<Urban Mobility Solutions, connectedTo, Digital Kiosk Information>
+<Urban Mobility Solutions, connectedTo, Energy Grid Management>
+<Urban Mobility Solutions, connectedTo, Waste Recycling Program>
diff --git a/test/graphviz/graph_medium/graphviz_73.dot b/test/graphviz/graph_medium/graphviz_73.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6a931a13afed58026f1117028fa98d390d923f57
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_73.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label="Nanobiotechnology Application" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N1 [label="Bioprocess Optimization" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N2 [label="Data Management and Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N3 [label="Tissue Engineering" color="#FFB2A5" fillcolor="#FFDCD6" shape=folder style=filled]
+	N4 [label="Clinical Trial Design" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N5 [label="Structural Biology" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N6 [label="Environmental Bioremediation" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N7 [label="Vaccine Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N8 [label="Synthetic Biology Design" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N9 [label="Biosensor Development" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	S0 [label="" color="#CDDC39" fillcolor="#E6EE9C" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Biomanufacturing Scale_up" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Preclinical Testing" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+		nest0_1 [label="Target Identification" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+		nest0_2 [label="Microbial Fermentation" color="#FFB2A5" fillcolor="#FFDCD6" shape=folder style=filled]
+		nest0_3 [label="Stem Cell Research" color="#CDDC39" fillcolor="#E6EE9C" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=clones color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=designs color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=engineers color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=commercializes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_73.txt b/test/graphviz/graph_medium/graphviz_73.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6295b188896e0d16e67e6840c99372b8b9a9ecdc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_73.txt
@@ -0,0 +1,22 @@
+<Bioprocess Optimization, connectedTo, Data Management and Analysis>
+<Clinical Trial Design, designs, Structural Biology>
+<Data Management and Analysis, clones, Tissue Engineering>
+<Data Management and Analysis, connectedTo, Clinical Trial Design>
+<Environmental Bioremediation, engineers, Vaccine Development>
+<Microbial Fermentation, connectedTo, Stem Cell Research>
+<Microbial Fermentation, partOf, Microbial Fermentation>
+<Nanobiotechnology Application, connectedTo, Bioprocess Optimization>
+<Nanobiotechnology Application, connectedTo, Clinical Trial Design>
+<Nanobiotechnology Application, connectedTo, Environmental Bioremediation>
+<Nanobiotechnology Application, connectedTo, Synthetic Biology Design>
+<Preclinical Testing, connectedTo, Target Identification>
+<Preclinical Testing, partOf, Preclinical Testing>
+<Stem Cell Research, connectedTo, Data Management and Analysis>
+<Stem Cell Research, partOf, Stem Cell Research>
+<Structural Biology, connectedTo, Environmental Bioremediation>
+<Synthetic Biology Design, connectedTo, Biosensor Development>
+<Target Identification, connectedTo, Microbial Fermentation>
+<Target Identification, partOf, Target Identification>
+<Tissue Engineering, connectedTo, Clinical Trial Design>
+<Vaccine Development, commercializes, Synthetic Biology Design>
+<Vaccine Development, connectedTo, Preclinical Testing>
diff --git a/test/graphviz/graph_medium/graphviz_74.dot b/test/graphviz/graph_medium/graphviz_74.dot
new file mode 100644
index 0000000000000000000000000000000000000000..071b7f42d3d15219a4b89ae0ab74fde29d84e605
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_74.dot
@@ -0,0 +1,33 @@
+digraph {
+	rankdir=RL
+	N0 [label=Pharmacogenomics color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Clinical Data Interpretation" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+	N2 [label="Quality Control" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N3 [label="Bioprocess Optimization" color="#7986CB" fillcolor="#E8EAF6" shape=octagon style=filled]
+	N4 [label="Environmental Bioremediation" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	S0 [label="" color="#7986CB" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Vaccine Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Genomic Editing" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_1 [label="Assay Development" color="#7986CB" fillcolor="#E8EAF6" shape=octagon style=filled]
+		nest0_2 [label="Gene Sequencing" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+		nest0_3 [label="Drug Repurposing" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label=regulates color="#7986CB" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=validates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=publishes color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label=manipulates color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_74.txt b/test/graphviz/graph_medium/graphviz_74.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3c10a70d1efff64b28c0861a094a15b6d2ee0f30
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_74.txt
@@ -0,0 +1,16 @@
+<Assay Development, connectedTo, Gene Sequencing>
+<Assay Development, partOf, Assay Development>
+<Bioprocess Optimization, connectedTo, Environmental Bioremediation>
+<Clinical Data Interpretation, connectedTo, Bioprocess Optimization>
+<Clinical Data Interpretation, connectedTo, Environmental Bioremediation>
+<Clinical Data Interpretation, connectedTo, Quality Control>
+<Clinical Data Interpretation, manipulates, Bioprocess Optimization>
+<Drug Repurposing, connectedTo, Quality Control>
+<Drug Repurposing, partOf, Drug Repurposing>
+<Gene Sequencing, partOf, Gene Sequencing>
+<Gene Sequencing, validates, Drug Repurposing>
+<Genomic Editing, partOf, Genomic Editing>
+<Genomic Editing, regulates, Assay Development>
+<Pharmacogenomics, connectedTo, Clinical Data Interpretation>
+<Quality Control, connectedTo, Genomic Editing>
+<Quality Control, publishes, Bioprocess Optimization>
diff --git a/test/graphviz/graph_medium/graphviz_75.dot b/test/graphviz/graph_medium/graphviz_75.dot
new file mode 100644
index 0000000000000000000000000000000000000000..65b2e6f65532eeebfd7dfb8070aa914631cdc480
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_75.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=RL
+	N0 [label="Bioprocess Optimization" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Vaccine Development" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N2 [label="Cell Culture" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N3 [label="Data Management and Analysis" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N4 [label=Pharmacogenomics color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N5 [label="Diagnostic Test Development" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N6 [label=Bioimaging color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+	N7 [label="Regulatory Submission" color="#9C27B0" fillcolor="#E1BEE7" shape=Mdiamond style=filled]
+	N8 [label="Clinical Trial Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N9 [label="CRISPR Technology Application" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N10 [label="Nanobiotechnology Application" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N11 [label="Biomarker Discovery" color="#8C9EFF" fillcolor="#D3D7EB" shape=oval style=filled]
+	N12 [label="Drug Repurposing" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Stem Cell Research" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Intellectual Property Protection" color="#9FA9E1" fillcolor="#D6D9F0" shape=Mdiamond style=filled]
+		nest0_1 [label="Synthetic Biology Design" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+		nest0_2 [label="Structural Biology" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=grows color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=funds color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=educates color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=delivers color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_0 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N12 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M1 [label=simulates color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	M1 -> N9 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_76.txt b/test/graphviz/graph_medium/graphviz_76.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f11984362a4c3764440ad5af2a664bb05d88f88
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_76.txt
@@ -0,0 +1,25 @@
+<Adverse Event Reporting, connectedTo, Global Regulatory Affairs>
+<Adverse Event Reporting, develops, Process Validation>
+<Adverse Event Reporting, researches, Sales and Marketing Strategy>
+<Audit Management, connectedTo, Adverse Event Reporting>
+<Cold Chain Logistics, connectedTo, Drug Research>
+<Drug Device Combination, connectedTo, Cold Chain Logistics>
+<Drug Repurposing, connectedTo, Medical Writing>
+<Drug Repurposing, partOf, Drug Repurposing>
+<Drug Research, connectedTo, Formulation Development>
+<Drug Stability Testing, connectedTo, Intellectual Property Litigation>
+<Formulation Development, connectedTo, Process Validation>
+<Formulation Development, synthesizes, Drug Repurposing>
+<Global Regulatory Affairs, connectedTo, Sales and Marketing Strategy>
+<Global Regulatory Affairs, secures, Drug Research>
+<Good Manufacturing Practices, sells, Drug Stability Testing>
+<Health Economics Outcomes Research, connectedTo, Good Manufacturing Practices>
+<Intellectual Property Litigation, connectedTo, Audit Management>
+<Manufacturing Scale_up, connectedTo, Health Economics Outcomes Research>
+<Manufacturing Scale_up, partOf, Manufacturing Scale_up>
+<Market Access Strategy, patents, Health Economics Outcomes Research>
+<Medical Writing, evaluates, Manufacturing Scale_up>
+<Medical Writing, partOf, Medical Writing>
+<Process Validation, connectedTo, Post_Approval Commitment Tracking>
+<Sales and Marketing Strategy, connectedTo, Drug Research>
+<Sales and Marketing Strategy, manufactures, Drug Device Combination>
diff --git a/test/graphviz/graph_medium/graphviz_77.txt b/test/graphviz/graph_medium/graphviz_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8104c237ef0b6bf3f2dda99b42e78b36ea7a12d4
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_77.txt
@@ -0,0 +1,25 @@
+<Audit Management, connectedTo, Batch Release>
+<Batch Release, connectedTo, Drug Research>
+<Clinical Supply Management, connectedTo, Drug Research>
+<Clinical Supply Management, connectedTo, Supply Chain Management>
+<Clinical Supply Management, consults, Solid Dosage Formulation>
+<Distribution, connectedTo, Sterile Product Filling>
+<Drug Stability Testing, connectedTo, Patient Adherence Programs>
+<Global Regulatory Affairs, connectedTo, Preclinical Testing>
+<Global Regulatory Affairs, partOf, Global Regulatory Affairs>
+<Market Access Strategy, connectedTo, Packaging>
+<Market Access Strategy, tests, Patient Adherence Programs>
+<Packaging, connectedTo, Drug Stability Testing>
+<Packaging, connectedTo, Patient Adherence Programs>
+<Patient Adherence Programs, connectedTo, Distribution>
+<Pharmacovigilance, develops, Global Regulatory Affairs>
+<Pharmacovigilance, partOf, Pharmacovigilance>
+<Preclinical Testing, partOf, Preclinical Testing>
+<Preclinical Testing, secures, Packaging>
+<Solid Dosage Formulation, connectedTo, Pharmacovigilance>
+<Solid Dosage Formulation, partOf, Solid Dosage Formulation>
+<Sterile Product Filling, connectedTo, Clinical Supply Management>
+<Sterile Product Filling, manufactures, Drug Research>
+<Supply Chain Management, audits, Audit Management>
+<Supply Chain Management, connectedTo, Batch Release>
+<Supply Chain Management, connectedTo, Drug Research>
diff --git a/test/graphviz/graph_medium/graphviz_78.dot b/test/graphviz/graph_medium/graphviz_78.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f18fd0db6d55ff37c5a91308a8e5e4feec142512
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_78.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=LR
+	N0 [label="Manufacturing Scale_up" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Drug Repurposing" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N2 [label="Quality Control" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N3 [label="Medical Writing" color="#92C79A" fillcolor="#E8F0EA" shape=oval style=filled]
+	N4 [label=Pharmacovigilance color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N5 [label="Good Manufacturing Practices" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N6 [label="Compound Synthesis" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N7 [label="Regulatory Approval" color="#92C79A" fillcolor="#E8F0EA" shape=Mdiamond style=filled]
+	N8 [label="Patient Adherence Programs" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N9 [label="Supply Chain Management" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N10 [label="Active Pharmaceutical Ingredient Production" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N11 [label="Sterile Product Filling" color="#82DAFF" fillcolor="#C8EDFF" shape=oval style=filled]
+	N12 [label="Clinical Data Management" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Clinical Trial Phases" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Drug Research" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+		nest0_1 [label="Preclinical Testing" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=regulates color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=audits color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=packages color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=manufactures color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [label=patents color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=develops color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_78.txt b/test/graphviz/graph_medium/graphviz_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..645e81c6fbea85ebfcb551bf9f8c417d9d3e502f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_78.txt
@@ -0,0 +1,21 @@
+<Active Pharmaceutical Ingredient Production, connectedTo, Drug Research>
+<Active Pharmaceutical Ingredient Production, manufactures, Sterile Product Filling>
+<Compound Synthesis, connectedTo, Regulatory Approval>
+<Drug Repurposing, connectedTo, Quality Control>
+<Drug Research, connectedTo, Preclinical Testing>
+<Drug Research, partOf, Drug Research>
+<Good Manufacturing Practices, connectedTo, Compound Synthesis>
+<Manufacturing Scale_up, connectedTo, Pharmacovigilance>
+<Manufacturing Scale_up, regulates, Drug Repurposing>
+<Medical Writing, connectedTo, Pharmacovigilance>
+<Patient Adherence Programs, connectedTo, Sterile Product Filling>
+<Patient Adherence Programs, packages, Supply Chain Management>
+<Patient Adherence Programs, patents, Active Pharmaceutical Ingredient Production>
+<Pharmacovigilance, audits, Good Manufacturing Practices>
+<Preclinical Testing, connectedTo, Active Pharmaceutical Ingredient Production>
+<Preclinical Testing, partOf, Preclinical Testing>
+<Quality Control, connectedTo, Medical Writing>
+<Quality Control, develops, Pharmacovigilance>
+<Regulatory Approval, connectedTo, Patient Adherence Programs>
+<Sterile Product Filling, connectedTo, Clinical Data Management>
+<Supply Chain Management, connectedTo, Active Pharmaceutical Ingredient Production>
diff --git a/test/graphviz/graph_medium/graphviz_79.dot b/test/graphviz/graph_medium/graphviz_79.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b1005b14e1c85c8fc5ea6cc89534163810d00fa2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_79.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=RL
+	N0 [label="Exoskeleton Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label=Calibration color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N2 [label="Fault Detection and Diagnosis" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N3 [label="Artificial Intelligence Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=octagon style=filled]
+	N4 [label="Data Collection" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+	N5 [label="Sensor Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N6 [label="Embedded Systems Development" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N7 [label="Exploration Robotics" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N8 [label="Grasping and Manipulation" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N9 [label="Performance Testing" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N10 [label="Learning Algorithms" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N11 [label="Collaborative Robotics" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#E0F7FA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#E0F7FA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Force Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Human_Robot Interaction" color="#FFEB3B" fillcolor="#FFF9C4" shape=folder style=filled]
+		nest0_1 [label="Actuator Control" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_2 [label="System Integration" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=assists color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=tests color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=disassembles color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=simulates color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=welds color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=detects color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_79.txt b/test/graphviz/graph_medium/graphviz_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82180ce1c74a70e89cdf887ed14e458828a15c06
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_79.txt
@@ -0,0 +1,22 @@
+<Actuator Control, connectedTo, System Integration>
+<Actuator Control, partOf, Actuator Control>
+<Artificial Intelligence Integration, connectedTo, Collaborative Robotics>
+<Artificial Intelligence Integration, connectedTo, Data Collection>
+<Artificial Intelligence Integration, connectedTo, Learning Algorithms>
+<Artificial Intelligence Integration, detects, Sensor Integration>
+<Calibration, connectedTo, Fault Detection and Diagnosis>
+<Data Collection, connectedTo, Sensor Integration>
+<Embedded Systems Development, simulates, Exploration Robotics>
+<Exoskeleton Development, assists, Calibration>
+<Exploration Robotics, connectedTo, Grasping and Manipulation>
+<Exploration Robotics, connectedTo, Human_Robot Interaction>
+<Fault Detection and Diagnosis, connectedTo, Sensor Integration>
+<Fault Detection and Diagnosis, tests, Artificial Intelligence Integration>
+<Grasping and Manipulation, connectedTo, Performance Testing>
+<Human_Robot Interaction, connectedTo, Actuator Control>
+<Human_Robot Interaction, partOf, Human_Robot Interaction>
+<Learning Algorithms, connectedTo, Collaborative Robotics>
+<Performance Testing, welds, Learning Algorithms>
+<Sensor Integration, disassembles, Embedded Systems Development>
+<System Integration, connectedTo, Data Collection>
+<System Integration, partOf, System Integration>
diff --git a/test/graphviz/graph_medium/graphviz_8.txt b/test/graphviz/graph_medium/graphviz_8.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26ede419b9b8aa48f06aee6dbca9296e389b5b44
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_8.txt
@@ -0,0 +1,22 @@
+<Assembly, schedules, Serialization>
+<Automated Assembly, connectedTo, Tool Setup>
+<Batch Tracking, connectedTo, Workflow Optimization>
+<Batch Tracking, partOf, Batch Tracking>
+<Bills of Material Generation, connectedTo, Batch Tracking>
+<Bills of Material Generation, partOf, Bills of Material Generation>
+<Component Sourcing, connectedTo, Bills of Material Generation>
+<Component Sourcing, partOf, Component Sourcing>
+<Final Testing, connectedTo, Predictive Maintenance>
+<Final Testing, connectedTo, Welding>
+<Final Testing, mixes, Inspection>
+<Inspection, connectedTo, Welding>
+<Serialization, connectedTo, Supply Chain Synchronization>
+<Supply Chain Synchronization, connectedTo, Automated Assembly>
+<Supply Chain Synchronization, connectedTo, Component Sourcing>
+<Supply Chain Synchronization, connectedTo, Inspection>
+<Supply Chain Synchronization, connectedTo, Predictive Maintenance>
+<Tool Setup, automates, Inspection>
+<Tool Setup, connectedTo, Final Testing>
+<Welding, procures, Predictive Maintenance>
+<Workflow Optimization, improves, Tool Setup>
+<Workflow Optimization, partOf, Workflow Optimization>
diff --git a/test/graphviz/graph_medium/graphviz_80.dot b/test/graphviz/graph_medium/graphviz_80.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bd5416a523f545f0b109838f152a4ae8edb412a6
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_80.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=BT
+	N0 [label="Autonomous Navigation" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Wireless Communication" color="#80DDEA" fillcolor="#D3F7F9" shape=plaintext style=filled]
+	N2 [label="Industrial Automation" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N3 [label="Underwater Robotics" color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+	N4 [label="Performance Testing" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N5 [label="Robot Fleet Management" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label="Software Development" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N7 [label="Safety System Implementation" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	S0 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Actuator Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Exoskeleton Development" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+		nest0_1 [label="Learning Algorithms" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+		nest0_2 [label="Exploration Robotics" color="#FF9800" fillcolor="#FFE0B2" shape=folder style=filled]
+		nest0_3 [label="Artificial Intelligence Integration" color="#92C79A" fillcolor="#E8F0EA" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [label=disassembles color="#FF9800" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=communicates color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=monitors color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=grips color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [label=navigates color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label=assembles color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [label=updates color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_80.txt b/test/graphviz/graph_medium/graphviz_80.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06440a77b3b70aa8d0dcbabab40028588a9edebc
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_80.txt
@@ -0,0 +1,24 @@
+<Artificial Intelligence Integration, navigates, Underwater Robotics>
+<Artificial Intelligence Integration, partOf, Artificial Intelligence Integration>
+<Autonomous Navigation, connectedTo, Underwater Robotics>
+<Autonomous Navigation, connectedTo, Wireless Communication>
+<Exoskeleton Development, disassembles, Learning Algorithms>
+<Exoskeleton Development, partOf, Exoskeleton Development>
+<Exploration Robotics, connectedTo, Artificial Intelligence Integration>
+<Exploration Robotics, partOf, Exploration Robotics>
+<Industrial Automation, assembles, Software Development>
+<Industrial Automation, communicates, Underwater Robotics>
+<Industrial Automation, connectedTo, Performance Testing>
+<Industrial Automation, connectedTo, Robot Fleet Management>
+<Learning Algorithms, connectedTo, Exploration Robotics>
+<Learning Algorithms, partOf, Learning Algorithms>
