{
  "name": "sensor-fixed-v1",
  "condition": "fixed",
  "version": "v1",
  "description": "Sensor fixed-mapping dataset v1. Cross-domain replication of CS7-fixed-v3 in the ecological sensor monitoring domain. Identical SQL structure and split sizes; vocabulary changed from SQL business domain to sensor phenomena and non-lexical sensor codes. Outer alias pool = {thr,gst,prt,clr,stn,mst,hub,ref}: 4 T1 sensor codes (overlap inner pool) + 4 station-only codes. T1=4, T2=14, T3=0. All inner-only aliases are T2 codes.",
  "structural_invariants": {
    "outer_aliases": [
      "thr",
      "gst",
      "prt",
      "clr",
      "stn",
      "mst",
      "hub",
      "ref"
    ],
    "outer_inner_overlap": [
      "clr",
      "gst",
      "prt",
      "thr"
    ],
    "inner_only_aliases": [
      "brt",
      "cnd",
      "drt",
      "evp",
      "flx",
      "frs",
      "ftu",
      "grvl",
      "hgr",
      "mbl",
      "nbl",
      "rnfl",
      "snw",
      "tnd"
    ],
    "inner_aliases": [
      "thr",
      "gst",
      "prt",
      "clr",
      "rnfl",
      "hgr",
      "grvl",
      "brt",
      "mbl",
      "nbl",
      "evp",
      "cnd",
      "frs",
      "snw",
      "flx",
      "tnd",
      "drt",
      "ftu"
    ],
    "inner_alias_imbalance_ratio": "1.0x (perfectly balanced)",
    "inner_table_count": 18,
    "aliases_per_table": 1,
    "inner_alias_never_in_prompt": true
  },
  "alias_groups": {
    "T1": [
      "thr",
      "gst",
      "prt",
      "clr"
    ],
    "T2": [
      "rnfl",
      "hgr",
      "grvl",
      "brt",
      "mbl",
      "nbl",
      "evp",
      "cnd",
      "frs",
      "snw",
      "flx",
      "tnd",
      "drt",
      "ftu"
    ]
  },
  "table_alias_map": {
    "temperature": "thr",
    "wind_speed": "gst",
    "air_quality": "prt",
    "visibility": "clr",
    "rainfall": "rnfl",
    "humidity": "hgr",
    "soil_moisture": "grvl",
    "sunlight": "brt",
    "pressure": "mbl",
    "cloud_cover": "nbl",
    "evaporation": "evp",
    "dew_point": "cnd",
    "frost": "frs",
    "snow_depth": "snw",
    "uv_index": "flx",
    "lightning": "tnd",
    "drought_index": "drt",
    "turbidity": "ftu"
  },
  "alias_intermediate": {
    "thr": "thermal",
    "gst": "gust",
    "prt": "particulate",
    "clr": "clarity",
    "rnfl": "precipitation",
    "hgr": "hygrometer",
    "grvl": "gravimetric",
    "brt": "brightness",
    "mbl": "millibar",
    "nbl": "nebulosity",
    "evp": "evaporation",
    "cnd": "condensation",
    "frs": "frost",
    "snw": "snow",
    "flx": "flux",
    "tnd": "thunder",
    "drt": "dryness",
    "ftu": "murky"
  },
  "fan_out_by_alias": {
    "thr": 1,
    "gst": 1,
    "prt": 1,
    "clr": 1,
    "rnfl": null,
    "hgr": null,
    "grvl": null,
    "brt": null,
    "mbl": null,
    "nbl": null,
    "evp": null,
    "cnd": null,
    "frs": null,
    "snw": null,
    "flx": null,
    "tnd": null,
    "drt": null,
    "ftu": null
  },
  "split_sizes": {
    "train": 84240,
    "val": 9720
  },
  "examples_per_alias": {
    "train": 4680,
    "val": 540
  },
  "generation": {
    "seed": 42,
    "generated_at": "2026-06-26T22:55:55.318181",
    "script": "src/00_data/generate_sensor_fixed_v1.py"
  }
}