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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.

Added Projects

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Fields catalogued

Understood

Checked, no match

Nobody has looked

Every field decided — Every field carries a verdict — which does not mean every field is understood.

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
program_category Program Category	Text	Understood	category.classification Publisher classification	value_domain_read top[8 of 11]={Cafeteria / Multipurpose Room Upgrade×27; IP Surveillance Camera Installation×8; Playgrounds×6; Exterior Masonry×3; Parapets×3; Roofs×3; Windows×2; Flood Elimination×2}	—
boro Boro	Text	Understood	place.borough Borough	value_domain_read	borough
bldg_id Bldg ID	Text	Checked, no match	—	value_domain_read card=267 nonnull=316 null=1 smallest=K005 largest=X973 top[8 of 20]={X410×4; K480×4; K420×4; M465×3	—
school School	Text	Checked, no match	—	value_domain_read smallest=BOYS HS AF (OLD) largest=WEST END SECONDARY SCHOOL top[8 of 20]={TOTTENVILLE HS×2; P.S. 163×2; P.S. 6×2; P.S. 1×2	—
district District	Text	Checked, no match	—	value_domain_read card=57 nonnull=57 null=0 smallest=02 largest=78X top[8 of 20]={11×5; 15×5; 10×4; 78K×4; 20×4; 78M×3; 19×3; 21×2}	—