{
  "id": "cranfield",
  "name": "Cranfield Aeronautics Collection",
  "index": "cranfield-v0",
  "source": {
    "name": "Glasgow Cranfield test collection",
    "irDatasetsId": "cranfield",
    "url": "https://ir.dcs.gla.ac.uk/resources/test_collections/cran/",
    "archiveUrl": "http://ir.dcs.gla.ac.uk/resources/test_collections/cran/cran.tar.gz"
  },
  "documentCount": 1400,
  "evaluationQueryCount": 225,
  "relevanceJudgmentCount": 1837,
  "contentType": "Technical aeronautics abstracts and reports",
  "description": "The indexed documents are short aerospace research records from the Cranfield collection. Good searches are technical phrases about aerodynamics, aircraft structures, pressure, flow, heat transfer, boundary layers, airfoils, wings, drag, lift, stability, and wind tunnel measurements.",
  "indexedFields": [
    {
      "name": "title",
      "searchWeight": "3x",
      "role": "Highest-weight field for concise paper titles."
    },
    {
      "name": "abstract",
      "searchWeight": "2x",
      "role": "Medium-weight field for report summaries."
    },
    {
      "name": "text",
      "searchWeight": "1x",
      "role": "Full searchable text assembled from the Cranfield record."
    },
    {
      "name": "dataset",
      "searchWeight": "filter",
      "role": "Keeps Phase 1 results scoped to Cranfield."
    },
    {
      "name": "source",
      "searchWeight": "metadata",
      "role": "Identifies the public corpus source."
    }
  ],
  "exampleQueries": [
    "wing pressure distribution",
    "boundary layer transition",
    "hypersonic heat transfer",
    "airfoil drag coefficient",
    "wind tunnel turbulence",
    "supersonic flow over cones"
  ],
  "topicHints": [
    "wings",
    "airfoils",
    "boundary layers",
    "pressure distribution",
    "heat transfer",
    "supersonic flow",
    "wind tunnels",
    "lift and drag",
    "stability",
    "aeroelasticity"
  ]
}