+<Performance Testing, grips, Robot Fleet Management>
+<Robot Fleet Management, connectedTo, Software Development>
+<Software Development, connectedTo, Safety System Implementation>
+<Underwater Robotics, monitors, Performance Testing>
+<Wireless Communication, connectedTo, Exoskeleton Development>
+<Wireless Communication, connectedTo, Industrial Automation>
+<Wireless Communication, connectedTo, Robot Fleet Management>
+<Wireless Communication, connectedTo, Software Development>
+<Wireless Communication, connectedTo, Underwater Robotics>
+<Wireless Communication, updates, Underwater Robotics>
diff --git a/test/graphviz/graph_medium/graphviz_81.dot b/test/graphviz/graph_medium/graphviz_81.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0cc99ae3b881922b662530176df61bf32b9b0ce3
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_81.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=BT
+	N0 [label="Field Deployment" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N1 [label="Service Robotics" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N2 [label="Learning Algorithms" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N3 [label="Robot Programming" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N4 [label="Kinematics and Dynamics" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+	N5 [label="Robot Fleet Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N6 [label="End_Effector Design" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N7 [label="Agricultural Robotics" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N8 [label="Force Control" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N9 [label="Underwater Robotics" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N10 [label="Actuator Control" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+	N11 [label="Robotics Simulation" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N12 [label="Swarm Robotics" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N13 [label="Sensor Integration" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N14 [label="Fault Detection and Diagnosis" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	S0 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Drone Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Software Development" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+		nest0_1 [label="Ethical Robotics Development" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=assists color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=secures color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=calibrates color="#795548" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=tests color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [label=assembles color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [label=controls color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [label=collaborates color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N10 -> N9 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_81.txt b/test/graphviz/graph_medium/graphviz_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df7c8623480c6e0a01cf6615ab41597efffa7fe5
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_81.txt
@@ -0,0 +1,24 @@
+<Actuator Control, connectedTo, Robotics Simulation>
+<Actuator Control, connectedTo, Service Robotics>
+<Actuator Control, connectedTo, Software Development>
+<Actuator Control, connectedTo, Underwater Robotics>
+<Agricultural Robotics, calibrates, Force Control>
+<End_Effector Design, connectedTo, Agricultural Robotics>
+<End_Effector Design, connectedTo, Robotics Simulation>
+<Ethical Robotics Development, controls, Agricultural Robotics>
+<Ethical Robotics Development, partOf, Ethical Robotics Development>
+<Field Deployment, collaborates, Actuator Control>
+<Field Deployment, connectedTo, Learning Algorithms>
+<Field Deployment, connectedTo, Service Robotics>
+<Force Control, connectedTo, Underwater Robotics>
+<Kinematics and Dynamics, connectedTo, Robot Fleet Management>
+<Learning Algorithms, connectedTo, Robot Programming>
+<Robot Fleet Management, connectedTo, End_Effector Design>
+<Robot Programming, secures, Kinematics and Dynamics>
+<Robotics Simulation, connectedTo, Swarm Robotics>
+<Sensor Integration, assembles, Fault Detection and Diagnosis>
+<Service Robotics, connectedTo, Learning Algorithms>
+<Software Development, assists, Ethical Robotics Development>
+<Software Development, partOf, Software Development>
+<Swarm Robotics, connectedTo, Sensor Integration>
+<Underwater Robotics, tests, Actuator Control>
diff --git a/test/graphviz/graph_medium/graphviz_82.dot b/test/graphviz/graph_medium/graphviz_82.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6986b2db3c2f15c9e1e202464b9e81ff57c5fdc8
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_82.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=LR
+	N0 [label="Blueprint Review" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Utility Connection" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N2 [label="Risk Assessment" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N3 [label="Change Order Management" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Budget Tracking" color="#00BCD4" fillcolor="#B2EBF2" shape=Mdiamond style=filled]
+	N5 [label="HVAC Installation" color="#607D8B" fillcolor="#CFD8DC" shape=Mdiamond style=filled]
+	N6 [label="Facade Installation" color="#DCE775" fillcolor="#F9FBE7" shape=folder style=filled]
+	N7 [label="Site Decontamination" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N8 [label="Punch List Completion" color="#00BCD4" fillcolor="#B2EBF2" shape=Mdiamond style=filled]
+	N9 [label="Quality Assurance" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N10 [label="Equipment Mobilization" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N11 [label="Bridge Building" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+	N12 [label="Landscape Design" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Project Scheduling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Site Planning" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+		nest0_1 [label="Electrical Wiring" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_2 [label="Road Construction" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=pours color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=measures color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=complies color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [label=inspects color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_82.txt b/test/graphviz/graph_medium/graphviz_82.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cf15ae66031cbbb6608c539cbbb6001c9b8ad2e0
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_82.txt
@@ -0,0 +1,22 @@
+<Blueprint Review, pours, Utility Connection>
+<Bridge Building, connectedTo, Landscape Design>
+<Budget Tracking, connectedTo, HVAC Installation>
+<Change Order Management, measures, Budget Tracking>
+<Electrical Wiring, connectedTo, Road Construction>
+<Electrical Wiring, partOf, Electrical Wiring>
+<Equipment Mobilization, connectedTo, Bridge Building>
+<Facade Installation, connectedTo, Equipment Mobilization>
+<Facade Installation, connectedTo, Landscape Design>
+<Facade Installation, connectedTo, Punch List Completion>
+<Facade Installation, connectedTo, Site Decontamination>
+<HVAC Installation, connectedTo, Facade Installation>
+<Punch List Completion, connectedTo, Quality Assurance>
+<Quality Assurance, connectedTo, Equipment Mobilization>
+<Risk Assessment, connectedTo, Change Order Management>
+<Road Construction, connectedTo, Punch List Completion>
+<Road Construction, partOf, Road Construction>
+<Site Decontamination, complies, Punch List Completion>
+<Site Decontamination, inspects, Site Planning>
+<Site Planning, connectedTo, Electrical Wiring>
+<Site Planning, partOf, Site Planning>
+<Utility Connection, connectedTo, Risk Assessment>
diff --git a/test/graphviz/graph_medium/graphviz_83.txt b/test/graphviz/graph_medium/graphviz_83.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9350b42055f65c0b97aee41ca2a0ba63fc756f4a
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_83.txt
@@ -0,0 +1,25 @@
+<Blueprint Review, connectedTo, Pre_fabrication>
+<Bridge Building, connectedTo, Electrical Wiring>
+<Bridge Building, partOf, Bridge Building>
+<Concrete Pouring, audits, Bridge Building>
+<Concrete Pouring, partOf, Concrete Pouring>
+<Demolition, connectedTo, Foundation Laying>
+<Demolition, connectedTo, Subcontractor Management>
+<Electrical Wiring, excavates, Excavation>
+<Electrical Wiring, partOf, Electrical Wiring>
+<Equipment Mobilization, pours, Quality Assurance>
+<Excavation, connectedTo, Subcontractor Management>
+<Excavation, partOf, Excavation>
+<Foundation Laying, connectedTo, Waste Management>
+<Permit Application, connectedTo, Foundation Laying>
+<Post_Construction Handover, connectedTo, Equipment Mobilization>
+<Post_Construction Handover, connectedTo, Quality Assurance>
+<Post_Construction Handover, connectedTo, Sustainable Building Design>
+<Pre_fabrication, connectedTo, Site Planning>
+<Project Scheduling, budgets, Sustainable Building Design>
+<Quality Assurance, connectedTo, Project Scheduling>
+<Site Planning, connectedTo, Concrete Pouring>
+<Site Planning, connectedTo, Post_Construction Handover>
+<Subcontractor Management, connectedTo, Foundation Laying>
+<Subcontractor Management, maintains, Permit Application>
+<Waste Management, connectedTo, Blueprint Review>
diff --git a/test/graphviz/graph_medium/graphviz_84.txt b/test/graphviz/graph_medium/graphviz_84.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af9267f4568735f815767a905695553f267d9e73
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_84.txt
@@ -0,0 +1,18 @@
+<Demolition, connectedTo, Road Construction>
+<Demolition, partOf, Demolition>
+<Foundation Laying, connectedTo, Road Construction>
+<Landscape Design, connectedTo, Roofing Installation>
+<Landscape Design, connectedTo, Sustainable Building Design>
+<Landscape Design, permits, Road Construction>
+<Occupancy Permit Acquisition, connectedTo, Punch List Completion>
+<Occupancy Permit Acquisition, connectedTo, Sustainable Building Design>
+<Occupancy Permit Acquisition, tests, Landscape Design>
+<Road Construction, builds, Sustainable Building Design>
+<Roofing Installation, connectedTo, Site Decontamination>
+<Roofing Installation, coordinates, Punch List Completion>
+<Roofing Installation, documents, Foundation Laying>
+<Site Decontamination, connectedTo, Waste Management>
+<Site Decontamination, partOf, Site Decontamination>
+<Sustainable Building Design, connectedTo, Punch List Completion>
+<Waste Management, connectedTo, Demolition>
+<Waste Management, partOf, Waste Management>
diff --git a/test/graphviz/graph_medium/graphviz_85.dot b/test/graphviz/graph_medium/graphviz_85.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d980495e54e6647e6f3c1a98053462c9de240b30
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_85.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=BT
+	N0 [label="Public Relations" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N1 [label=Photojournalism color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N2 [label="Digital Marketing" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N3 [label="Game Streaming" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N4 [label="Content Licensing" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N5 [label=Distribution color="#AABEC6" fillcolor="#E0E6E9" shape=octagon style=filled]
+	N6 [label="Analytics Reporting" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N7 [label="Cross_Platform Syndication" color="#AABEC6" fillcolor="#E0E6E9" shape=Mdiamond style=filled]
+	N8 [label="Media Consumption Trends Analysis" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N9 [label="Content Creation" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N10 [label="Brand Partnerships" color="#4DD0E1" fillcolor="#C9F0F0" shape=oval style=filled]
+	N11 [label=Editing color="#AABEC6" fillcolor="#E0E6E9" shape=folder style=filled]
+	N12 [label="Social Media Management" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N13 [label="Sound Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N14 [label="User Generated Content Curation" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Audience Engagement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Broadcasting color="#FFF176" fillcolor="#FFFDE7" shape=plaintext style=filled]
+		nest0_1 [label="Content Moderation" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=composes color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=licenses color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=streams color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=collects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=engages color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [label=distributes color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N8 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=responds color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_85.txt b/test/graphviz/graph_medium/graphviz_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cb07a19d17713a7e5c5601206b48081fb898d764
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_85.txt
@@ -0,0 +1,23 @@
+<Analytics Reporting, connectedTo, Editing>
+<Analytics Reporting, connectedTo, User Generated Content Curation>
+<Analytics Reporting, streams, Cross_Platform Syndication>
+<Brand Partnerships, engages, Editing>
+<Broadcasting, composes, Content Moderation>
+<Broadcasting, partOf, Broadcasting>
+<Content Creation, connectedTo, Brand Partnerships>
+<Content Licensing, connectedTo, Analytics Reporting>
+<Content Licensing, connectedTo, Distribution>
+<Content Moderation, connectedTo, Media Consumption Trends Analysis>
+<Content Moderation, partOf, Content Moderation>
+<Cross_Platform Syndication, collects, Media Consumption Trends Analysis>
+<Cross_Platform Syndication, connectedTo, Broadcasting>
+<Digital Marketing, licenses, Game Streaming>
+<Distribution, connectedTo, Analytics Reporting>
+<Editing, connectedTo, Social Media Management>
+<Game Streaming, connectedTo, Content Licensing>
+<Media Consumption Trends Analysis, connectedTo, Content Creation>
+<Photojournalism, connectedTo, Digital Marketing>
+<Public Relations, connectedTo, Photojournalism>
+<Public Relations, responds, Analytics Reporting>
+<Social Media Management, connectedTo, Sound Design>
+<Sound Design, distributes, User Generated Content Curation>
diff --git a/test/graphviz/graph_medium/graphviz_87.dot b/test/graphviz/graph_medium/graphviz_87.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6ea31ff3033809782fd87dc9225460bea3e7658b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_87.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=TD
+	N0 [label="Audience Segmentation" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Print Layout" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N2 [label="Event Organization" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N3 [label="Radio Programming" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N4 [label="Content Licensing" color="#F06292" fillcolor="#FCE4EC" shape=oval style=filled]
+	N5 [label="Talent Management" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N6 [label="Public Relations" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N7 [label=Publishing color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+	N8 [label="Copyright Management" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N9 [label=Photojournalism color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	S0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Visual Effects" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Advertising Sales" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+		nest0_1 [label="Cross_Platform Syndication" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+		nest0_0 -> nest0_1 [label=develops color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=writes color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=photographs color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [label=reports color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N2 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=moderates color="#F06292" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_87.txt b/test/graphviz/graph_medium/graphviz_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..800e6855d0791e2345af14e52f54bf86cbcdbd68
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_87.txt
@@ -0,0 +1,18 @@
+<Advertising Sales, develops, Cross_Platform Syndication>
+<Advertising Sales, partOf, Advertising Sales>
+<Audience Segmentation, connectedTo, Print Layout>
+<Audience Segmentation, connectedTo, Public Relations>
+<Audience Segmentation, connectedTo, Publishing>
+<Audience Segmentation, connectedTo, Radio Programming>
+<Content Licensing, connectedTo, Talent Management>
+<Copyright Management, photographs, Photojournalism>
+<Cross_Platform Syndication, connectedTo, Event Organization>
+<Cross_Platform Syndication, partOf, Cross_Platform Syndication>
+<Event Organization, connectedTo, Radio Programming>
+<Event Organization, moderates, Public Relations>
+<Print Layout, connectedTo, Event Organization>
+<Public Relations, writes, Publishing>
+<Publishing, connectedTo, Copyright Management>
+<Publishing, reports, Advertising Sales>
+<Radio Programming, connectedTo, Content Licensing>
+<Talent Management, connectedTo, Public Relations>
diff --git a/test/graphviz/graph_medium/graphviz_88.dot b/test/graphviz/graph_medium/graphviz_88.dot
new file mode 100644
index 0000000000000000000000000000000000000000..795a03555d9f9cdcc12c32a2e5924de20ba2e65b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_88.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=TD
+	N0 [label="Food Preparation" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N1 [label="Restaurant Reservation System" color="#CB9BE1" fillcolor="#F2E6F5" shape=octagon style=filled]
+	N2 [label="Service Delivery" color="#CB9BE1" fillcolor="#F2E6F5" shape=plaintext style=filled]
+	N3 [label="Allergen Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N4 [label="Consumer Feedback Collection" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N5 [label="Food Safety Inspection" color="#CB9BE1" fillcolor="#F2E6F5" shape=plaintext style=filled]
+	N6 [label="Kitchen Hygiene" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N7 [label="Menu Planning" color="#A188DB" fillcolor="#DED7F0" shape=Mdiamond style=filled]
+	N8 [label=Packaging color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N9 [label="Branding and Marketing" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	S0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Recipe Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Ingredient Sourcing" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+		nest0_1 [label="Catering Operations" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+		nest0_2 [label="Beverage Production" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+		nest0_3 [label="Food Packaging Design" color="#CB9BE1" fillcolor="#F2E6F5" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=inspects color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=distributes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=tests color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=stores color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [label=sells color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	M0 -> N8 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_88.txt b/test/graphviz/graph_medium/graphviz_88.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b9844aef541a84df121ca09b6f97d221ada7679f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_88.txt
@@ -0,0 +1,22 @@
+<Allergen Management, connectedTo, Consumer Feedback Collection>
+<Allergen Management, sells, Packaging>
+<Beverage Production, connectedTo, Food Packaging Design>
+<Beverage Production, partOf, Beverage Production>
+<Catering Operations, connectedTo, Beverage Production>
+<Catering Operations, partOf, Catering Operations>
+<Consumer Feedback Collection, connectedTo, Ingredient Sourcing>
+<Consumer Feedback Collection, tests, Food Safety Inspection>
+<Food Packaging Design, connectedTo, Consumer Feedback Collection>
+<Food Packaging Design, partOf, Food Packaging Design>
+<Food Preparation, connectedTo, Allergen Management>
+<Food Preparation, connectedTo, Branding and Marketing>
+<Food Preparation, inspects, Restaurant Reservation System>
+<Food Safety Inspection, connectedTo, Kitchen Hygiene>
+<Ingredient Sourcing, connectedTo, Catering Operations>
+<Ingredient Sourcing, partOf, Ingredient Sourcing>
+<Kitchen Hygiene, stores, Menu Planning>
+<Menu Planning, connectedTo, Packaging>
+<Packaging, connectedTo, Branding and Marketing>
+<Restaurant Reservation System, distributes, Service Delivery>
+<Service Delivery, connectedTo, Allergen Management>
+<Service Delivery, connectedTo, Packaging>
diff --git a/test/graphviz/graph_medium/graphviz_89.dot b/test/graphviz/graph_medium/graphviz_89.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e4022d1fca9913480915d8a84781b0502164afaf
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_89.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=BT
+	N0 [label="Branding and Marketing" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="Food Safety Inspection" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N2 [label="Waste Reduction" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N3 [label="Storage Solutions" color="#2196F3" fillcolor="#BBDEFB" shape=plaintext style=filled]
+	N4 [label="Restaurant Management" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N5 [label="Ingredient Sourcing" color="#F06292" fillcolor="#FCE4EC" shape=folder style=filled]
+	N6 [label="Service Delivery" color="#F06292" fillcolor="#FCE4EC" shape=folder style=filled]
+	N7 [label="Nutrition Analysis" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N8 [label="Ingredient Traceability" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N9 [label="Delivery Service Coordination" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N10 [label="Regulatory Compliance" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N11 [label="Supplier Management" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	S0 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label=Brewing labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Recipe Development" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_1 [label="Sensory Evaluation" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+		nest0_2 [label="Product Shelf_Life Testing" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_3 [label="Food Preparation" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=chills color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=cooks color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=traces color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=distributes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=flavors color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_9.txt b/test/graphviz/graph_medium/graphviz_9.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e53b4075a1a037926489c9ebac596a5ede7203b2
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_9.txt
@@ -0,0 +1,24 @@
+<Automated Assembly, connectedTo, Procurement>
+<Component Sourcing, connectedTo, Raw Material>
+<Component Sourcing, partOf, Component Sourcing>
+<Environmental Compliance, connectedTo, Ergonomics Assessment>
+<Ergonomics Assessment, disposes, Automated Assembly>
+<Inspection, connectedTo, Quality Control>
+<Packaging, audits, Welding>
+<Packaging, connectedTo, Tool Setup>
+<Painting, connectedTo, Procurement>
+<Parts Replacement, connectedTo, Packaging>
+<Procurement, connectedTo, Robotics Integration>
+<Production Scheduling, connectedTo, Inspection>
