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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, 1:58 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.

OER Cleanup Sites

3279-pp7v

← What we have understood · Dataset page

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
borough Borough	Text	Understood	place.borough Borough	value_domain_read	borough
nta_name NTA	Text	Checked, no match	—	value_domain_read	—
bbl BBL	Text	Checked, no match	—	value_domain_read	—
phase Phase	Text	Understood	category.status Workflow status	value_domain_read top[5]={Completed×1077; Site Management×645; Closure×207; Construction×182; Approved Remedial Plan×163}	—
census_tract_2010 Census Tract	Text	Checked, no match	—	value_domain_read	—
building_identification_number BIN	Text	Nobody has looked	—	—	—
city_council_district Council District	Text	Understood	place.council_district City Council District	value_domain_read	council_district
project_specific_document Project-Specific Document Repository page	URL	Nobody has looked	—	—	—
oer_program OER Program	Text	Checked, no match	—	value_domain_read smallest=09TMP0101M,09EHAN101M largest=26TMP1505K,26EH-N284K	—
class Class	Text	Understood	category.status Workflow status	value_domain_read top[2]={Completed (C)×1712; Active (A)×562}	—
longitude Longitude	Text	Understood	geometry.longitude Longitude	value_domain_read smallest=-73.704422 largest=-74.239245	—
community_district Community Board	Text	Checked, no match	—	value_domain_read	—
street_name Street Name	Text	Checked, no match	—	value_domain_read smallest=101ST AVENUE largest=ZEREGA AVENUE	—
latitude Latitude	Text	Understood	geometry.latitude Latitude	value_domain_read smallest=40.523150 largest=40.908233	—
zip_code Postcode	Text	Checked, no match	—	value_domain_read	—
project_name Project Name	Text	Checked, no match	—	value_domain_read top[8 of 20]={Central Park×17; Riverside Park×8; Forest Park×7; Van Cortlandt Park×6; Flushing Meadows Corona Park×6; Bronx Park×6; Baisley Pond Park×5; Prospect Park×5}	—
street_number Street Number	Text	Checked, no match	—	value_domain_read smallest=101ST AVENUE largest=ZEREGA AVENUE	—
oer_project_numbers OER Project Numbers	Text	Checked, no match	—	value_domain_read smallest=09TMP0101M,09EHAN101M largest=26TMP1505K,26EH-N284K	—