{
  "100k-adsb.csv": {
    "icao_address": {
      "semantic_type": "TEXT",
      "confidence": 0.8,
      "canonical_key": "icao_address"
    },
    "aircraft_type": {
      "semantic_type": "KEYWORD",
      "confidence": 0.8,
      "canonical_key": "aircraft_type"
    },
    "callsign": {
      "semantic_type": "KEYWORD",
      "confidence": 0.5,
      "canonical_key": "callsign"
    },
    "flight": {
      "semantic_type": "KEYWORD",
      "confidence": 0.5,
      "canonical_key": "flight"
    },
    "origin": {
      "semantic_type": "KEYWORD",
      "confidence": 0.5,
      "canonical_key": "origin"
    },
    "origin_name": {
      "semantic_type": "TEXT",
      "confidence": 0.8,
      "canonical_key": "origin_name"
    },
    "destination": {
      "semantic_type": "KEYWORD",
      "confidence": 0.5,
      "canonical_key": "destination"
    },
    "destination_name": {
      "semantic_type": "TEXT",
      "confidence": 0.8,
      "canonical_key": "destination_name"
    },
    "altitude": {
      "semantic_type": "FLOAT",
      "confidence": 1.0,
      "canonical_key": "altitude"
    },
    "speed": {
      "semantic_type": "FLOAT",
      "confidence": 1.0,
      "canonical_key": "speed"
    },
    "heading": {
      "semantic_type": "FLOAT",
      "confidence": 1.0,
      "canonical_key": "heading"
    },
    "lat": {
      "semantic_type": "FLOAT",
      "confidence": 1.0,
      "canonical_key": "lat"
    },
    "lon": {
      "semantic_type": "FLOAT",
      "confidence": 1.0,
      "canonical_key": "lon"
    },
    "timestamp": {
      "semantic_type": "DATE",
      "confidence": 0.5,
      "canonical_key": "timestamp"
    },
    "country": {
      "semantic_type": "KEYWORD",
      "confidence": 1.0,
      "canonical_key": "country"
    },
    "status": {
      "semantic_type": "KEYWORD",
      "confidence": 1.0,
      "canonical_key": "status"
    }
  }
}