{
  "id": "networks-query-processing",
  "name": "Query Processing",
  "category": "computer_science",
  "subcategory": "networks",
  "subcategory_name": "Computer Networks",
  "description": "Query Processing process visualization. This process flowchart outlines key steps, checks, and outputs.",
  "complexity": {
    "nodes": 11,
    "edges": 12,
    "conditionals": 1,
    "logicGates": {
      "orGates": 2,
      "andGates": 1,
      "notGates": 0,
      "total": 3
    },
    "level": "high",
    "detailLevel": "source_grounded_rebuild",
    "loops": 1
  },
  "colorScheme": {
    "red": {
      "hex": "#ff6b6b",
      "category": "Triggers & Inputs"
    },
    "yellow": {
      "hex": "#ffd43b",
      "category": "Structures & Objects"
    },
    "green": {
      "hex": "#51cf66",
      "category": "Processing & Operations"
    },
    "blue": {
      "hex": "#74c0fc",
      "category": "Intermediates & States"
    },
    "violet": {
      "hex": "#b197fc",
      "category": "Products & Outputs"
    }
  },
  "mermaid": "graph TD\n    N1[\"Query Processing research question\"]\n    N2[\"SQL Query\"]\n    N3[\"Parameters\"]\n    N4[\"Parser/Planner\"]\n    N5[\"Stats + Indexes\"]\n    N6[\"Optimize Plan\"]\n    N7[\"Execute Operators\"]\n    N8[\"Intermediate Results\"]\n    N9[\"Result Set\"]\n    N10{\"Source-grounded check: Computer...\"}\n    N11[\"Query Processing...\"]\n\n    N1 --> N2\n    N2 --> N3\n    N3 --> N4\n    N4 --> N5\n    N5 --> N6\n    N6 --> N7\n    N7 --> N8\n    N8 --> N9\n    N9 --> N10\n    N10 -->|yes| N11\n    N8 -->|iterate| N3\n    N4 -->|skip/opt| N7\n\n    style N1 fill:#ff6b6b,color:#fff\n    style N2 fill:#ff6b6b,color:#fff\n    style N3 fill:#ff6b6b,color:#fff\n    style N4 fill:#ffd43b,color:#000\n    style N5 fill:#ffd43b,color:#000\n    style N6 fill:#51cf66,color:#fff\n    style N7 fill:#51cf66,color:#fff\n    style N8 fill:#74c0fc,color:#fff\n    style N9 fill:#b197fc,color:#fff\n    style N10 fill:#ffd43b,color:#000\n    style N11 fill:#b197fc,color:#fff",
  "sources": [
    {
      "title": "Computer Networking: A Top-Down Approach",
      "authors": "Kurose, J. F.; Ross, K. W.",
      "journal": "Pearson",
      "year": "2021",
      "pubmed": null,
      "doi": null,
      "url": "https://gaia.cs.umass.edu/kurose_ross/"
    },
    {
      "title": "TCP Congestion Control",
      "authors": "Allman, M.; Paxson, V.; Blanton, E.",
      "journal": "RFC 5681",
      "year": "2009",
      "pubmed": null,
      "doi": "10.17487/RFC5681",
      "url": "https://doi.org/10.17487/RFC5681"
    },
    {
      "title": "The Design Philosophy of the DARPA Internet Protocols",
      "authors": "Clark, D. D.",
      "journal": "ACM SIGCOMM Computer Communication Review",
      "year": "1988",
      "pubmed": null,
      "doi": "10.1145/52325.52336",
      "url": "https://doi.org/10.1145/52325.52336"
    }
  ],
  "keywords": [
    "query",
    "processing"
  ],
  "relatedProcesses": [],
  "created": "2026-01-08",
  "lastUpdated": "2026-04-30",
  "verified": false,
  "notes": "Corrective rebuild: replaces the generic scaffold with a process-specific step structure and records topology for duplicate detection.",
  "nodeDetails": [
    {
      "id": "N1",
      "label": "Query Processing research question",
      "detail": "Query Processing research question",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N2",
      "label": "SQL Query",
      "detail": "SQL Query",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N3",
      "label": "Parameters",
      "detail": "Parameters",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N4",
      "label": "Parser/Planner",
      "detail": "Parser/Planner",
      "type": "process",
      "role": "Structures & Objects"
    },
    {
      "id": "N5",
      "label": "Stats + Indexes",
      "detail": "Stats + Indexes",
      "type": "process",
      "role": "Structures & Objects"
    },
    {
      "id": "N6",
      "label": "Optimize Plan",
      "detail": "Optimize Plan",
      "type": "process",
      "role": "Processing & Operations"
    },
    {
      "id": "N7",
      "label": "Execute Operators",
      "detail": "Execute Operators",
      "type": "process",
      "role": "Processing & Operations"
    },
    {
      "id": "N8",
      "label": "Intermediate Results",
      "detail": "Intermediate Results",
      "type": "process",
      "role": "Intermediates & States"
    },
    {
      "id": "N9",
      "label": "Result Set",
      "detail": "Result Set",
      "type": "process",
      "role": "Products & Outputs"
    },
    {
      "id": "N10",
      "label": "Source-grounded check: Computer...",
      "detail": "Source-grounded check: Computer Networking",
      "type": "decision",
      "role": "Structures & Objects"
    },
    {
      "id": "N11",
      "label": "Query Processing...",
      "detail": "Query Processing prediction/readout",
      "type": "process",
      "role": "Products & Outputs"
    }
  ],
  "flowchartStandard": {
    "name": "source_grounded_rebuild_v1",
    "applied": "2026-04-30",
    "curationStatus": "source_grounded_draft",
    "basis": "cs_exact_template",
    "topologySignature": "276faf007b4a1352",
    "sourceGrounding": "Graph steps are derived from the process title, existing source metadata, and curated process/subfield templates; citations support the process topic and should be reviewed for node-level claims before marking verified."
  },
  "namedCollections": [],
  "graphMetrics": {
    "nodes": 11,
    "edges": 12,
    "conditionals": 1,
    "andGates": 1,
    "orGates": 2,
    "notGates": 0,
    "loops": 1
  }
}