+<Quality Control, connectedTo, Environmental Compliance>
+<Raw Material, connectedTo, Robotics Integration>
+<Raw Material, partOf, Raw Material>
+<Robotics Integration, assembles, Production Scheduling>
+<Robotics Integration, connectedTo, Automated Assembly>
+<Robotics Integration, dispatches, Environmental Compliance>
+<Tool Setup, mixes, Component Sourcing>
+<Tool Setup, partOf, Tool Setup>
+<Welding, processes, Workflow Optimization>
+<Workflow Optimization, connectedTo, Automated Assembly>
+<Workflow Optimization, connectedTo, Painting>
+<Workflow Optimization, innovates, Production Scheduling>
diff --git a/test/graphviz/graph_medium/graphviz_90.dot b/test/graphviz/graph_medium/graphviz_90.dot
new file mode 100644
index 0000000000000000000000000000000000000000..36126d596dfeacd8ceeaefe5f6e1deb30e81001f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_90.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=LR
+	N0 [label="Waste Reduction" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Storage Solutions" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N2 [label="Inventory Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=plaintext style=filled]
+	N3 [label="Food Packaging Design" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N4 [label="Supplier Management" color="#E91E63" fillcolor="#F8BBD0" shape=plaintext style=filled]
+	N5 [label="Branding and Marketing" color="#E91E63" fillcolor="#F8BBD0" shape=plaintext style=filled]
+	N6 [label="Sustainable Sourcing" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N7 [label="Food Waste Management System" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N8 [label="Cuisine Innovation" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N9 [label="Quality Control" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N10 [label="Delivery Service Coordination" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N11 [label=Cooking color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	S0 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Kitchen Hygiene" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Beverage Production" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+		nest0_1 [label="Allergen Management" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=manages color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=prepares color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=manufactures color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=labels color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N11 [label=regulates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=sells color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_90.txt b/test/graphviz/graph_medium/graphviz_90.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a16d96ae38ec33cbef1977cb413b9d49fa56ca1
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_90.txt
@@ -0,0 +1,21 @@
+<Allergen Management, partOf, Allergen Management>
+<Allergen Management, regulates, Cooking>
+<Beverage Production, connectedTo, Allergen Management>
+<Beverage Production, partOf, Beverage Production>
+<Branding and Marketing, connectedTo, Sustainable Sourcing>
+<Cuisine Innovation, connectedTo, Beverage Production>
+<Cuisine Innovation, connectedTo, Quality Control>
+<Delivery Service Coordination, connectedTo, Cooking>
+<Food Packaging Design, manages, Supplier Management>
+<Food Waste Management System, connectedTo, Cooking>
+<Food Waste Management System, connectedTo, Cuisine Innovation>
+<Inventory Management, connectedTo, Food Packaging Design>
+<Inventory Management, sells, Cooking>
+<Quality Control, labels, Delivery Service Coordination>
+<Storage Solutions, connectedTo, Inventory Management>
+<Supplier Management, prepares, Branding and Marketing>
+<Sustainable Sourcing, manufactures, Food Waste Management System>
+<Waste Reduction, connectedTo, Cuisine Innovation>
+<Waste Reduction, connectedTo, Delivery Service Coordination>
+<Waste Reduction, connectedTo, Food Packaging Design>
+<Waste Reduction, connectedTo, Storage Solutions>
diff --git a/test/graphviz/graph_medium/graphviz_91.dot b/test/graphviz/graph_medium/graphviz_91.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0ce24293d6cce5eafbc2e98cfc0d052960e65662
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_91.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=BT
+	N0 [label="Sports Analytics" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Match Play" color="#FFCC7A" fillcolor="#FFF6D9" shape=plaintext style=filled]
+	N2 [label="Media Rights Negotiation" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N3 [label="Fan Engagement" color="#B0C5CD" fillcolor="#DFE7EB" shape=plaintext style=filled]
+	N4 [label="Sports Technology Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N5 [label="Injury Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=folder style=filled]
+	N6 [label="Athlete Nutrition Planning" color="#FFCC7A" fillcolor="#FFF6D9" shape=octagon style=filled]
+	N7 [label="Sponsorship Management" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N8 [label=Refereeing color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N9 [label=Coaching color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	S0 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label=Scorekeeping labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sports Psychology" color="#FFCC7A" fillcolor="#FFF6D9" shape=octagon style=filled]
+		nest0_1 [label="Talent Scouting" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=sponsors color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=scores color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=secures color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [label=loses color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [label=sells color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label=judges color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_91.txt b/test/graphviz/graph_medium/graphviz_91.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5f843cc8fac0d16ab1ce311d5ad6efb829a4fca
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_91.txt
@@ -0,0 +1,20 @@
+<Athlete Nutrition Planning, secures, Sponsorship Management>
+<Fan Engagement, connectedTo, Sponsorship Management>
+<Fan Engagement, connectedTo, Sports Technology Integration>
+<Injury Management, connectedTo, Athlete Nutrition Planning>
+<Injury Management, connectedTo, Coaching>
+<Injury Management, connectedTo, Sponsorship Management>
+<Match Play, connectedTo, Injury Management>
+<Match Play, connectedTo, Media Rights Negotiation>
+<Match Play, judges, Sponsorship Management>
+<Media Rights Negotiation, sponsors, Fan Engagement>
+<Refereeing, connectedTo, Coaching>
+<Refereeing, loses, Sports Psychology>
+<Sponsorship Management, connectedTo, Refereeing>
+<Sports Analytics, connectedTo, Injury Management>
+<Sports Analytics, connectedTo, Match Play>
+<Sports Psychology, connectedTo, Talent Scouting>
+<Sports Psychology, partOf, Sports Psychology>
+<Sports Technology Integration, scores, Injury Management>
+<Talent Scouting, partOf, Talent Scouting>
+<Talent Scouting, sells, Fan Engagement>
diff --git a/test/graphviz/graph_medium/graphviz_92.dot b/test/graphviz/graph_medium/graphviz_92.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1778b3e76257690a1b16eb8e99d3f84f899d0170
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_92.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sponsorship Management" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Ticketing Sales" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N2 [label="Fitness Conditioning" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N3 [label="Sports Analytics" color="#FF5722" fillcolor="#FFCCBC" shape=Mdiamond style=filled]
+	N4 [label="Data Analytics in Sports" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N5 [label=Scorekeeping color="#64B5F6" fillcolor="#E3F2FD" shape=plaintext style=filled]
+	N6 [label="Match Play" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	S0 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Rule Enforcement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Game Strategy" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+		nest0_1 [label="Esports Event Management" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+		nest0_2 [label="Accessibility in Sports Venues" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+		nest0_3 [label="Fan Experience Enhancement" color="#64B5F6" fillcolor="#E3F2FD" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=markets color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=regulates color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [label=manages color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N5 -> N3 [label=governs color="#E57373" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N4 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_94.txt b/test/graphviz/graph_medium/graphviz_94.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d0f49336172498bdd689c3c2e9ab2dfe520850a5
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_94.txt
@@ -0,0 +1,23 @@
+<Fashion Show Production, connectedTo, Garment Fitting Session>
+<Garment Fitting Session, connectedTo, Quality Check>
+<Garment Production, partOf, Garment Production>
+<Garment Production, patterns, Sustainable Fashion Practices>
+<Influencer Collaboration, connectedTo, Sample Creation>
+<Influencer Collaboration, connectedTo, Supply Chain Transparency>
+<Marketing Campaign, connectedTo, Garment Fitting Session>
+<Marketing Campaign, connectedTo, PR and Media Outreach>
+<Marketing Campaign, connectedTo, Sample Creation>
+<Marketing Campaign, connectedTo, Supply Chain Transparency>
+<Marketing Campaign, sells, Quality Check>
+<Material Sourcing, connectedTo, Packaging>
+<Material Sourcing, partOf, Material Sourcing>
+<PR and Media Outreach, connectedTo, Supply Chain Transparency>
+<PR and Media Outreach, connectedTo, Sustainable Fashion Practices>
+<Packaging, connectedTo, Garment Production>
+<Packaging, partOf, Packaging>
+<Sample Creation, forecasts, Garment Fitting Session>
+<Sample Creation, manages, Supply Chain Transparency>
+<Supply Chain Transparency, audits, Garment Fitting Session>
+<Supply Chain Transparency, connectedTo, Fashion Show Production>
+<Supply Chain Transparency, connectedTo, Material Sourcing>
+<Sustainable Fashion Practices, connectedTo, Influencer Collaboration>
diff --git a/test/graphviz/graph_medium/graphviz_95.dot b/test/graphviz/graph_medium/graphviz_95.dot
new file mode 100644
index 0000000000000000000000000000000000000000..abd06486275f6f506f5a6a274446c4912966b22f
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_95.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=LR
+	N0 [label="Influencer Collaboration" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Return Processing" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N2 [label="Color Palette Selection" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N3 [label="PR and Media Outreach" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N4 [label="Product Photography" color="#A2D0FF" fillcolor="#E8F0FF" shape=Mdiamond style=filled]
+	N5 [label="Footwear Production" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N6 [label=Packaging color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N7 [label="Fashion Show Production" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N8 [label="Intellectual Property Protection" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N9 [label="Inventory Management" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N10 [label=Distribution color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N11 [label="Ready_to_Wear Collection Launch" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	S1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Pattern Making" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Retail Store Merchandising" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+		nest0_1 [label="Fabric Innovation" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest0_2 [label="Custom Apparel Design" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=licenses color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=upcycles color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=advises color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [label=manufactures color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [label=collaborates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/graph_medium/graphviz_95.txt b/test/graphviz/graph_medium/graphviz_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e65cb448d9ac922f2ff0296a612fa6404e6f542b
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_95.txt
@@ -0,0 +1,22 @@
+<Color Palette Selection, licenses, PR and Media Outreach>
+<Custom Apparel Design, collaborates, Product Photography>
+<Custom Apparel Design, partOf, Custom Apparel Design>
+<Distribution, connectedTo, Ready_to_Wear Collection Launch>
+<Fabric Innovation, connectedTo, Custom Apparel Design>
+<Fabric Innovation, partOf, Fabric Innovation>
+<Fashion Show Production, connectedTo, Intellectual Property Protection>
+<Footwear Production, advises, Packaging>
+<Footwear Production, connectedTo, Ready_to_Wear Collection Launch>
+<Influencer Collaboration, connectedTo, Return Processing>
+<Intellectual Property Protection, connectedTo, Distribution>
+<Intellectual Property Protection, connectedTo, Inventory Management>
+<Intellectual Property Protection, connectedTo, Ready_to_Wear Collection Launch>
+<Inventory Management, connectedTo, Distribution>
+<PR and Media Outreach, connectedTo, Product Photography>
+<PR and Media Outreach, manufactures, Retail Store Merchandising>
+<Packaging, connectedTo, Fashion Show Production>
+<Product Photography, upcycles, Footwear Production>
+<Retail Store Merchandising, connectedTo, Fabric Innovation>
+<Retail Store Merchandising, partOf, Retail Store Merchandising>
+<Return Processing, connectedTo, Color Palette Selection>
+<Return Processing, connectedTo, Ready_to_Wear Collection Launch>
diff --git a/test/graphviz/graph_medium/graphviz_96.dot b/test/graphviz/graph_medium/graphviz_96.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8221932ff067dd277cfa1258882db5026f670b77
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_96.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=TD
+	N0 [label="Pattern Making" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label=Packaging color="#FFCC80" fillcolor="#FFF0CC" shape=plaintext style=filled]
+	N2 [label="Sustainable Fashion Practices" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N3 [label="Retail Store Merchandising" color="#FFCC80" fillcolor="#FFF0CC" shape=plaintext style=filled]
+	N4 [label="Embroidery and Embellishment" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N5 [label="Retail Sales" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label="Brand Building" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	S1 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Quality Check" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Brand Licensing" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+		nest0_1 [label="Sample Creation" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=exhibits color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=forecasts color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label=photographs color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [label=stylizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=markets color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/graph_medium/graphviz_97.txt b/test/graphviz/graph_medium/graphviz_97.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4918dc6973d7c9d9da4719c5d47d788a9cc45323
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_97.txt
@@ -0,0 +1,24 @@
+<Candidate Sourcing, connectedTo, Global Mobility Programs>
+<Candidate Sourcing, connectedTo, Recruitment Planning>
+<Change Management, connectedTo, HR Analytics>
+<Compliance Management, disciplines, Leave Management>
+<Disciplinary Procedures, connectedTo, Change Management>
+<Disciplinary Procedures, connectedTo, Performance Appraisal>
+<Diversity and Inclusion Initiatives, connectedTo, Disciplinary Procedures>
+<Diversity and Inclusion Initiatives, trains, Succession Planning>
+<Employee Handbook Creation, connectedTo, Performance Appraisal>
+<Employee Handbook Creation, partOf, Employee Handbook Creation>
+<Global Mobility Programs, connectedTo, Change Management>
+<HR Analytics, engages, Work_Life Balance Initiatives>
+<Leave Management, connectedTo, Candidate Sourcing>
+<Leave Management, connectedTo, Change Management>
+<Offer Management, connectedTo, Payroll Processing>
+<Payroll Processing, connectedTo, Compliance Management>
+<Performance Appraisal, connectedTo, Offer Management>
+<Recruitment Planning, hires, Global Mobility Programs>
+<Succession Planning, connectedTo, Employee Handbook Creation>
+<Succession Planning, partOf, Succession Planning>
+<Team Building Activities, connectedTo, Change Management>
+<Team Building Activities, connectedTo, Diversity and Inclusion Initiatives>
+<Team Building Activities, connectedTo, Recruitment Planning>
+<Work_Life Balance Initiatives, connectedTo, Talent Management>
diff --git a/test/graphviz/graph_medium/graphviz_98.txt b/test/graphviz/graph_medium/graphviz_98.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bbaf9b7a0578b8cbd9f9079729b2ecbcf8ff7faa
--- /dev/null
+++ b/test/graphviz/graph_medium/graphviz_98.txt
@@ -0,0 +1,17 @@
+<Disciplinary Procedures, connectedTo, HR Analytics>
+<Employee Data Management, connectedTo, Disciplinary Procedures>
+<Employee Recognition Programs, complies, Global Mobility Programs>
+<Employee Recognition Programs, connectedTo, Employee Data Management>
+<Employee Recognition Programs, connectedTo, Health and Safety Management>
+<Global Mobility Programs, develops, Talent Management>
+<Global Mobility Programs, partOf, Global Mobility Programs>
+<HR Analytics, secures, Workforce Planning>
+<Health and Safety Management, connectedTo, Disciplinary Procedures>
+<Health and Safety Management, connectedTo, HR Analytics>
+<Health and Safety Management, connectedTo, Workforce Planning>
+<Health and Safety Management, surveys, Employee Data Management>
+<Offer Management, connectedTo, Employee Data Management>
+<Offer Management, promotes, Employee Recognition Programs>
+<Talent Management, connectedTo, Employee Data Management>
+<Talent Management, partOf, Talent Management>
+<Workforce Planning, connectedTo, Work_Life Balance Initiatives>
diff --git a/test/graphviz/scanned_medium/graphviz_100.txt b/test/graphviz/scanned_medium/graphviz_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93bd8822c0e325fbd573b2e50b9d390725694f25
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_100.txt
@@ -0,0 +1,11 @@
+<Audit Planning, fairness, Financial Regulations Compliance>
+<Bias Mitigation, connectedTo, Stakeholder Engagement on Ethics>
+<Compliance Training, implements, Environmental Compliance>
+<Conflict of Interest Management, connectedTo, Labor Law Compliance>
+<Environmental Compliance, connectedTo, Bias Mitigation>
+<Environmental Compliance, develops, Healthcare Compliance>
+<Export Control Compliance, certifies, Healthcare Compliance>
+<Financial Regulations Compliance, assesses, Compliance Training>
+<Financial Regulations Compliance, responds, Conflict of Interest Management>
+<Healthcare Compliance, connectedTo, Audit Planning>
+<Stakeholder Engagement on Ethics, connectedTo, Conflict of Interest Management>
diff --git a/test/graphviz/scanned_medium/graphviz_102.dot b/test/graphviz/scanned_medium/graphviz_102.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1f1b0f2225582f082c96ecdd95d2a3e81ddbbc2b
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_102.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TD
+	N0 [label="Training Exercises" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N1 [label="Biometric Screening" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N2 [label="Insider Threat Programs" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N3 [label="Early Warning Systems" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N4 [label="Risk_Based Security Measures" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N5 [label="Forensic Investigation of Attacks" color="#AB47BC" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N6 [label="Homeland Security Planning" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N7 [label="Public Awareness Campaigns" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N0 -> N1 [label=vulnerabilities_reduces color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=responds color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=targets_protects color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N3 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N7 [label=drills color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_107.txt b/test/graphviz/scanned_medium/graphviz_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..14bccc836ca3cd5ff7cb6c2222f21af0a121dbe3
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_107.txt
@@ -0,0 +1,11 @@
+<Aftershock Analysis, ground_motion, Seismic Noise Analysis>
+<Building Code Development, fault_lines, Planetary Seismology>
+<Data Archiving and Distribution, analyzes, Geophysical Exploration>
+<Geophysical Exploration, connectedTo, Building Code Development>
+<Induced Seismicity Monitoring, connectedTo, Data Archiving and Distribution>
+<Induced Seismicity Monitoring, connectedTo, Geophysical Exploration>
+<Microseismicity Study, warns, P_Wave or S_Wave Distinction>
+<P_Wave or S_Wave Distinction, connectedTo, Induced Seismicity Monitoring>
+<Seismic Array Deployment, connectedTo, Microseismicity Study>
+<Seismic Array Deployment, receives, Building Code Development>
+<Seismic Noise Analysis, connectedTo, Seismic Array Deployment>
diff --git a/test/graphviz/scanned_medium/graphviz_128.txt b/test/graphviz/scanned_medium/graphviz_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe6ff381f8b9e2dc33c939e3c38e191dd0ecc327
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_128.txt
@@ -0,0 +1,25 @@
+<Billing and Revenue Management, consults, Water Scarcity Mitigation>
+<Drought Management, connectedTo, Billing and Revenue Management>
+<Drought Management, partOf, Drought Management>
+<Environmental Flow Assessment, monitors, Piping Network Repair>
+<Environmental Flow Assessment, recycles, Water Scarcity Mitigation>
+<Flood Control, connectedTo, Pollution Source Identification>
+<Flood Control, connectedTo, Water Scarcity Mitigation>
+<Irrigation Management, connectedTo, Water Meter Reading>
+<Piping Network Repair, connectedTo, Irrigation Management>
+<Pollution Source Identification, connectedTo, Billing and Revenue Management>
+<Pollution Source Identification, connectedTo, Water Scarcity Mitigation>
+<Stormwater Management, connectedTo, Flood Control>
+<Wastewater Collection, connectedTo, Pollution Source Identification>
+<Wastewater Collection, connectedTo, Water Scarcity Mitigation>
+<Wastewater Collection, drains, Flood Control>
+<Wastewater Collection, irrigates, Environmental Flow Assessment>
+<Water Conservation Planning, treats, Wastewater Collection>
+<Water Loss Detection, filters, Drought Management>
+<Water Loss Detection, partOf, Water Loss Detection>
+<Water Meter Reading, connectedTo, Stormwater Management>
+<Water Meter Reading, connectedTo, Water Treatment>
+<Water Resource Planning, permits, Water Conservation Planning>
+<Water Rights Management, connectedTo, Water Resource Planning>
+<Water Treatment, connectedTo, Water Loss Detection>
+<Water Treatment, partOf, Water Treatment>
diff --git a/test/graphviz/scanned_medium/graphviz_131.dot b/test/graphviz/scanned_medium/graphviz_131.dot
new file mode 100644
index 0000000000000000000000000000000000000000..350d980a5fff6f8ae388ae93a03454d943be0c40
