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Coverage

46,873 of 56,681 columns decided — 82.7% · 9,148 bound (16.1%) · 9,808 still unread

Bound: 9,148; 16.1%; a concept was found and asserted for the column.
Refused: 29,070; 51.3%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 8,655; 15.3%; read, but the evidence did not settle it.
Unanalysed: 9,808; 17.3%; nobody has read this column yet.

56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 3:52 PM

3,026 datasets, 56,681 catalogued fields, 9,808 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

Bureau of Fire Investigations - Fire Causes

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Fields catalogued

Understood

Checked, no match

Nobody has looked

Half read — At least half their fields carry a verdict.

Every field in this dataset

Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.

Field	Type	What we know	Meaning	How it was decided	Shared term
incident_datetime Incident_DateTime	Calendar date	Understood	time.period.month Month	value_profile Date and time of the incident being investigated	—
cause_fire_description Cause_Fire_Description	Text	Understood	category.classification Publisher classification	dictionary_read Category of fire cause	—
case_year Case_Year	Number	Nobody has looked	—	—	—
incident_classification Incident_Classification	Text	Nobody has looked	—	—	—
battalion Battalion	Text	Checked, no match	—	dictionary_read Fire battalion in which the incident occurred	—
borough Borough	Text	Understood	place.borough Borough	value_domain_read	borough
case_number Case Number	Number	Checked, no match	—	value_profile top[8 of 20]={34275×1; 16336×1; 10051×1; 48498×1; 48194×1; 66486×1; 65792×1; 21232×1}	—
community_district Community_District	Text	Checked, no match	—	value_domain_read	—
precinct Precinct	Text	Checked, no match	—	value_domain_read	—
fire_code_category Fire_Code_Category	Text	Nobody has looked	—	—	—