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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, 6:26 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.

3K Projects by Site Locations

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Fields catalogued

Understood

Checked, no match

Nobody has looked

Most read — At least three quarters of 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
council_district Council District	Number	Understood	place.council_district City Council District	value_domain_read	council_district
latitude Latitude	Number	Understood	geometry.latitude Latitude	value_domain_read smallest=40.608517 largest=40.833586 sum=447.896165 average=40.71783318181818	—
district DISTRICT	Number	Nobody has looked	—	—	—
postcode Postcode	Number	Understood	place.zip ZIP Code	value_domain_read	zip
longitude Longitude	Number	Understood	geometry.longitude Longitude	value_domain_read smallest=-74.102078 largest=-73.808148 sum=-813.378732 average=-73.94352109090909	—
school SCHOOL	Text	Checked, no match	—	value_domain_read 3K CENTER @ 1972 BROADWAY×1	—
borough BOROUGH	Text	Understood	place.borough Borough	value_domain_read	borough
location LOCATION	Text	Nobody has looked	—	—	—
community_board Community Board	Number	Understood	place.community_district Community District / Board	value_domain_read	community_district
bin BIN	Number	Understood	place.bin Building Identification Number	operator_cohort matched by name, unread	bin
bbl BBL	Number	Understood	place.bbl Borough-Block-Lot	value_domain_read	bbl
census_tract Census Tract (2020)	Number	Checked, no match	—	value_domain_read	—
nta Neighborhood Tabulation Area (NTA) (2020)	Text	Understood	place.nta Neighborhood Tabulation Area	value_domain_read	nta