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_131.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=LR
+	N0 [label="Advanced Sorting Technologies" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Cleaning and Processing" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N2 [label="Electronic Waste Recycling" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N3 [label="Recycling Data Tracking" color="#FF8A65" fillcolor="#FBE9E7" shape=folder style=filled]
+	N4 [label="Closed_Loop Material Flow" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N5 [label="Waste Stream Analysis" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N6 [label="Mechanical Recycling" color="#B0C5CD" fillcolor="#DFE7EB" shape=plaintext style=filled]
+	N7 [label="Product Design for Recyclability" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N8 [label="Metal Recycling" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N9 [label="End_of_Life Product Management" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	S0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Recycling Market Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Public Recycling Programs" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_1 [label="Composting Organic Waste" color="#BA68C8" fillcolor="#F3E5F5" shape=oval style=filled]
+		nest0_2 [label="Chemical Recycling" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label=manufactures color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=recovers color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [label=collects color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=transports color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=tests color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [label=assesses color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label=segregates color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_132.txt b/test/graphviz/scanned_medium/graphviz_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29e38b63ada2df75ec24183b1867e8bf74be89c0
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_132.txt
@@ -0,0 +1,19 @@
+<Circular Economy Implementation, partners, Collection Point Management>
+<Collection Point Management, connectedTo, Waste Audit for Recycling>
+<Composting Organic Waste, partOf, Composting Organic Waste>
+<Composting Organic Waste, supports, Plastic Recycling>
+<Construction Waste Recycling, connectedTo, Composting Organic Waste>
+<Construction Waste Recycling, partOf, Construction Waste Recycling>
+<Glass Recycling, connectedTo, Construction Waste Recycling>
+<Glass Recycling, partOf, Glass Recycling>
+<Metal Recycling, connectedTo, Collection Point Management>
+<Metal Recycling, connectedTo, Waste Stream Analysis>
+<Plastic Recycling, connectedTo, Collection Point Management>
+<Plastic Recycling, partOf, Plastic Recycling>
+<Product Design for Recyclability, connectedTo, Metal Recycling>
+<Recycling Policy Advocacy, connectedTo, Circular Economy Implementation>
+<Recycling Policy Advocacy, connectedTo, Collection Point Management>
+<Recycling Policy Advocacy, connectedTo, Metal Recycling>
+<Recycling Policy Advocacy, connectedTo, Product Design for Recyclability>
+<Waste Stream Analysis, bundles, Glass Recycling>
+<Waste Stream Analysis, connectedTo, Circular Economy Implementation>
diff --git a/test/graphviz/scanned_medium/graphviz_139.txt b/test/graphviz/scanned_medium/graphviz_139.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b28f26a611c2b64f7c9b45de8fca8870dfb470a7
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_139.txt
@@ -0,0 +1,23 @@
+<Behavior Management, connectedTo, Emotional Support>
+<Behavior Management, connectedTo, Individualized Attention>
+<Behavior Management, connectedTo, Preschool Education>
+<Behavior Management, connectedTo, Toddler Activities>
+<Child Development Assessment, connectedTo, Outdoor Exploration>
+<Creative Arts Activities, connectedTo, Toddler Activities>
+<Early Literacy Programs, complies, Behavior Management>
+<Emotional Support, connectedTo, Enrollment and Admissions>
+<Enrollment and Admissions, connectedTo, Parent_Teacher Conferences>
+<Individualized Attention, connectedTo, Creative Arts Activities>
+<Individualized Attention, teaches, Motor Skill Development>
+<Learning Material Selection, connectedTo, Early Literacy Programs>
+<Learning Material Selection, connectedTo, Enrollment and Admissions>
+<Learning Material Selection, connectedTo, Individualized Attention>
+<Learning Material Selection, connectedTo, Preschool Education>
+<Motor Skill Development, connectedTo, Parent Communication>
+<Motor Skill Development, partOf, Motor Skill Development>
+<Nutritional Meal Preparation, accommodates, Learning Material Selection>
+<Outdoor Exploration, maintains, Nutritional Meal Preparation>
+<Parent Communication, connectedTo, Nutritional Meal Preparation>
+<Parent Communication, partOf, Parent Communication>
+<Preschool Education, connectedTo, Emotional Support>
+<Toddler Activities, connectedTo, Preschool Education>
diff --git a/test/graphviz/scanned_medium/graphviz_148.txt b/test/graphviz/scanned_medium/graphviz_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfcbd53880fec4bbf61066198b583302aa44c4dd
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_148.txt
@@ -0,0 +1,24 @@
+<Chaplain Services, connectedTo, Defense Procurement>
+<Defense Procurement, connectedTo, Personnel Management>
+<Defense Procurement, connectedTo, Troop Deployment>
+<Defense Procurement, recruits, Demobilization>
+<Demobilization, assists, Intelligence Gathering>
+<Demobilization, connectedTo, Personnel Management>
+<Demobilization, coordinates, Supply Chain Management>
+<Demobilization, innovates, Family Support Programs>
+<Disaster Relief Deployment, monitors, Surveillance>
+<Disaster Relief Deployment, partOf, Disaster Relief Deployment>
+<Electronic Warfare, researches, Ground Operations>
+<Family Support Programs, connectedTo, Intelligence Gathering>
+<Family Support Programs, connectedTo, Personnel Management>
+<Family Support Programs, connectedTo, Supply Chain Management>
+<Ground Operations, connectedTo, Personnel Management>
+<Ground Operations, connectedTo, Veteran Support>
+<Intelligence Gathering, connectedTo, Supply Chain Management>
+<Supply Chain Management, connectedTo, Personnel Management>
+<Surveillance, connectedTo, Intelligence Gathering>
+<Surveillance, partOf, Surveillance>
+<Troop Deployment, connectedTo, Disaster Relief Deployment>
+<Troop Deployment, partOf, Troop Deployment>
+<Veteran Support, connectedTo, Personnel Management>
+<Veteran Support, rescues, Chaplain Services>
diff --git a/test/graphviz/scanned_medium/graphviz_16.txt b/test/graphviz/scanned_medium/graphviz_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9f1c0e62eb8f823a027d5c316d88fd5b0bf21fe
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_16.txt
@@ -0,0 +1,12 @@
+<Air Quality Monitoring, treats, Emission Reporting>
+<Carbon Footprint Calculation, subsidizes, Environmental Impact Assessment>
+<Climate Modeling, implements, Species Reintroduction>
+<Emission Reporting, licenses, Noise Pollution Measurement>
+<Environmental Impact Assessment, measures, Hazardous Material Handling>
+<Groundwater Monitoring, advises, Carbon Footprint Calculation>
+<Hazardous Material Handling, connectedTo, Pollution Control Technology>
+<Hazardous Material Handling, surveys, Regulatory Compliance>
+<Noise Pollution Measurement, connectedTo, Climate Modeling>
+<Pollution Control Technology, analyzes, Air Quality Monitoring>
+<Species Reintroduction, connectedTo, Noise Pollution Measurement>
+<Species Reintroduction, connectedTo, Regulatory Compliance>
diff --git a/test/graphviz/scanned_medium/graphviz_162.dot b/test/graphviz/scanned_medium/graphviz_162.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e0352817f2cd471e451f8f2b9c08254776c495f
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_162.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=BT
+	N0 [label="Bio_Nanotechnology Interface" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="Risk Assessment of Nanomaterials" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N2 [label=Nanocomposites color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N3 [label="Food Packaging Improvement" color="#9575CD" fillcolor="#EDE7F6" shape=plaintext style=filled]
+	N4 [label=Nanotoxicology color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N5 [label=Nanocoatings color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	S0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#9575CD" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Public Perception of Nanotechnology" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Regulatory Framework for Nanotech" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+		nest0_1 [label=Spintronics color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_2 [label="Nanomedicine Development" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+		nest0_3 [label="Solar Cell Efficiency Enhancement" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=complies color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [label=educates color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [label=engineers color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [label=fabricates color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_169.txt b/test/graphviz/scanned_medium/graphviz_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e3c064a612cb0dab2ffdeff7e282043214624963
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_169.txt
@@ -0,0 +1,18 @@
+<AI Behavior Programming, connectedTo, Asset Creation>
+<AI Behavior Programming, connectedTo, Narrative Design>
+<AI Behavior Programming, sponsors, Anti_Cheat Development>
+<Anti_Cheat Development, streams, Live Operations>
+<Art Direction, connectedTo, Level Design>
+<Art Direction, partOf, Art Direction>
+<Asset Creation, distributes, AI Behavior Programming>
+<Game Performance Optimization, designs, AI Behavior Programming>
+<Game Performance Optimization, engineers, Art Direction>
+<Level Design, connectedTo, Narrative Design>
+<Level Design, partOf, Level Design>
+<Live Operations, connectedTo, Game Performance Optimization>
+<Live Operations, connectedTo, Virtual Reality Gaming>
+<Monetization Strategy, connectedTo, Game Performance Optimization>
+<Narrative Design, connectedTo, Game Performance Optimization>
+<Narrative Design, partOf, Narrative Design>
+<Virtual Reality Gaming, balances, Monetization Strategy>
+<Virtual Reality Gaming, connectedTo, Game Performance Optimization>
diff --git a/test/graphviz/scanned_medium/graphviz_17.txt b/test/graphviz/scanned_medium/graphviz_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f06a6e0f6af423e8bdc64cfb1c4ef1fcd5d4794
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_17.txt
@@ -0,0 +1,10 @@
+<Citizen Feedback, approves, Election Management>
+<Citizen Feedback, connectedTo, Legislation Review>
+<Data Publishing, registers, Public Consultation>
+<Driver's License Renewal, licenses, Veterans Affairs>
+<Election Management, connectedTo, Transparency Audit>
+<ID Verification, subsidizes, Driver's License Renewal>
+<Legislation Review, connectedTo, Data Publishing>
+<Public Consultation, connectedTo, ID Verification>
+<Transparency Audit, connectedTo, Legislation Review>
+<Veterans Affairs, connectedTo, Driver's License Renewal>
diff --git a/test/graphviz/scanned_medium/graphviz_174.dot b/test/graphviz/scanned_medium/graphviz_174.dot
new file mode 100644
index 0000000000000000000000000000000000000000..38d0304bbd91e1fa5af2ccb5aac1a8fcc9788e6e
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_174.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=LR
+	N0 [label="Royalty Collection" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N1 [label="Music Therapy" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N2 [label="Music Production" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N3 [label="Tour Management" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N4 [label="Copyright Management" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N5 [label=Songwriting color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N6 [label="Music Distribution" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N7 [label=Ticketing color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N8 [label="Vocal Performance" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N9 [label="Instrumental Performance" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N10 [label="Beat Making" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N11 [label="Live Sound Engineering" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N12 [label="Fan Engagement Strategy" color="#A188D0" fillcolor="#DACBE3" shape=folder style=filled]
+	N13 [label="Music Education" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	M0 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Music Theory Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Arrangement color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest0_1 [label="Artist Management" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest0_2 [label=Recording color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest0_3 [label="Lyric Writing" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=synthesizes color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=analyzes color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=publishes color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=engineers color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [label=arranges color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [label=manages color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N0 -> N10 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N13 -> N5 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_178.txt b/test/graphviz/scanned_medium/graphviz_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..07be67f37ad6c97ead76a9437dd25bc8544b76e8
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_178.txt
@@ -0,0 +1,24 @@
+<Audience Analysis, connectedTo, Fact_Checking>
+<Audio Recording, connectedTo, Research and Outline>
+<Audio Recording, partOf, Audio Recording>
+<Blog Post Writing, supports, Audience Analysis>
+<Content Localization, connectedTo, Content Repurposing>
+<Content Strategy Development, connectedTo, Content Localization>
+<Copywriting, connectedTo, Content Strategy Development>
+<Distribution Planning, connectedTo, Videography>
+<Drafting Content, collaborates, Video Scripting>
+<Editing and Proofreading, connectedTo, Copywriting>
+<Editing and Proofreading, connectedTo, Social Media Post Creation>
+<Editing and Proofreading, streams, Audio Recording>
+<Fact_Checking, connectedTo, Copywriting>
+<Fact_Checking, connectedTo, Drafting Content>
+<Interview Conduct, edits, Editing and Proofreading>
+<Research and Outline, connectedTo, Content Strategy Development>
+<Research and Outline, partOf, Research and Outline>
+<Social Media Post Creation, animates, Video Scripting>
+<Social Media Post Creation, connectedTo, Audience Analysis>
+<Social Media Post Creation, connectedTo, Blog Post Writing>
+<Social Media Post Creation, connectedTo, Fact_Checking>
+<Social Media Post Creation, connectedTo, Videography>
+<Video Scripting, connectedTo, Distribution Planning>
+<Videography, localizes, Copywriting>
diff --git a/test/graphviz/scanned_medium/graphviz_182.txt b/test/graphviz/scanned_medium/graphviz_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a500c025bb88656cba7a99f7a138e196d11fac33
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_182.txt
@@ -0,0 +1,23 @@
+<Big Data Processing, connectedTo, Data Visualization>
+<Big Data Processing, connectedTo, Financial Data Analysis>
+<Dashboard Creation, collects, Data Visualization>
+<Dashboard Creation, queries, Data Warehouse Design>
+<Data Governance, connectedTo, A or B Testing Analysis>
+<Data Transformation, connectedTo, Sales Performance Analysis>
+<Data Visualization, connectedTo, Data Governance>
+<Data Warehouse Design, connectedTo, Time Series Forecasting>
+<Data Warehouse Design, connectedTo, Web Analytics>
+<Exploratory Data Analysis, connectedTo, Financial Data Analysis>
+<Exploratory Data Analysis, partOf, Exploratory Data Analysis>
+<Financial Data Analysis, connectedTo, Dashboard Creation>
+<Financial Data Analysis, optimizes, Data Visualization>
+<Machine Learning Integration, connectedTo, Statistical Modeling>
+<Sales Performance Analysis, connectedTo, Machine Learning Integration>
+<Sales Performance Analysis, connectedTo, Statistical Modeling>
+<Sales Performance Analysis, visualizes, Data Visualization>
+<Sentiment Analysis, connectedTo, Exploratory Data Analysis>
+<Sentiment Analysis, partOf, Sentiment Analysis>
+<Statistical Modeling, connectedTo, Big Data Processing>
+<Time Series Forecasting, mines, Sentiment Analysis>
+<Time Series Forecasting, partOf, Time Series Forecasting>
+<Web Analytics, connectedTo, Data Visualization>
diff --git a/test/graphviz/scanned_medium/graphviz_195.dot b/test/graphviz/scanned_medium/graphviz_195.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cec18b505782c054b0c4779653af56ead8e9da4e
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_195.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=TD
+	N0 [label="Decentralized Network Design" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Sidechains and Layer 2 Solutions" color="#26A69A" fillcolor="#E0F2F1" shape=octagon style=filled]
+	N2 [label="Governance Models for Blockchains" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Blockchain Node Operation" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N4 [label="Financial Asset Tokenization" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N5 [label="Sharding Implementation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N6 [label="Interoperability Solutions" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	S0 [label="" color="#FF5722" fillcolor="#FFCCBC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Cross_Border Payments" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cryptographic Hashing" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+		nest0_1 [label="Security Auditing for Blockchains" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+		nest0_2 [label="Distributed Ledger Technology" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+		nest0_3 [label="Digital Identity Management" color="#26A69A" fillcolor="#E0F2F1" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [label="ensures compliance" color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label="generates hashes" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="distributes ledgers" color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N4 [label="performs KYCs" color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_199.txt b/test/graphviz/scanned_medium/graphviz_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f83dc4550b7edb4ae562bc366411cc2a24b38844
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_199.txt
@@ -0,0 +1,27 @@
+<Backer Communication, connectedTo, Financial Projection Analysis>
+<Backer Communication, partOf, Backer Communication>
+<Community Building, connectedTo, Logistics for Rewards>
+<Community Building, promotes campaigns, Goal Setting>
+<Debt Crowdfunding, connectedTo, Due Diligence for Projects>
+<Due Diligence for Projects, connectedTo, Logistics for Rewards>
+<Financial Projection Analysis, connectedTo, Securities Regulations Adherence>
+<Financial Projection Analysis, partOf, Financial Projection Analysis>
+<Goal Setting, analyzes data, Press Outreach>
+<Goal Setting, connectedTo, Intellectual Property Protection>
+<Goal Setting, produces content, Logistics for Rewards>
+<Intellectual Property Protection, connectedTo, Tax Implications of Crowdfunding>
+<Logistics for Rewards, sends emails, Customer Support for Backers>
+<Pitch Deck Preparation, adheres to regulations, Logistics for Rewards>
+<Pitch Deck Preparation, connectedTo, Customer Support for Backers>
+<Pitch Deck Preparation, connectedTo, Logistics for Rewards>
+<Pitch Deck Preparation, develops products, Logistics for Rewards>
+<Pitch Deck Preparation, ensures compliance, Due Diligence for Projects>
+<Pitch Deck Preparation, handles logistics, Debt Crowdfunding>
+<Press Outreach, connectedTo, Backer Communication>
+<Press Outreach, partOf, Press Outreach>
+<Reward Tier Design, connectedTo, Securities Regulations Adherence>
+<Reward Tier Design, performs due diligence, Logistics for Rewards>
+<Reward_Based Crowdfunding, connectedTo, Pitch Deck Preparation>
+<Securities Regulations Adherence, connectedTo, Community Building>
+<Tax Implications of Crowdfunding, connectedTo, Logistics for Rewards>
+<Tax Implications of Crowdfunding, connectedTo, Reward_Based Crowdfunding>
diff --git a/test/graphviz/scanned_medium/graphviz_210.txt b/test/graphviz/scanned_medium/graphviz_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7733b3329804cbb5113bf30537a8554eef3224e2
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_210.txt
@@ -0,0 +1,21 @@
+<Cloud Automation, connectedTo, Cloud Native Application Development>
+<Cloud Automation, provides APIs, Cloud Vendor Lock_in Mitigation>
+<Cloud Backup Solutions, connectedTo, Infrastructure as a Service>
+<Cloud Backup Solutions, partOf, Cloud Backup Solutions>
+<Cloud Firewall Configuration, connectedTo, Cloud Native Application Development>
+<Cloud Firewall Configuration, orchestrates Kubernetes, Multi_Cloud Management>
+<Cloud Native Application Development, develops cloud_native apps, Cloud FinOps>
+<Cloud Security, connectedTo, Cost Optimization in Cloud>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Cloud Backup Solutions>
+<Cloud Vendor Lock_in Mitigation, partOf, Cloud Vendor Lock_in Mitigation>
+<Cost Optimization in Cloud, connectedTo, Cloud Automation>
+<Cost Optimization in Cloud, connectedTo, Cloud FinOps>
+<Cost Optimization in Cloud, manages VMs, Cloud Native Application Development>
+<Edge_to_Cloud Integration, connectedTo, Multi_Cloud Management>
+<Edge_to_Cloud Integration, partOf, Edge_to_Cloud Integration>
+<Infrastructure as a Service, connectedTo, Edge_to_Cloud Integration>
+<Infrastructure as a Service, partOf, Infrastructure as a Service>
+<Multi_Cloud Management, configures networks, Cloud Native Application Development>
+<Multi_Cloud Management, connectedTo, Cloud Native Application Development>
+<Multi_Cloud Management, connectedTo, Cloud Security>
+<Multi_Cloud Management, provides IaaS, Cloud Automation>
diff --git a/test/graphviz/scanned_medium/graphviz_214.dot b/test/graphviz/scanned_medium/graphviz_214.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d942e81837febd0df69ad24988b584d46f8ca544
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_214.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TD
+	N0 [label="Infrastructure as Code" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Serverless Deployment" color="#607D8B" fillcolor="#CFD8DC" shape=octagon style=filled]
+	N2 [label="Infrastructure Provisioning" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N3 [label="Cloud Native Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N4 [label="Feedback Loops" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N5 [label="Continuous Integration" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N6 [label="Monitoring and Logging" color="#607D8B" fillcolor="#CFD8DC" shape=octagon style=filled]
