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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, 5:51 PM

Where the unread columns are

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.

DOB After Hour Variance Permits

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← What we have understood · Dataset page

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
variancetype VarianceType	Text	Nobody has looked	—	—	—
crane_use Does_any_of_the_work_involve_crane_use	Checkbox	Checked, no match	—	dictionary_read Indicates whether	—
demolition Does_work_involve_full_or_partial_demolition	Checkbox	Checked, no match	—	dictionary_read Indicates whether	—
bin BIN	Text	Understood	place.bin Building Identification Number	operator_cohort matched by name, unread	bin
ahvpermitstatus AHVPermitStatus	Text	Understood	category.status Workflow status	value_profile The status of the after hours variance	—
nta NTA	Text	Checked, no match	—	value_domain_read	—
borough Borough	Text	Understood	place.borough Borough	value_domain_read	borough
variance_end_date_time Variance End Date-Time	Calendar date	Nobody has looked	—	—	—
housenumber HouseNumber	Text	Nobody has looked	—	—	—
bbl BBL	Number	Checked, no match	—	value_domain_read	—
streetname StreetName	Text	Nobody has looked	—	—	—
census_tract Census Tract	Number	Checked, no match	—	value_domain_read	—
council_district Council District	Number	Understood	place.council_district City Council District	value_domain_read	council_district
longitude Longitude	Number	Nobody has looked	—	—	—
variance_start_date_time Variance Start Date-Time	Calendar date	Understood	time.period.start Period start	value_domain_read smallest=2001-10-01T00:00:00.000 largest=2026-01-01T00:00:00.000	—
ahv_permit_number AHV Permit Number	Text	Nobody has looked	—	—	—
workpermitnumber WorkPermitNumber	Text	Nobody has looked	—	—	—
reasonforvariance	Text	Nobody has looked	—	—	—
job_number Job Number	Text	Nobody has looked	—	—	—
latitude Latitude	Number	Nobody has looked	—	—	—
community_board Community Board	Number	Checked, no match	—	value_domain_read	—
residence_200ft Is_a_residence_within_200feet_of_the_site	Checkbox	Checked, no match	—	dictionary_read Indicates whether	—
enclosed_work Is_all_the_work_within_an_enclosed_building	Checkbox	Checked, no match	—	dictionary_read Indicates whether	—
cbno CBNo	Number	Understood	place.community_district Community District / Board	value_domain_read smallest=101 largest=503 top[8 of 20]={105×150; 302×81; 301×67; 108×66; 101×63; 104×62; 306×61; 106×61}; smallest=101 largest=503 top[8 of 20]={105×95784; 101×19054; 104×16832; 106×16300; 302×11112; 102×10476; 108×8073; 107×4025}	—