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READ.me

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-# Munich Urban Graph Network — Chain-of-Thoughts Dataset
-
-A high-fidelity, explainable dataset for urban graph reasoning and generative urban analytics in Munich.  
-Each entry represents a unique *chain-of-thought* (CoT) narrative, blending urban mobility, ecological perspective, zoning/policy context, and graph-theoretic features.
-Embedding: E5 Large
-
----
-
-## 📂 Dataset Overview
-
-- **Format:** JSONL (`cots_50k.jsonl`)
-- **Total entries:** 50,000+
-- **Each entry contains:**
-  - **id**: Unique identifier for the CoT entry
-  - **document**: Rich, human-readable narrative describing the path, its segments, the urban/ecological/policy context, and embedded graph statistics
-  - **metadata**:
-    - `type`: Always `"cot"` (for Chain-of-Thought)
-    - `source`: Source node (city feature or network node, as numeric string)
-    - `target`: Target node (city feature or network node, as numeric string)
-    - `path_length`: Integer, number of graph hops in the described path
-    - `tone`: Style of the narrative (e.g., `"metaphorical"`, `"analytical"`)
-    - `perspective`: Narrative angle (e.g., `"resident"`, `"policy"`, `"ecology"`)
-    - `keyword`: Thematic or analytical tag for the entry (e.g., `"urban heat"`, `"green corridor"`)
-
----
-
-## 🧩 Example Entry
-
-```json
-{
-  "id": "cot_341_analytical_ecology_8a94565d",
-  "document": "Between nodes 2272920565 and 392938983, 117 consecutive segments offer an analyzable corridor for urban heat. It covers 18534.6 meters. Segments: ... Habitat fragmentation risk noted at node 2272920565; a loose structure (clustering: 0.00) allowing flexible reconfiguration. Local reachability of 20 hops informs species corridor planning. The target node plays a stronger mediator role in routing dynamics (betweenness 0.00).",
-  "metadata": {
-    "type": "cot",
-    "source": "2272920565",
-    "target": "392938983",
-    "path_length": 117,
-    "tone": "analytical",
-    "perspective": "ecology",
-    "keyword": "urban heat"
-  }
-}