+	N7 [label="Canary Releases" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	S0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Cost Optimization in Cloud DevOps" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=ChatOps color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_1 [label=Containerization color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+		nest0_2 [label="Release Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="manages versions" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="manages immutable infrastructure" color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="monitors applications" color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [label="automates pipelines" color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N4 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [label="fosters collaboration" color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_22.dot b/test/graphviz/scanned_medium/graphviz_22.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ee2391953e3abe4e4656b802a98830e5c1fd43a4
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_22.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Zero Trust Architecture" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N1 [label="Incident Response" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N2 [label="Intrusion Prevention" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N3 [label="Threat Detection" color="#82DAFF" fillcolor="#C8EDFF" shape=oval style=filled]
+	N4 [label="Application Security" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N5 [label="Data Encryption" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N6 [label="Security Audit" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N7 [label="DevSecOps Integration" color="#AABEC6" fillcolor="#E0E6E9" shape=oval style=filled]
+	N8 [label="Malware Analysis" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N9 [label="Threat Intelligence Gathering" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N10 [label="Cryptography Implementation" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N11 [label="Identity Management" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N0 -> N1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=detects color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=designs color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=authenticates color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=integrates color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N6 [label=trains color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_226.dot b/test/graphviz/scanned_medium/graphviz_226.dot
new file mode 100644
index 0000000000000000000000000000000000000000..da9da808d13d140524fada526bd6629a08100e57
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_226.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=RL
+	N0 [label="Follower Growth Monitoring" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N1 [label="Engagement Rate Calculation" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N2 [label="Influencer Collaboration" color="#C0CA33" fillcolor="#F9FBE7" shape=oval style=filled]
+	N3 [label="User_Generated Content Curation" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Reputation Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N5 [label="Social Listening" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N6 [label="Competitor Analysis" color="#C2B2F0" fillcolor="#EFE6FF" shape=octagon style=filled]
+	N7 [label="Platform Algorithm Understanding" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N8 [label="Campaign Management" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N9 [label="Live Streaming on Social Media" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	S0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Community Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Platform Selection" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+		nest0_1 [label="Content Creation" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+		nest0_2 [label="Customer Service on Social Media" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="manages messages" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="tracks performance" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="develops crisis plans" color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [label="conducts social audits" color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N9 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label="manages crises" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label="builds groups" color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_231.txt b/test/graphviz/scanned_medium/graphviz_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5fefbd48460bd4f9c8bd1c102894b7ba9323efa8
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_231.txt
@@ -0,0 +1,20 @@
+<Algorithm Updates Monitoring, connectedTo, Penalties Recovery>
+<Algorithm Updates Monitoring, connectedTo, User Experience for Search>
+<Algorithm Updates Monitoring, indexes videos, Content Quality Assessment>
+<Competitor Keyword Analysis, connectedTo, Indexing Content>
+<Competitor Keyword Analysis, connectedTo, Paid Search Advertising>
+<Competitor Keyword Analysis, uses search console, Negative SEO Prevention>
+<Featured Snippets Optimization, connectedTo, Indexing Content>
+<Featured Snippets Optimization, partOf, Featured Snippets Optimization>
+<Indexing Content, connectedTo, Algorithm Updates Monitoring>
+<International SEO, connectedTo, Indexing Content>
+<International SEO, connectedTo, Negative SEO Prevention>
+<International SEO, generates featured snippets, Competitor Keyword Analysis>
+<Negative SEO Prevention, connectedTo, Indexing Content>
+<On_Page SEO, connectedTo, Featured Snippets Optimization>
+<On_Page SEO, partOf, On_Page SEO>
+<Paid Search Advertising, connectedTo, Indexing Content>
+<Paid Search Advertising, connectedTo, Negative SEO Prevention>
+<Paid Search Advertising, connectedTo, On_Page SEO>
+<Penalties Recovery, connectedTo, User Experience for Search>
+<User Experience for Search, connectedTo, Content Quality Assessment>
diff --git a/test/graphviz/scanned_medium/graphviz_236.dot b/test/graphviz/scanned_medium/graphviz_236.dot
new file mode 100644
index 0000000000000000000000000000000000000000..20b3a25b3ab7a42d2461f60603687a877819a662
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_236.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=LR
+	N0 [label="Gamification in Education" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N1 [label="Online Tutoring" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N2 [label="Virtual Labs and Simulations" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+	N3 [label="Virtual Classroom Facilitation" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N4 [label="AI in Online Education" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N5 [label="Bootcamp Development" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N6 [label="Assessment Design" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+	N7 [label="Collaborative Projects" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	S0 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Micro_credential Programs" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Accreditation Management" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_1 [label="Blended Learning Models" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+		nest0_2 [label="Digital Badges" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+		nest0_3 [label="Personalized Learning Paths" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label="simulates labs" color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="uses blockchain for credentials" color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="gamifies experiences" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [label="manages student info" color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [label="integrates robotics" color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label="administers assessments" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [label="issues certificates" color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_237.dot b/test/graphviz/scanned_medium/graphviz_237.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3c1fa8c368ec45a7f1f4a6e022dd0918f4415245
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_237.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=LR
+	N0 [label="Adaptive Learning Technologies" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N1 [label="Peer_to_Peer Learning" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N2 [label="Interactive Learning Activities" color="#03A9F4" fillcolor="#B3E5FC" shape=plaintext style=filled]
+	N3 [label="Virtual Field Trips" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N4 [label="Personalized Learning Paths" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="Blended Learning Models" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N6 [label="Professional Development Courses" color="#7E57C2" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N7 [label="Feedback and Grading" color="#7E57C2" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N8 [label="Certification Issuance" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N9 [label="Open Educational Resources Integration" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N10 [label="Assessment Design" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N11 [label="Asynchronous Learning" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	S0 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Test Preparation Courses" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Virtual Classroom Facilitation" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+		nest0_1 [label="Student Progress Tracking" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="engages parents" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label="provides formative assessment" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="analyzes learning data" color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label="protects data privacy" color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [label="ensures accessibility" color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_240.dot b/test/graphviz/scanned_medium/graphviz_240.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eed23c04194106e80cd884faaf664619d666526b
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_240.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=RL
+	N0 [label="Learner Support" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N1 [label="Course Audit Options" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N2 [label="Career Pathway Mapping" color="#E0E0E0" fillcolor="#EBEBEB" shape=folder style=filled]
+	N3 [label="Self_Paced Learning Tracks" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+	N4 [label="Certificate of Completion Issuance" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N5 [label="Global Accessibility Features" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N6 [label="Course Promotion" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N7 [label="Assessment Creation" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N8 [label="Forum Moderation" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N9 [label="Platform Selection" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N10 [label="Course Content Development" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Financial Aid for Learners" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Marketing to Global Audience" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+		nest0_1 [label="Peer Grading Implementation" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+		nest0_2 [label="Skill_Based Learning Outcomes" color="#E0E0E0" fillcolor="#EBEBEB" shape=octagon style=filled]
+		nest0_3 [label="Content Licensing" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label="provides forums" color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="manages registrations" color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="funds development" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label="personalizes learning" color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [label="secures data" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_240.txt b/test/graphviz/scanned_medium/graphviz_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..442244e821c8363869bab4c53a6d4b2930af7406
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_240.txt
@@ -0,0 +1,23 @@
+<Assessment Creation, connectedTo, Forum Moderation>
+<Career Pathway Mapping, manages registrations, Self_Paced Learning Tracks>
+<Certificate of Completion Issuance, connectedTo, Global Accessibility Features>
+<Content Licensing, connectedTo, Career Pathway Mapping>
+<Content Licensing, partOf, Content Licensing>
+<Course Audit Options, connectedTo, Course Content Development>
+<Course Audit Options, provides forums, Career Pathway Mapping>
+<Course Promotion, connectedTo, Assessment Creation>
+<Forum Moderation, connectedTo, Platform Selection>
+<Global Accessibility Features, connectedTo, Course Content Development>
+<Global Accessibility Features, funds development, Course Promotion>
+<Global Accessibility Features, secures data, Marketing to Global Audience>
+<Learner Support, connectedTo, Course Audit Options>
+<Marketing to Global Audience, connectedTo, Peer Grading Implementation>
+<Marketing to Global Audience, partOf, Marketing to Global Audience>
+<Peer Grading Implementation, connectedTo, Skill_Based Learning Outcomes>
+<Peer Grading Implementation, partOf, Peer Grading Implementation>
+<Platform Selection, personalizes learning, Course Content Development>
+<Self_Paced Learning Tracks, connectedTo, Certificate of Completion Issuance>
+<Self_Paced Learning Tracks, connectedTo, Course Content Development>
+<Self_Paced Learning Tracks, connectedTo, Platform Selection>
+<Skill_Based Learning Outcomes, connectedTo, Content Licensing>
+<Skill_Based Learning Outcomes, partOf, Skill_Based Learning Outcomes>
diff --git a/test/graphviz/scanned_medium/graphviz_241.txt b/test/graphviz/scanned_medium/graphviz_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ec7fad2d3016dcd76acf67c0447c1f3dfd74610
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_241.txt
@@ -0,0 +1,37 @@
+<AML Screening, connectedTo, Account Closure>
+<AML Screening, connectedTo, Financial Reporting>
+<Account Closure, connectedTo, Blockchain Verification>
+<Account Closure, connectedTo, Collateral Evaluation>
+<Account Closure, connectedTo, Fraud Check>
+<Account Closure, connectedTo, Wealth Management>
+<Asset Management, connectedTo, Fraud Check>
+<Blockchain Verification, connectedTo, Asset Management>
+<Blockchain Verification, connectedTo, Credit Scoring>
+<Blockchain Verification, connectedTo, Securities Trading>
+<Blockchain Verification, disburses, Financial Reporting>
+<Blockchain Verification, manages, Fraud Check>
+<Collateral Evaluation, connectedTo, Securities Trading>
+<Credit Scoring, allocates, Fraud Check>
+<Credit Scoring, connectedTo, Collateral Evaluation>
+<Credit Scoring, connectedTo, Financial Reporting>
+<Credit Scoring, connectedTo, Fraud Check>
+<Credit Scoring, connectedTo, Treasury Management>
+<Cryptocurrency Exchange, connectedTo, Investment Planning>
+<Cryptocurrency Exchange, partOf, Cryptocurrency Exchange>
+<Dispute Resolution, connectedTo, Cryptocurrency Exchange>
+<Dispute Resolution, partOf, Dispute Resolution>
+<Financial Reporting, funds, Collateral Evaluation>
+<Fraud Check, connectedTo, Collateral Evaluation>
+<Fraud Check, connectedTo, Financial Reporting>
+<Investment Planning, connectedTo, Credit Scoring>
+<Investment Planning, partOf, Investment Planning>
+<Portfolio Management, connectedTo, Credit Scoring>
+<Portfolio Management, partOf, Portfolio Management>
+<Transaction Logging, partOf, Transaction Logging>
+<Transaction Logging, restructures, Dispute Resolution>
+<Treasury Management, connectedTo, Asset Management>
+<Treasury Management, connectedTo, Financial Reporting>
+<Treasury Management, connectedTo, Fraud Check>
+<Treasury Management, connectedTo, Transaction Logging>
+<Wealth Management, connectedTo, Portfolio Management>
+<Wealth Management, partOf, Wealth Management>
diff --git a/test/graphviz/scanned_medium/graphviz_246.txt b/test/graphviz/scanned_medium/graphviz_246.txt
new file mode 100644
index 0000000000000000000000000000000000000000..149373cc86f76e809513781774142e820f1f6686
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_246.txt
@@ -0,0 +1,43 @@
+<Accident Reconstruction, connectedTo, Cargo Loading>
+<Bridge Inspection, connectedTo, Boarding>
+<Bus Stop Management, connectedTo, Weather Impact Assessment>
+<Bus Stop Management, partOf, Bus Stop Management>
+<Cargo Loading, connectedTo, Location Input>
+<Cargo Loading, connectedTo, Weather Impact Assessment>
+<Cargo Loading, fuels, Load Balancing>
+<Customs Clearance, connectedTo, Driver Allocation>
+<Customs Clearance, connectedTo, Fleet Management>
+<Customs Clearance, connectedTo, Platform Assignment>
+<Customs Clearance, connectedTo, Weather Impact Assessment>
+<Delay Alert, connectedTo, Weather Impact Assessment>
+<Driver Allocation, connectedTo, Passenger Feedback>
+<Emergency Landing, audits, Bus Stop Management>
+<Emergency Landing, partOf, Emergency Landing>
+<Fare Calculation, boards, Vehicle Assignment>
+<Fleet Management, connectedTo, Bridge Inspection>
+<Incident Report, connectedTo, Vehicle Assignment>
+<Incident Report, partOf, Incident Report>
+<Load Balancing, connectedTo, Customs Clearance>
+<Load Balancing, coordinates, Passenger Boarding Pass Issuance>
+<Location Input, connectedTo, Emergency Landing>
+<Location Input, partOf, Location Input>
+<Parking Management, arrives, Boarding>
+<Parking Management, connectedTo, Bridge Inspection>
+<Parking Management, connectedTo, Delay Alert>
+<Parking Management, connectedTo, Weather Impact Assessment>
+<Passenger Boarding Pass Issuance, logs, Incident Report>
+<Passenger Boarding Pass Issuance, partOf, Passenger Boarding Pass Issuance>
+<Passenger Feedback, connectedTo, Parking Management>
+<Platform Assignment, inspects, Driver Allocation>
+<Public Transport Ticketing, connectedTo, Fleet Management>
+<Road Network Management, connectedTo, Accident Reconstruction>
+<Road Network Management, connectedTo, Cargo Loading>
+<Road Network Management, connectedTo, Parking Management>
+<Road Network Management, connectedTo, Passenger Feedback>
+<Road Network Management, connectedTo, Vehicle Tracking>
+<Schedule Generation, connectedTo, Road Network Management>
+<Vehicle Assignment, connectedTo, Accident Reconstruction>
+<Vehicle Assignment, connectedTo, Schedule Generation>
+<Vehicle Assignment, connectedTo, Weather Impact Assessment>
+<Vehicle Tracking, connectedTo, Accident Reconstruction>
+<Weather Impact Assessment, connectedTo, Public Transport Ticketing>
diff --git a/test/graphviz/scanned_medium/graphviz_248.dot b/test/graphviz/scanned_medium/graphviz_248.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6d1f9f6d36accc46949cb59063614deb85a0dfa8
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_248.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=LR
+	N0 [label="Settlement Negotiation" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Divorce Proceedings" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N2 [label="Bankruptcy Filing" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N3 [label="Pre_Trial Hearing" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N4 [label="Bail Hearing" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N5 [label="Child Custody" color="#B0C5CD" fillcolor="#DFE7EB" shape=plaintext style=filled]
+	N6 [label="Judgment Writing" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N7 [label="Regulatory Compliance Review" color="#AED581" fillcolor="#F0F4C3" shape=folder style=filled]
+	N8 [label="Plea Bargain" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N9 [label="Verdict Announcement" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N10 [label="Patent Application" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N11 [label=Enforcement color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N12 [label="Legal Consultation" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N13 [label="Evidence Collection" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N14 [label="Amicus Brief Submission" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	S0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Copyright Infringement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Client Interview" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+		nest0_1 [label="Closing Argument" color="#5C6BC0" fillcolor="#E8EAF6" shape=octagon style=filled]
+		nest0_2 [label="Estate Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Intel Property Licensing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Jury Selection" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest1_1 [label="Legal Aid Assistance" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+		nest1_2 [label="Immigration Petition" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=executes color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N10 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N11 -> nest1_0 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N9 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=complies color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_26.dot b/test/graphviz/scanned_medium/graphviz_26.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c681ede468fb064ec77bc38235b3d2c8a98558ee
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_26.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TD
+	N0 [label="Sales and Marketing Strategy" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Preclinical Testing" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N2 [label="Good Manufacturing Practices" color="#6FE1D5" fillcolor="#C9EFEC" shape=plaintext style=filled]
+	N3 [label="Sterile Product Filling" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N4 [label="Process Validation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N5 [label="Manufacturing Scale_up" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N6 [label="Post_Approval Commitment Tracking" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N7 [label="Intellectual Property Litigation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N8 [label="Injectable Drug Manufacturing" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N9 [label="Compound Synthesis" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N0 -> N1 [label=stores color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=advises color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=consults color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=formulates color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=approves color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=recalls color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N0 [label=evaluates color="#F44336" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_272.dot b/test/graphviz/scanned_medium/graphviz_272.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e9ea258d5880a376ab8442cda7c0ec53b4d3b7af
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_272.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=BT
+	N0 [label="Design Sketching" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N1 [label=Styling color="#AED581" fillcolor="#F0F4C3" shape=octagon style=filled]
+	N2 [label="Seasonal Collection Planning" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N3 [label="Trend Research" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N4 [label="Textile Manufacturing" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N5 [label="Fabric Innovation" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N6 [label="Garment Production" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N7 [label="Marketing Campaign" color="#E91E63" fillcolor="#F8BBD0" shape=plaintext style=filled]
+	N8 [label="Haute Couture Creation" color="#E91E63" fillcolor="#F8BBD0" shape=Mdiamond style=filled]
+	N9 [label="Brand Building" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N10 [label="Footwear Production" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N11 [label="Global Sourcing Strategy" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N12 [label="Custom Apparel Design" color="#AED581" fillcolor="#F0F4C3" shape=oval style=filled]
+	N13 [label="Customer Loyalty Programs" color="#AED581" fillcolor="#F0F4C3" shape=plaintext style=filled]
+	N14 [label="Ready_to_Wear Collection Launch" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N15 [label="Brand Licensing" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S1 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Intellectual Property Protection" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sustainable Fashion Practices" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_1 [label="Embroidery and Embellishment" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+		nest0_2 [label="Material Sourcing" color="#AED581" fillcolor="#F0F4C3" shape=oval style=filled]
+		nest0_3 [label="Pattern Making" color="#E91E63" fillcolor="#F8BBD0" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Retail Sales" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label=Packaging color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+		nest1_1 [label="Quality Check" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [label=collaborates color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest1_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N11 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N12 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N15 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_273.dot b/test/graphviz/scanned_medium/graphviz_273.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a6278d668b298bd63f720101f008830611e539ed
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_273.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=RL
+	N0 [label="Interview Scheduling" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label="Team Building Activities" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N2 [label="Employee Training" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N3 [label="Diversity and Inclusion Initiatives" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N4 [label="Performance Appraisal" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N5 [label="HR Budgeting" color="#388E3C" fillcolor="#C8E6C9" shape=folder style=filled]
+	N6 [label="HR Analytics" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N7 [label="Onboarding Process" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N8 [label="Work_Life Balance Initiatives" color="#388E3C" fillcolor="#C8E6C9" shape=folder style=filled]
+	N9 [label="Job Posting" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N10 [label="Grievance Handling" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N11 [label="Wellness Programs" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N12 [label="Exit Interviews" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N13 [label="Organizational Development" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N14 [label="Leave Management" color="#42A5F5" fillcolor="#F1F8FF" shape=Mdiamond style=filled]
+	N15 [label="Employee Handbook Creation" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N16 [label="Recruitment Planning" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+	N17 [label="Employee Recognition Programs" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N18 [label="Conflict Resolution" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N19 [label="Employee Relations" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	S1 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#388E3C" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Change Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="HR Information System Implementation" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+		nest0_1 [label="HR Policy Development" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest0_2 [label="Offer Management" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Employee Data Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Remote Work Policy" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest1_1 [label="Compliance Management" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=reports color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=develops color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=hires color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N16 -> N17 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N18 -> N19 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N15 -> nest1_0 [label=terminates color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=onboards color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [label=compensates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N19 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_274.txt b/test/graphviz/scanned_medium/graphviz_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..71da9224e65f4ea8ca5f7041c0980efc393503a9
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_274.txt
@@ -0,0 +1,34 @@
+<AI in Recruitment, posts, Talent Pipeline Building>
+<Applicant Tracking System Management, connectedTo, AI in Recruitment>
+<Applicant Tracking System Management, connectedTo, Compliance in Hiring>
+<Applicant Tracking System Management, connectedTo, Reference Checking>
+<Applicant Tracking System Management, connectedTo, Talent Pipeline Building>
+<Background Check, connectedTo, Headhunting>
+<Background Check, partOf, Background Check>
+<Campus Recruitment, connectedTo, Negotiation>
+<Campus Recruitment, connectedTo, Recruitment Metrics Reporting>
+<Candidate Experience Management, connectedTo, Passive Candidate Engagement>
+<Candidate Experience Management, connectedTo, Video Interviewing>
+<Candidate Screening, connectedTo, AI in Recruitment>
+<Candidate Screening, connectedTo, Campus Recruitment>
+<Candidate Screening, connectedTo, Recruitment Metrics Reporting>
+<Compliance in Hiring, connectedTo, AI in Recruitment>
+<Compliance in Hiring, connectedTo, Recruitment Metrics Reporting>
+<Compliance in Hiring, connectedTo, Talent Pipeline Building>
+<Compliance in Hiring, connectedTo, Temporary Staffing>
+<Headhunting, partOf, Headhunting>
+<Headhunting, protects, AI in Recruitment>
+<Negotiation, connectedTo, Candidate Experience Management>
+<Offer Extension, connectedTo, Talent Pipeline Building>
+<Offer Extension, partOf, Offer Extension>
+<Passive Candidate Engagement, connectedTo, Recruitment Marketing>
+<Passive Candidate Engagement, partOf, Passive Candidate Engagement>
+<Recruitment Marketing, connectedTo, Offer Extension>
+<Recruitment Marketing, partOf, Recruitment Marketing>
+<Reference Checking, connectedTo, Background Check>
+<Reference Checking, connectedTo, Recruitment Metrics Reporting>
+<Talent Pipeline Building, connectedTo, Recruitment Metrics Reporting>
+<Talent Pipeline Building, connectedTo, Temporary Staffing>
+<Temporary Staffing, regulates, Reference Checking>
+<Video Interviewing, connectedTo, AI in Recruitment>
+<Video Interviewing, connectedTo, Applicant Tracking System Management>
diff --git a/test/graphviz/scanned_medium/graphviz_277.dot b/test/graphviz/scanned_medium/graphviz_277.dot
new file mode 100644
index 0000000000000000000000000000000000000000..431a0eadf36857cb85a4df9e25bab385be4f3750
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_277.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=BT
+	N0 [label="Mine Planning" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Drilling and Blasting" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N2 [label="Feasibility Study" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N3 [label="Ore Sorting" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N4 [label="Community Relations" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N5 [label="Exploration Drilling" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N6 [label=Reclamation color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N7 [label="Ore Extraction" color="#94C0C0" fillcolor="#CADEDE" shape=plaintext style=filled]
+	N8 [label=Exploration color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N9 [label=Refining color="#94C0C0" fillcolor="#CADEDE" shape=octagon style=filled]
+	N10 [label="Robotics in Mining" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N11 [label="Water Management" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	S0 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Geological Survey" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Product Marketing" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest0_1 [label="Noise Management" color="#94C0C0" fillcolor="#CADEDE" shape=folder style=filled]
+		nest0_2 [label="Emergency Response Planning" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Safety Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Autonomous Haulage Systems" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+		nest1_1 [label="Mineral Processing" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=grinds color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest1_0 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N10 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N2 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=maintains color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N8 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_282.dot b/test/graphviz/scanned_medium/graphviz_282.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7c9e95d76157d1292629c2dad1e99d423b3fb2b1
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_282.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=RL
+	N0 [label="Community Recycling Programs" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N1 [label="Waste Management Policy Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N2 [label="Landfill Operation" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N3 [label="Material Recovery Facility Operation" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N4 [label="Waste Collection" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N5 [label="Illegal Dumping Monitoring" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N6 [label="Smart Waste Bins" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N7 [label="Closed_Loop Systems" color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+	N8 [label="Anaerobic Digestion" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N9 [label=Composting color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N10 [label="Waste Logistics Optimization" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N11 [label="Biomedical Waste Handling" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+	N12 [label="Waste Incineration" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N13 [label="Circular Economy Initiatives" color="#4DD0E1" fillcolor="#C9F0F0" shape=octagon style=filled]
+	N14 [label="Paper Recycling" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N15 [label="Waste Characterization Study" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N16 [label="Organics Collection" color="#4285F4" fillcolor="#D0E0F8" shape=octagon style=filled]
+	N17 [label="Plastic Recycling Technologies" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Glass Recycling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Landfill Gas Collection" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+		nest0_1 [label="Waste Audit" color="#4285F4" fillcolor="#D0E0F8" shape=oval style=filled]
+		nest0_2 [label="Zero Waste Initiatives" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Resource Recovery" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Textile Recycling" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+		nest1_1 [label="Transfer Station Management" color="#92C79A" fillcolor="#E8F0EA" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N16 -> N17 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N13 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N14 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N6 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N16 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N9 -> S1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	nest1_0 -> N1 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_283.dot b/test/graphviz/scanned_medium/graphviz_283.dot
new file mode 100644
index 0000000000000000000000000000000000000000..acb6fdfabaa5c2310a20ed3c125606cebf0265ed
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_283.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=LR
+	N0 [label="Water Treatment" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N1 [label="Flood Control" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+	N2 [label="Industrial Water Use Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N3 [label="Aquifer Recharge" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N4 [label="Wastewater Collection" color="#FFCC7A" fillcolor="#FFF6D9" shape=octagon style=filled]
+	N5 [label="Water Quality Monitoring" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N6 [label="Drinking Water Standards Compliance" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N7 [label="Irrigation Management" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N8 [label="Pollution Source Identification" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N9 [label="Water Rights Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+	N10 [label="Hydroelectric Power Generation" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N11 [label="Water Loss Detection" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N12 [label="Water Meter Reading" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N13 [label="Public Awareness Campaigns" color="#FFCC7A" fillcolor="#FFF6D9" shape=octagon style=filled]
+	N14 [label="Watershed Management" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N15 [label="Piping Network Repair" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N16 [label="Environmental Flow Assessment" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AF56A6" fillcolor="#DDCEDD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Stormwater Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Water Source Identification" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest0_1 [label="Water Infrastructure Maintenance" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+		nest0_2 [label=Desalination color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Dam Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Groundwater Management" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+		nest1_1 [label="Greywater Recycling" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest1_2 [label="Billing and Revenue Management" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+		nest1_3 [label="Smart Water Networks" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [label=secures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [label=tests color="#000000" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N15 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N1 [label=models color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [label=maintains color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N8 -> S2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N15 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [label=plans color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_287.txt b/test/graphviz/scanned_medium/graphviz_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b691d1121f05d07cb7ec30df83913b7b24b624b9
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_287.txt
@@ -0,0 +1,39 @@
+<Child Development Assessment, connectedTo, Enrollment and Admissions>
+<Curriculum Planning, connectedTo, Child Development Assessment>
+<Curriculum Planning, connectedTo, Early Literacy Programs>
+<Curriculum Planning, connectedTo, Sensory Play>
+<Curriculum Planning, connectedTo, Teacher_Child Ratio Management>
+<Early Literacy Programs, connectedTo, Teacher_Child Ratio Management>
+<Emergency Evacuation Drills, connectedTo, Child Development Assessment>
+<Emergency Evacuation Drills, connectedTo, Diaper Changing>
+<Emergency Evacuation Drills, connectedTo, Early Literacy Programs>
+<Emergency Evacuation Drills, disciplines, Teacher_Child Ratio Management>
+<Emergency Evacuation Drills, maintains, Early Literacy Programs>
+<Emergency Evacuation Drills, prepares, Playground Safety Inspection>
+<Emotional Support, connectedTo, Special Needs Accommodation>
+<Emotional Support, partOf, Emotional Support>
+<Enrollment and Admissions, connectedTo, Outdoor Exploration>
+<Enrollment and Admissions, trains, Sensory Play>
+<Group Activities Coordination, connectedTo, Child Development Assessment>
+<Group Activities Coordination, connectedTo, Early Literacy Programs>
+<Group Activities Coordination, connectedTo, Emergency Evacuation Drills>
+<Group Activities Coordination, connectedTo, Toddler Activities>
+<Infant Care, connectedTo, Learning Material Selection>
+<Infant Care, partOf, Infant Care>
+<Learning Material Selection, connectedTo, Child Development Assessment>
+<Learning Material Selection, partOf, Learning Material Selection>
+<Outdoor Exploration, connectedTo, Emotional Support>
+<Outdoor Exploration, partOf, Outdoor Exploration>
+<Parent Communication, connectedTo, Group Activities Coordination>
+<Parent Communication, creates, Early Literacy Programs>
+<Parent_Teacher Conferences, connectedTo, Child Development Assessment>
+<Parent_Teacher Conferences, connectedTo, Curriculum Planning>
+<Parent_Teacher Conferences, nurtures, Early Literacy Programs>
+<Parent_Teacher Conferences, supports, Teacher_Child Ratio Management>
+<Playground Safety Inspection, connectedTo, Parent_Teacher Conferences>
+<Sensory Play, connectedTo, Infant Care>
+<Sensory Play, connectedTo, Toddler Activities>
+<Special Needs Accommodation, connectedTo, Group Activities Coordination>
+<Special Needs Accommodation, partOf, Special Needs Accommodation>
+<Teacher_Child Ratio Management, connectedTo, Child Development Assessment>
+<Toddler Activities, advises, Diaper Changing>
diff --git a/test/graphviz/scanned_medium/graphviz_288.dot b/test/graphviz/scanned_medium/graphviz_288.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8827f278f88b3d59926f334baacac108fa9d226b
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_288.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=BT
+	N0 [label="Chronic Disease Management" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Home Health Aide Services" color="#26A69A" fillcolor="#E0F2F1" shape=oval style=filled]
+	N2 [label="Financial Management Assistance" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N3 [label="Meal Preparation" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N4 [label="Care Plan Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N5 [label="Palliative Care" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N6 [label="Nursing Care" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N7 [label="Rehabilitation Support" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+	N8 [label="Hospice Care Coordination" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N9 [label="Caregiver Training" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N10 [label="Cognitive Stimulation Activities" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N11 [label="Pain Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	S0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Fall Prevention" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Speech Therapy" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_1 [label="Community Resource Connection" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+		nest0_2 [label="Long_Term Care Planning" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Social Engagement Activities" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Emotional Support and Counseling" color="#CD8FF2" fillcolor="#ECCFF5" shape=plaintext style=filled]
+		nest1_1 [label="Safety Assessments" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+		nest1_2 [label="Recreational Activities Planning" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest1_3 [label="Transportation Assistance" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [label=counsels color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=responds color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest1_0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N6 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [label=prevents color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S2 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [label=dresses color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S2 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [label=administers color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_296.txt b/test/graphviz/scanned_medium/graphviz_296.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7130dfd3dc944b7f173fe9efeba6059cf134fcda
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_296.txt
@@ -0,0 +1,31 @@
+<AR for Navigation, connectedTo, Data Visualization in AR or VR>
+<AR for Navigation, connectedTo, Mixed Reality Solutions>
+<AR for Navigation, connectedTo, Virtual Tourism Experiences>
+<Data Visualization in AR or VR, connectedTo, Retail Experience Enhancement>
+<Data Visualization in AR or VR, connectedTo, Virtual Tourism Experiences>
+<Ethical Considerations in AR or VR, analyzes, Immersive Storytelling>
+<Eye Tracking, connectedTo, Facial Recognition in AR or VR>
+<Eye Tracking, partOf, Eye Tracking>
+<Facial Recognition in AR or VR, connectedTo, Live Event Streaming in VR>
+<Facial Recognition in AR or VR, partOf, Facial Recognition in AR or VR>
+<Field of View Optimization, connectedTo, Ethical Considerations in AR or VR>
+<Field of View Optimization, partOf, Field of View Optimization>
+<Haptic Feedback Integration, connectedTo, Live Event Streaming in VR>
+<Haptic Feedback Integration, connectedTo, Virtual Tourism Experiences>
+<Live Event Streaming in VR, connectedTo, Data Visualization in AR or VR>
+<Live Event Streaming in VR, connectedTo, Ethical Considerations in AR or VR>
+<Live Event Streaming in VR, connectedTo, Virtual Reality Game Development>
+<Live Event Streaming in VR, connectedTo, Virtual Tourism Experiences>
+<Live Event Streaming in VR, tests, Immersive Storytelling>
+<Mixed Reality Solutions, connectedTo, Data Visualization in AR or VR>
+<Mixed Reality Solutions, connectedTo, Haptic Feedback Integration>
+<Mixed Reality Solutions, connectedTo, Software Development Kit Integration>
+<Mixed Reality Solutions, connectedTo, Virtual Tourism Experiences>
+<Performance Optimization, connectedTo, Eye Tracking>
+<Performance Optimization, partOf, Performance Optimization>
+<Retail Experience Enhancement, connectedTo, Performance Optimization>
+<Retail Experience Enhancement, partOf, Retail Experience Enhancement>
+<Software Development Kit Integration, connectedTo, Field of View Optimization>
+<Software Development Kit Integration, partOf, Software Development Kit Integration>
+<Virtual Reality Game Development, personalizes, Ethical Considerations in AR or VR>
+<Virtual Tourism Experiences, connectedTo, Virtual Reality Game Development>
diff --git a/test/graphviz/scanned_medium/graphviz_300.txt b/test/graphviz/scanned_medium/graphviz_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0b6e84dd2bb086cbdfa97185e5e15b3ebdfa676
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_300.txt
@@ -0,0 +1,31 @@
+<Blog Post Writing, connectedTo, Fact_Checking>
+<Blog Post Writing, connectedTo, Graphic Design>
+<Blog Post Writing, connectedTo, Live Streaming Content>
+<Blog Post Writing, connectedTo, Webinar Hosting>
+<Content Management System Operation, connectedTo, Blog Post Writing>
+<Content Strategy Development, connectedTo, Search Engine Optimization>
+<Content Strategy Development, partOf, Content Strategy Development>
+<Drafting Content, connectedTo, Content Management System Operation>
+<Drafting Content, connectedTo, Newsletter Creation>
+<Drafting Content, drafts, Live Streaming Content>
+<E_book Writing, connectedTo, Webinar Hosting>
+<E_book Writing, partOf, E_book Writing>
+<Fact_Checking, connectedTo, Interview Conduct>
+<Fact_Checking, connectedTo, Webinar Hosting>
+<Graphic Design, connectedTo, Live Streaming Content>
+<Interview Conduct, connectedTo, User_Generated Content Curation>
+<Interview Conduct, partOf, Interview Conduct>
+<Live Streaming Content, connectedTo, Fact_Checking>
+<Live Streaming Content, connectedTo, Voice Acting or Narration>
+<Newsletter Creation, connectedTo, Content Management System Operation>
+<Newsletter Creation, connectedTo, Fact_Checking>
+<Newsletter Creation, connectedTo, Graphic Design>
+<Newsletter Creation, connectedTo, Search Engine Optimization>
+<Search Engine Optimization, connectedTo, Content Management System Operation>
+<Search Engine Optimization, connectedTo, Live Streaming Content>
+<Social Media Post Creation, connectedTo, E_book Writing>
+<Social Media Post Creation, partOf, Social Media Post Creation>
+<User_Generated Content Curation, connectedTo, Social Media Post Creation>
+<User_Generated Content Curation, partOf, User_Generated Content Curation>
+<Voice Acting or Narration, connectedTo, Content Strategy Development>
+<Voice Acting or Narration, partOf, Voice Acting or Narration>
diff --git a/test/graphviz/scanned_medium/graphviz_304.dot b/test/graphviz/scanned_medium/graphviz_304.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7fa8d11f173e3ce0845dd8d01a3b481c20bc3446
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_304.dot
@@ -0,0 +1,56 @@
+digraph {
+	rankdir=BT
+	N0 [label="Radio Advertising" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N1 [label="Search Engine Ads" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N2 [label="Ad Placement Optimization" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N3 [label="Digital Advertising" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N4 [label="Ad Copywriting" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N5 [label="A or B Testing for Ads" color="#94C0C0" fillcolor="#CADEDE" shape=oval style=filled]
+	N6 [label="Native Advertising" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Interactive Ad Formats" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Fraud Detection in Ads" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest0_1 [label="Demographic Targeting" color="#94C0C0" fillcolor="#CADEDE" shape=plaintext style=filled]
+		nest0_2 [label="Print Advertising" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest0_3 [label="Return on Ad Spend Calculation" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label="tracks performance" color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label="manages budgets" color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Ad Creative Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Video Advertising" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest1_1 [label="Television Advertising" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest1_2 [label="Landing Page Optimization" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest1_3 [label="Visual Design for Ads" color="#FFC107" fillcolor="#FFECB3" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="drives conversions" color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest1_0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N3 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [label="television ads" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_305.txt b/test/graphviz/scanned_medium/graphviz_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d676ad025da6b74210c5e04a9b016a3653c2f43
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_305.txt
@@ -0,0 +1,35 @@
+<Cross_Chain Bridges, connectedTo, Initial Coin Offerings>
+<Cross_Chain Bridges, partOf, Cross_Chain Bridges>
+<Decentralized Applications Development, connectedTo, Decentralized Finance Protocols>
+<Decentralized Applications Development, connectedTo, Digital Identity Management>
+<Decentralized Finance Protocols, connectedTo, Sidechains and Layer 2 Solutions>
+<Decentralized Finance Protocols, partOf, Decentralized Finance Protocols>
+<Digital Identity Management, connectedTo, Enterprise Blockchain Solutions>
+<Distributed Ledger Technology, connectedTo, Decentralized Applications Development>
+<Distributed Ledger Technology, connectedTo, Security Auditing for Blockchains>
+<Distributed Ledger Technology, enables voting, Zero_Knowledge Proofs>
+<Energy Trading on Blockchain, connectedTo, Decentralized Applications Development>
+<Enterprise Blockchain Solutions, connectedTo, Real Estate Tokenization>
+<Financial Asset Tokenization, connectedTo, Tokenomics Design>
+<Governance Models for Blockchains, connectedTo, Decentralized Applications Development>
+<Governance Models for Blockchains, partOf, Governance Models for Blockchains>
+<Initial Coin Offerings, connectedTo, Energy Trading on Blockchain>
+<Initial Coin Offerings, connectedTo, Enterprise Blockchain Solutions>
+<Initial Coin Offerings, connectedTo, Mining Operations>
+<Initial Coin Offerings, connectedTo, Real Estate Tokenization>
+<Intellectual Property Management, connectedTo, Financial Asset Tokenization>
+<Mining Operations, connectedTo, Private Blockchain Implementation>
+<Private Blockchain Implementation, connectedTo, Decentralized Applications Development>
+<Private Blockchain Implementation, connectedTo, Intellectual Property Management>
+<Real Estate Tokenization, ensures compliance, Transaction Verification>
+<Scalability Solutions, connectedTo, Cross_Chain Bridges>
+<Scalability Solutions, partOf, Scalability Solutions>
+<Security Auditing for Blockchains, connectedTo, Decentralized Applications Development>
+<Security Auditing for Blockchains, performs KYCs, Zero_Knowledge Proofs>
+<Sidechains and Layer 2 Solutions, connectedTo, Governance Models for Blockchains>
+<Sidechains and Layer 2 Solutions, partOf, Sidechains and Layer 2 Solutions>
+<Smart Contract Development, connectedTo, Distributed Ledger Technology>
+<Smart Contract Development, connectedTo, Zero_Knowledge Proofs>
+<Tokenomics Design, connectedTo, Energy Trading on Blockchain>
+<Tokenomics Design, connectedTo, Scalability Solutions>
+<Zero_Knowledge Proofs, connectedTo, Initial Coin Offerings>
diff --git a/test/graphviz/scanned_medium/graphviz_322.txt b/test/graphviz/scanned_medium/graphviz_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7dbb7e4f9b37ca633bb2909e71ab85f005837c63
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_322.txt
@@ -0,0 +1,43 @@
+<AI_Powered Language Tutors, connectedTo, Slang and Idioms Learning>
+<Adult Language Learning, connectedTo, Memory Retention Techniques>
+<Adult Language Learning, connectedTo, Video Lessons>
+<Business Language Training, simulates, Pronunciation Drills>
+<Certification Exam Preparation, connectedTo, AI_Powered Language Tutors>
+<Certification Exam Preparation, connectedTo, Pronunciation Drills>
+<Children's Language Learning, connectedTo, Immersion Programs>
+<Children's Language Learning, connectedTo, Online Tutoring Sessions>
+<Cultural Immersion, connectedTo, Language Assessment Tests>
+<Cultural Immersion, partOf, Cultural Immersion>
+<Flashcard Systems, connectedTo, Pronunciation Drills>
+<Flashcard Systems, connectedTo, Virtual Reality Language Environments>
+<Immersion Programs, connectedTo, Flashcard Systems>
+<Immersion Programs, listens, Pronunciation Drills>
+<Instructor_Led Classes, connectedTo, Language Assessment Tests>
+<Instructor_Led Classes, connectedTo, Reading Comprehension>
+<Language Assessment Tests, connectedTo, Flashcard Systems>
+<Language Assessment Tests, connectedTo, Listening Comprehension>
+<Language Assessment Tests, connectedTo, Reading Comprehension>
+<Listening Comprehension, connectedTo, Flashcard Systems>
+<Listening Comprehension, connectedTo, Reading Comprehension>
+<Online Tutoring Sessions, connectedTo, Progress Tracking>
+<Online Tutoring Sessions, partOf, Online Tutoring Sessions>
+<Progress Tracking, connectedTo, Cultural Immersion>
+<Progress Tracking, partOf, Progress Tracking>
+<Pronunciation Drills, connectedTo, Adult Language Learning>
+<Reading Comprehension, connectedTo, Flashcard Systems>
+<Reading Comprehension, pronounces, Self_Study Modules>
+<Self_Study Modules, connectedTo, Children's Language Learning>
+<Self_Study Modules, engages, Flashcard Systems>
+<Slang and Idioms Learning, connectedTo, Adult Language Learning>
+<Slang and Idioms Learning, connectedTo, Business Language Training>
+<Slang and Idioms Learning, connectedTo, Memory Retention Techniques>
+<Slang and Idioms Learning, connectedTo, Pronunciation Drills>
+<Slang and Idioms Learning, converts, Pronunciation Drills>
+<Translation Exercises, connectedTo, Virtual Reality Language Environments>
+<Translation Exercises, partOf, Translation Exercises>
+<Travel Language Essentials, connectedTo, Instructor_Led Classes>
+<Travel Language Essentials, connectedTo, Reading Comprehension>
+<Video Lessons, connectedTo, Translation Exercises>
+<Video Lessons, partOf, Video Lessons>
+<Virtual Reality Language Environments, connectedTo, Writing Exercises>
+<Writing Exercises, connectedTo, Certification Exam Preparation>
diff --git a/test/graphviz/scanned_medium/graphviz_325.dot b/test/graphviz/scanned_medium/graphviz_325.dot
new file mode 100644
index 0000000000000000000000000000000000000000..242f4d0851ab00f9f07517da7da0ec6685b3e340
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_325.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=TD
+	N0 [label="Cardiovascular Training" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N1 [label="Online Fitness Coaching" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+	N2 [label="Community Fitness Challenges" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N3 [label="Recovery Strategies" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N4 [label="Endurance Training" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N5 [label="Balance and Coordination" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N6 [label="Corporate Wellness Programs" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N7 [label="Strength Training" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N8 [label="Yoga Instruction" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N9 [label="Mind_Body Connection" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N10 [label="HIIT Workouts" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N11 [label="Virtual Fitness Classes" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Nutrition for Fitness" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Posture Correction" color="#FFF8A6" fillcolor="#FFFDE0" shape=plaintext style=filled]
+		nest0_1 [label="Outdoor Fitness Activities" color="#FF9800" fillcolor="#FFE0B2" shape=plaintext style=filled]
+		nest0_2 [label="Motivation and Goal Setting" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Core Strengthening" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Personalized Exercise Prescriptions" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+		nest1_1 [label="Personal Training" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest1_0 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N8 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N8 -> S0 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [label=rehabilitates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_330.dot b/test/graphviz/scanned_medium/graphviz_330.dot
new file mode 100644
index 0000000000000000000000000000000000000000..25db740763134c77b3155b6ba320051752ccfd8f
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_330.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=RL
+	N0 [label="Software Development" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N1 [label="Simulation and Testing" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Human_Machine Interface" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N3 [label="Public Acceptance and Trust" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N4 [label="Automatic Emergency Braking" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N5 [label="Adaptive Cruise Control" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N6 [label="Lane Keeping Assist" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N7 [label="Charging Infrastructure" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N8 [label="Object Detection and Classification" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N9 [label="Vehicle_to_Vehicle Communication" color="#CDDC39" fillcolor="#E6EE9C" shape=Mdiamond style=filled]
+	N10 [label="Driver Monitoring Systems" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N11 [label="Edge Computing for AVs" color="#AABEC6" fillcolor="#E0E6E9" shape=oval style=filled]
+	N12 [label="Over_the_Air Updates" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N13 [label="Parking Assistance Systems" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N14 [label="Regulatory Compliance" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N15 [label="Localization and Mapping" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N16 [label="Decision_Making Algorithms" color="#BA68C8" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
+	N17 [label="Redundancy in Sensors" color="#AABEC6" fillcolor="#E0E6E9" shape=octagon style=filled]
+	N18 [label="Fail_Safe Systems" color="#CDDC39" fillcolor="#E6EE9C" shape=Mdiamond style=filled]
+	N19 [label="Insurance Models for AVs" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	S0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#CDDC39" fillcolor="#E6EE9C" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Sensor Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cloud Connectivity for AVs" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+		nest0_1 [label="Motion Control" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+		nest0_2 [label="Hardware Design" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest0_3 [label="Battery Management for EVs" color="#AABEC6" fillcolor="#E0E6E9" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Vehicle Diagnostics" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Remote Operation Capability" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest1_1 [label="Path Planning" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=regulates color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N7 -> N8 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
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+	N14 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N16 -> N17 [label=updates color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N18 -> N19 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N16 -> nest1_0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> S0 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N18 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	S0 -> N15 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N19 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N13 -> S1 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S1 -> N17 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N19 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N18 [label=fuels color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N17 -> N16 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N13 -> N18 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_345.dot b/test/graphviz/scanned_medium/graphviz_345.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e1754373a8acb33473f9af47d9cc006ba6b3dfc
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_345.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=BT
+	N0 [label="Pollution Impact Assessment" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N1 [label="Policy Advocacy" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N2 [label="Research and Development in Conservation" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N3 [label="Climate Change Adaptation for Wildlife" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N4 [label="Anti_Poaching Operations" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label="Marine Conservation" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N6 [label="Community Engagement" color="#4CAF50" fillcolor="#C8E6C9" shape=oval style=filled]
+	N7 [label="Forestry Practices for Conservation" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N8 [label="Protected Area Management" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N9 [label="Rewilding Initiatives" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N10 [label="Conservation Education" color="#F44336" fillcolor="#FFCDD2" shape=octagon style=filled]
+	N11 [label="Wetland Restoration" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N12 [label="Satellite Tracking of Animals" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Human_Wildlife Conflict Mitigation" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+		nest0_1 [label="Wildlife Rescue and Rehabilitation" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+		nest0_2 [label="Sustainable Resource Management" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+		nest0_3 [label="Ecotourism Management" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Camera Trap Deployment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Law Enforcement" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+		nest1_1 [label="Habitat Restoration" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+		nest1_2 [label="Data Management for Conservation" color="#42A5F5" fillcolor="#F1F8FF" shape=plaintext style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest1_0 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N3 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [label=species_saves color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_346.txt b/test/graphviz/scanned_medium/graphviz_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..501d38e730f186d8e0fcbdcb580ac72c31b40332
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_346.txt
@@ -0,0 +1,37 @@
+<Biological Oceanography, tides, Sea Level Monitoring>
+<Chemical Oceanography, connectedTo, Polar Oceanography>
+<Climate Change Impact Study, connectedTo, Ocean Data Archiving>
+<Coastal Erosion Research, connectedTo, Climate Change Impact Study>
+<Coastal Erosion Research, connectedTo, Physical Oceanography>
+<Data Visualization, connectedTo, Ocean Data Archiving>
+<Data Visualization, partOf, Data Visualization>
+<Fisheries Management, connectedTo, Chemical Oceanography>
+<Marine Biodiversity Assessment, processes_images, Ocean Carbon Cycle>
+<Marine Hazards Assessment, connectedTo, Hydrothermal Vent Exploration>
+<Marine Life Observation, connectedTo, Marine Biodiversity Assessment>
+<Marine Life Observation, partOf, Marine Life Observation>
+<Marine Protected Area Planning, connectedTo, Marine Life Observation>
+<Marine Protected Area Planning, partOf, Marine Protected Area Planning>
+<Ocean Carbon Cycle, connectedTo, Satellite Oceanography>
+<Ocean Data Archiving, connectedTo, Marine Biodiversity Assessment>
+<Ocean Data Archiving, connectedTo, Marine Hazards Assessment>
+<Ocean Data Archiving, connectedTo, Marine Protected Area Planning>
+<Ocean Data Archiving, connectedTo, Satellite Oceanography>
+<Ocean Data Archiving, studies, Underwater Acoustics>
+<Ocean Renewable Energy, connectedTo, Climate Change Impact Study>
+<Ocean Renewable Energy, connectedTo, Coastal Erosion Research>
+<Ocean Renewable Energy, connectedTo, Hydrothermal Vent Exploration>
+<Ocean Renewable Energy, connectedTo, Ocean Carbon Cycle>
+<Ocean Renewable Energy, maps, Physical Oceanography>
+<Ocean Temperature Sensing, connectedTo, Fisheries Management>
+<Ocean Temperature Sensing, maintains_buoys, Ocean Carbon Cycle>
+<Physical Oceanography, connectedTo, Climate Change Impact Study>
+<Plastic Pollution Research, connectedTo, Data Visualization>
+<Plastic Pollution Research, partOf, Plastic Pollution Research>
+<Polar Oceanography, connectedTo, Ocean Renewable Energy>
+<Satellite Oceanography, connectedTo, Plastic Pollution Research>
+<Satellite Oceanography, connectedTo, Underwater Acoustics>
+<Sea Level Monitoring, connectedTo, Climate Change Impact Study>
+<Sea Level Monitoring, connectedTo, Ocean Carbon Cycle>
+<Sea Level Monitoring, connectedTo, Ocean Temperature Sensing>
+<Underwater Acoustics, connectedTo, Marine Hazards Assessment>
diff --git a/test/graphviz/scanned_medium/graphviz_347.txt b/test/graphviz/scanned_medium/graphviz_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b67094a3f46f8a17bd9b71b45cf95dd105cdef7e
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_347.txt
@@ -0,0 +1,41 @@
+<Building Code Development, connectedTo, Strong Motion Instrumentation>
+<Building Code Development, partOf, Building Code Development>
+<Computational Seismology, connectedTo, Seismic Inversion>
+<Computational Seismology, connectedTo, Tsunami Warning Systems>
+<Data Archiving and Distribution, connectedTo, Earthquake Prediction Research>
+<Data Archiving and Distribution, connectedTo, Tsunami Warning Systems>
+<Deep Earth Seismology, locates, Seismic Tomography>
+<Deep Earth Seismology, partOf, Deep Earth Seismology>
+<Earthquake Prediction Research, connectedTo, Seismic Instrumentation Maintenance>
+<Emergency Preparedness for Earthquakes, connectedTo, Glacial Seismology>
+<Epicenter Location, connectedTo, Seismic Noise Analysis>
+<Geophysical Exploration, connectedTo, Computational Seismology>
+<Geophysical Exploration, connectedTo, Nuclear Test Monitoring>
+<Glacial Seismology, connectedTo, Earthquake Prediction Research>
+<Glacial Seismology, connectedTo, Seismic Instrumentation Maintenance>
+<Glacial Seismology, connectedTo, Seismic Network Operations>
+<Glacial Seismology, connectedTo, Tsunami Warning Systems>
+<Ground Motion Prediction, analyzes, Seismic Noise Analysis>
+<Ground Motion Prediction, connectedTo, Subsurface Imaging>
+<Induced Seismicity Monitoring, ground_motion, Strong Motion Instrumentation>
+<Nuclear Test Monitoring, connectedTo, Volcanic Seismology>
+<Nuclear Test Monitoring, partOf, Nuclear Test Monitoring>
+<P_Wave or S_Wave Distinction, connectedTo, Tsunami Warning Systems>
+<P_Wave or S_Wave Distinction, data_transmits, Emergency Preparedness for Earthquakes>
+<Seismic Hazard Assessment, connectedTo, Tectonic Stress Measurement>
+<Seismic Instrumentation Maintenance, connectedTo, Tsunami Warning Systems>
+<Seismic Inversion, connectedTo, Ground Motion Prediction>
+<Seismic Inversion, records, Seismic Noise Analysis>
+<Seismic Network Operations, connectedTo, Induced Seismicity Monitoring>
+<Seismic Network Operations, processes, Deep Earth Seismology>
+<Seismic Noise Analysis, connectedTo, P_Wave or S_Wave Distinction>
+<Seismic Tomography, connectedTo, P_Wave or S_Wave Distinction>
+<Seismic Tomography, partOf, Seismic Tomography>
+<Strong Motion Instrumentation, connectedTo, Data Archiving and Distribution>
+<Subsurface Imaging, connectedTo, Epicenter Location>
+<Subsurface Imaging, connectedTo, Induced Seismicity Monitoring>
+<Subsurface Imaging, connectedTo, P_Wave or S_Wave Distinction>
+<Subsurface Imaging, seismic_waves, Emergency Preparedness for Earthquakes>
+<Tectonic Stress Measurement, connectedTo, Geophysical Exploration>
+<Volcanic Seismology, connectedTo, Building Code Development>
+<Volcanic Seismology, partOf, Volcanic Seismology>
diff --git a/test/graphviz/scanned_medium/graphviz_355.dot b/test/graphviz/scanned_medium/graphviz_355.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2208037ca7a0179ced91f5ae9d16294fb4c1b720
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_355.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=LR
+	N0 [label="Herd Health Monitoring" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Drone Monitoring" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N2 [label="Geographic Information Systems for Farms" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N3 [label="Farm Labor Management Software" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N4 [label="Blockchain for Agri_Supply Chain" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N5 [label="Farm Management Software" color="#B8C0F5" fillcolor="#ECF0FD" shape=oval style=filled]
+	N6 [label="Automated Irrigation" color="#B8C0F5" fillcolor="#ECF0FD" shape=folder style=filled]
+	N7 [label="Precision Farming" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N8 [label="Smart Greenhouses" color="#B8C0F5" fillcolor="#ECF0FD" shape=Mdiamond style=filled]
+	N9 [label="Automated Farm Machinery" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N10 [label="Variable Rate Application" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N11 [label="Weather Station Data Integration" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N12 [label="Pest and Disease Management Systems" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N13 [label="Data Security in Agriculture" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N14 [label="Satellite Imaging" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N15 [label="Vertical Farming Technology" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
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+		nest0_1 [label="Yield Mapping" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+		nest0_2 [label="Forestry Management with Digital Tools" color="#B8C0F5" fillcolor="#ECF0FD" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="IoT in Agriculture" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Market Price Forecasting" color="#B8C0F5" fillcolor="#ECF0FD" shape=oval style=filled]
+		nest1_1 [label="Livestock Feeding Automation" color="#B8C0F5" fillcolor="#ECF0FD" shape=Mdiamond style=filled]
+		nest1_2 [label="Predictive Analytics for Harvest" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+		nest1_3 [label="Farm Management Dashboards" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
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+	S0 -> N15 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S2 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N13 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_359.dot b/test/graphviz/scanned_medium/graphviz_359.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1c3787583d1823af5d2d9c7bc95ad882d414d557
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_359.dot
@@ -0,0 +1,75 @@
+digraph {
+	rankdir=RL
+	N0 [label="High_Throughput Screening" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N1 [label="Gene Synthesis Platforms" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N2 [label="Bio_logic Gates" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N3 [label="Gene Therapy Delivery Systems" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N4 [label="Ethical Implications" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N5 [label="Drug Delivery Systems" color="#FFB2A5" fillcolor="#FFDCD6" shape=Mdiamond style=filled]
+	N6 [label="Directed Evolution" color="#73C6BC" fillcolor="#D0EFEE" shape=octagon style=filled]
+	N7 [label="Biofuel Production" color="#FFB2A5" fillcolor="#FFDCD6" shape=folder style=filled]
+	N8 [label="Protein Design" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N9 [label="Bioremediation Applications" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N10 [label="Diagnostic Tool Development" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N11 [label="Biocontainment Strategies" color="#FFB2A5" fillcolor="#FFDCD6" shape=Mdiamond style=filled]
+	N12 [label="Regulatory Frameworks" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N13 [label="Modular Biology Design" color="#73C6BC" fillcolor="#D0EFEE" shape=folder style=filled]
+	N14 [label="Biosecurity Protocols" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N15 [label="Novel Enzyme Creation" color="#673AB7" fillcolor="#D1C4E9" shape=oval style=filled]
+	N16 [label="DNA Storage Technologies" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Synthetic Organism Design" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cellular Reprogramming" color="#FFB2A5" fillcolor="#FFDCD6" shape=plaintext style=filled]
+		nest0_1 [label="Genetic Circuit Design" color="#73C6BC" fillcolor="#D0EFEE" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Public Engagement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Computational Design of Biological Systems" color="#FFB2A5" fillcolor="#FFDCD6" shape=plaintext style=filled]
+		nest1_1 [label="Cell_Free Systems" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+		nest1_2 [label="Microbial Factories" color="#73C6BC" fillcolor="#D0EFEE" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=organisms_creates color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N12 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N12 -> S0 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N15 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label=therapies_innovates color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_44.txt b/test/graphviz/scanned_medium/graphviz_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e7b6788eea5667ca234db9b20cd2c67e72b0a86
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_44.txt
@@ -0,0 +1,11 @@
+<Advanced Sorting Technologies, connectedTo, Sorting and Segregation>
+<Chemical Recycling, collects, Advanced Sorting Technologies>
+<Chemical Recycling, connectedTo, Product Design for Recyclability>
+<Commercial Recycling Solutions, connectedTo, Reprocessing into Raw Material>
+<Metal Recycling, connectedTo, Recycling Market Development>
+<Product Design for Recyclability, reuses, Commercial Recycling Solutions>
+<Recycling Infrastructure Development, partners, Metal Recycling>
+<Recycling Market Development, subsidizes, Chemical Recycling>
+<Reprocessing into Raw Material, forms, Advanced Sorting Technologies>
+<Sorting and Segregation, connectedTo, New Product Manufacturing>
+<Sorting and Segregation, innovates, Recycling Market Development>
diff --git a/test/graphviz/scanned_medium/graphviz_47.txt b/test/graphviz/scanned_medium/graphviz_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c05eb9dedc096992412fdfdfe015457d01f7635
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_47.txt
@@ -0,0 +1,11 @@
+<Behavior Management, licenses, Curriculum Planning>
+<Behavior Management, prepares, Creative Arts Activities>
+<Child Psychology Application, manages, Staff Training and Certification>
+<Creative Arts Activities, connectedTo, Playground Safety Inspection>
+<Creative Arts Activities, connectedTo, Teacher_Child Ratio Management>
+<Curriculum Planning, connectedTo, Childcare Facility Licensing>
+<Early Literacy Programs, connectedTo, Child Psychology Application>
+<Field Trip Organization, feeds, Playground Safety Inspection>
+<Playground Safety Inspection, administers, Early Literacy Programs>
+<Staff Training and Certification, connectedTo, Curriculum Planning>
+<Teacher_Child Ratio Management, enrolls, Field Trip Organization>
diff --git a/test/graphviz/scanned_medium/graphviz_50.dot b/test/graphviz/scanned_medium/graphviz_50.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44a3cf027393ff183d610440eefafb4b8ee23cc0
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_50.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TD
+	N0 [label="Family Support Programs" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N1 [label="Joint Exercises" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N2 [label="Medical Support" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N3 [label="Chaplain Services" color="#80DDEA" fillcolor="#D3F7F9" shape=oval style=filled]
+	N4 [label="Military Law" color="#73C6BC" fillcolor="#D0EFEE" shape=Mdiamond style=filled]
+	N5 [label="Defense Procurement" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N6 [label="Military Strategy Development" color="#80DDEA" fillcolor="#D3F7F9" shape=plaintext style=filled]
+	N7 [label="Combat Operations" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N8 [label="Air Operations" color="#73C6BC" fillcolor="#D0EFEE" shape=plaintext style=filled]
+	N9 [label="Personnel Management" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N0 -> N1 [label=tests color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=attacks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=patrols color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N7 [label=commands color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_53.txt b/test/graphviz/scanned_medium/graphviz_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a75bc538362be0ae4f61f66f022489e175c1bd1b
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_53.txt
@@ -0,0 +1,12 @@
+<4D Printing, connectedTo, Printer Setup>
+<4D Printing, enhances, Post_Processing>
+<Construction 3D Printing, maintains, Slicing Software Operation>
+<Consumer Product Creation, educates, Printing Process>
+<Custom Part Production, connectedTo, Food Printing>
+<Food Printing, connectedTo, Construction 3D Printing>
+<Post_Processing, duplicates, Printer Setup>
+<Post_Processing, scans, Custom Part Production>
+<Print Farm Management, produces, Direct Metal Laser Sintering>
+<Printer Setup, certifies, Custom Part Production>
+<Printing Process, connectedTo, 4D Printing>
+<Slicing Software Operation, prototypes, Print Farm Management>
diff --git a/test/graphviz/scanned_medium/graphviz_56.txt b/test/graphviz/scanned_medium/graphviz_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..71a5aae3138e8a2a0b6df01d23fa0df69f88d6c4
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_56.txt
@@ -0,0 +1,11 @@
+<3D Model Creation, monitors, Virtual Showrooms>
+<Cloud_based AR or VR Rendering, connectedTo, Latency Reduction>
+<Environment Mapping, connectedTo, Virtual Reality Game Development>
+<Latency Reduction, connectedTo, Mixed Reality Solutions>
+<Mixed Reality Solutions, connectedTo, Environment Mapping>
+<Remote Collaboration Tools, connectedTo, Virtual Showrooms>
+<Remote Collaboration Tools, designs, Cloud_based AR or VR Rendering>
+<Remote Collaboration Tools, visualizes, 3D Model Creation>
+<Software Development Kit Integration, navigates, Training Simulations>
+<Virtual Reality Game Development, renders, 3D Model Creation>
+<Virtual Showrooms, connectedTo, Software Development Kit Integration>
diff --git a/test/graphviz/scanned_medium/graphviz_57.dot b/test/graphviz/scanned_medium/graphviz_57.dot
new file mode 100644
index 0000000000000000000000000000000000000000..125d2fae6166dcaa18ad77b1996ce91ddaf15c0a
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_57.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Game Performance Optimization" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N1 [label="Monetization Strategy" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N2 [label="Game Analytics" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N3 [label="In_Game Economy Design" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N4 [label="Level Design" color="#7E57C2" fillcolor="#EDE7F6" shape=oval style=filled]
+	N5 [label="User Experience Design" color="#7E57C2" fillcolor="#EDE7F6" shape=plaintext style=filled]
+	N6 [label="Esports Event Organization" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N7 [label="Art Direction" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N8 [label="Live Operations" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N9 [label="Narrative Design" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N10 [label="Mobile Game Development" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N0 -> N1 [label=publishes color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=narrates color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=creates color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=coaches color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=plays color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=communicates color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_59.txt b/test/graphviz/scanned_medium/graphviz_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7873f471a09245f9c30ff9d3b508e5374d2c021b
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_59.txt
@@ -0,0 +1,11 @@
+<Archiving and Preservation, manages, Film Festival Submission>
+<Distribution Strategy, composes, Archiving and Preservation>
+<Film Festival Submission, animates, Legal Compliance>
+<Film Financing, connectedTo, Film Festival Submission>
+<Film Financing, records, Tax Incentive Management>
+<Legal Compliance, licenses, Script Development>
+<Lighting Design, distributes, Film Financing>
+<Production Accounting, connectedTo, Sound Recording>
+<Script Development, connectedTo, Production Accounting>
+<Sound Recording, connectedTo, Lighting Design>
+<Tax Incentive Management, lights, Script Development>
diff --git a/test/graphviz/scanned_medium/graphviz_67.txt b/test/graphviz/scanned_medium/graphviz_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3b3861a71027fa0cb6c2c33418c042173abde24
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_67.txt
@@ -0,0 +1,9 @@
+<Due Diligence for Projects, builds communities, Fulfillment Planning>
+<Due Diligence for Projects, distributes rewards, Intellectual Property Protection>
+<Equity Crowdfunding, connectedTo, International Crowdfunding>
+<Escrow Management, promotes campaigns, Due Diligence for Projects>
+<Intellectual Property Protection, handles logistics, Investor Relations>
+<International Crowdfunding, connectedTo, Fulfillment Planning>
+<Investor Relations, connectedTo, Equity Crowdfunding>
+<Product Development Lifecycle, conducts outreach, Escrow Management>
+<Product Development Lifecycle, markets projects, Due Diligence for Projects>
diff --git a/test/graphviz/scanned_medium/graphviz_7.txt b/test/graphviz/scanned_medium/graphviz_7.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b18529509c81d81d26c8a78bc07bfcd791cb3b15
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_7.txt
@@ -0,0 +1,11 @@
+<Energy Infrastructure Planning, installs, Wind Turbine Monitoring>
+<Hydropower Generation, isolates, Power Backup>
+<Nuclear Reactor Control, connectedTo, Power Plant>
+<Pipeline Monitoring, connectedTo, Nuclear Reactor Control>
+<Power Plant, connectedTo, Energy Infrastructure Planning>
+<Sensor Reading, connectedTo, Hydropower Generation>
+<Sensor Reading, connectedTo, Power Backup>
+<Sensor Reading, trades, Transformer Station>
+<Transformer Station, automates, Transmission Line Maintenance>
+<Transmission Line Maintenance, generates, Hydropower Generation>
+<Wind Turbine Monitoring, connectedTo, Sensor Reading>
diff --git a/test/graphviz/scanned_medium/graphviz_77.dot b/test/graphviz/scanned_medium/graphviz_77.dot
new file mode 100644
index 0000000000000000000000000000000000000000..79516b5e530b259b95c7e4aa7219fc21880f7802
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_77.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TD
+	N0 [label="Featured Snippets Optimization" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N1 [label="Mobile_First Indexing" color="#82DAFF" fillcolor="#C8EDFF" shape=oval style=filled]
+	N2 [label="User Experience for Search" color="#82DAFF" fillcolor="#C8EDFF" shape=Mdiamond style=filled]
+	N3 [label="Google Analytics Integration" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+	N4 [label="Content Quality Assessment" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N5 [label="Image Search" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N6 [label="Academic Search" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N7 [label="International SEO" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N0 -> N1 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label="indexes content" color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="optimizes keywords" color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label="handles shopping queries" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N2 [label="optimizes off_page" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N1 [label="builds knowledge graphs" color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_85.txt b/test/graphviz/scanned_medium/graphviz_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5482c0387c6533d88d815d3355a2fa8e3cfd2352
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_85.txt
@@ -0,0 +1,10 @@
+<Core Strengthening, connectedTo, Functional Fitness Training>
+<Functional Fitness Training, coaches, Weightlifting Techniques>
+<Injury Prevention, connectedTo, Workout Tracking Apps>
+<Motivation and Goal Setting, monitors, Pilates Instruction>
+<Personalized Exercise Prescriptions, trains, Core Strengthening>
+<Pilates Instruction, connectedTo, Running Coaching>
+<Running Coaching, tests, Biometric Feedback Integration>
+<Weightlifting Techniques, connectedTo, Injury Prevention>
+<Workout Tracking Apps, supports, Motivation and Goal Setting>
+<Workout Tracking Apps, tracks, Personalized Exercise Prescriptions>
diff --git a/test/graphviz/scanned_medium/graphviz_86.dot b/test/graphviz/scanned_medium/graphviz_86.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3837418fe6af8d9ee70ba627cfeb9c8b885f7657
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_86.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Journaling for Wellness" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N1 [label="Environmental Wellness" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N2 [label="Nature Connection" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N3 [label="Stress Management" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N4 [label="Acupuncture Consultation" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N5 [label="Burnout Prevention" color="#FFC085" fillcolor="#FFDAB9" shape=octagon style=filled]
+	N6 [label="Work_Life Balance Coaching" color="#6EB76D" fillcolor="#E9F7E8" shape=folder style=filled]
+	N7 [label="Chiropractic Care" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N8 [label="Breathwork Exercises" color="#CFCFCF" fillcolor="#F6F6F6" shape=folder style=filled]
+	N9 [label="Behavior Change Support" color="#CFCFCF" fillcolor="#F6F6F6" shape=oval style=filled]
+	N10 [label="Financial Wellness Planning" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N0 -> N1 [label=guides color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=counsels color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=assesses color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=coaches color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=motivates color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=manages color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=certifies color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N2 [label=enhances color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_92.dot b/test/graphviz/scanned_medium/graphviz_92.dot
new file mode 100644
index 0000000000000000000000000000000000000000..430b3933b25d73337b99f08940ecf5ee20f71056
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_92.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TD
+	N0 [label="Barrier Gate Control" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N1 [label="Maintenance of Systems" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N2 [label="Dynamic Pricing" color="#4FC3F7" fillcolor="#E1F5FE" shape=plaintext style=filled]
+	N3 [label="Cloud_based Parking Platforms" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+	N4 [label="Environmental Impact Monitoring" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N5 [label="Customer Support" color="#FFE470" fillcolor="#FFFAE0" shape=Mdiamond style=filled]
+	N6 [label="Revenue Management" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N7 [label="Emergency Vehicle Access Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N8 [label="IoT Sensors for Parking" color="#FFE470" fillcolor="#FFFAE0" shape=octagon style=filled]
+	N9 [label="Data Analytics for Parking Usage" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N10 [label="Smart Parking Meters" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N0 -> N1 [label=licenses color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=filters color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=designs color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=warns color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=validates color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N4 -> N9 [label=alerts color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N3 [label=directs color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/test/graphviz/scanned_medium/graphviz_92.txt b/test/graphviz/scanned_medium/graphviz_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eeb9d539626340adb3d74f26edae034bb8fa70fa
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_92.txt
@@ -0,0 +1,12 @@
+<Barrier Gate Control, licenses, Maintenance of Systems>
+<Cloud_based Parking Platforms, designs, Environmental Impact Monitoring>
+<Customer Support, connectedTo, Revenue Management>
+<Customer Support, directs, Cloud_based Parking Platforms>
+<Data Analytics for Parking Usage, validates, Smart Parking Meters>
+<Dynamic Pricing, filters, Cloud_based Parking Platforms>
+<Emergency Vehicle Access Management, connectedTo, IoT Sensors for Parking>
+<Environmental Impact Monitoring, alerts, Data Analytics for Parking Usage>
+<Environmental Impact Monitoring, connectedTo, Customer Support>
+<IoT Sensors for Parking, connectedTo, Data Analytics for Parking Usage>
+<Maintenance of Systems, connectedTo, Dynamic Pricing>
+<Revenue Management, warns, Emergency Vehicle Access Management>
diff --git a/test/graphviz/scanned_medium/graphviz_93.txt b/test/graphviz/scanned_medium/graphviz_93.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7c1864fe7a4c642bcb9362421546c5f406a1134
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_93.txt
@@ -0,0 +1,11 @@
+<API Integration for Partners, develops, Personalized Ticket Offers>
+<Biometric Ticketing, promotes, Mobile Ticketing>
+<Box Office Management, connectedTo, Ticket Sales>
+<Box Office Management, refunds, Dynamic Pricing>
+<Dynamic Pricing, connectedTo, Box Office Management>
+<Mobile Ticketing, connectedTo, Order Confirmation>
+<Museum Ticketing, connectedTo, Agent Network Management>
+<Museum Ticketing, manages, Biometric Ticketing>
+<Order Confirmation, connectedTo, Museum Ticketing>
+<Personalized Ticket Offers, issues, Biometric Ticketing>
+<Ticket Sales, validates, API Integration for Partners>
diff --git a/test/graphviz/scanned_medium/graphviz_94.dot b/test/graphviz/scanned_medium/graphviz_94.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8322ea2a237e2104ff8861c274353def7be9e5da
--- /dev/null
+++ b/test/graphviz/scanned_medium/graphviz_94.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Blockchain for Voting" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N1 [label="Voter Registration" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N2 [label="Touchscreen Voting Machines" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N3 [label="Biometric Voter ID" color="#FFE69C" fillcolor="#FFF9D4" shape=oval style=filled]
+	N4 [label="System Certification" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N5 [label="Voter Privacy Protection" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N6 [label="Undue Influence Prevention" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N7 [label="Legal Framework Compliance" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=prevents color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=secures color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=verifies color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=facilitates color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N1 [label=stores color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+}