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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, 5:34 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.

Internet Master Plan: Broadband Choice and Speed by Census Block

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← 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
puma PUMA	Text	Checked, no match	—	dictionary_read A Public Use Microdata Area, or PUMA, are geographic units used by the US Census	—
geo_id GEO_ID	Text	Checked, no match	—	value_domain_read smallest=360050001000001 largest=360859901000013	—
maximum_residential_broadband Maximum Residential Broadband Speed by Block	Number	Checked, no match	—	dictionary_read The reported maximum advertised downstream speed/bandwidth offered by any provider in a census block	—
commerical_fiber_count_by Commerical Fiber Count by Block	Number	Checked, no match	—	dictionary_read The number of residential broadband internet service providers reported to be available per census block.	—
borough Borough	Text	Understood	place.borough Borough	value_domain_read	borough
nta_name NTA Name	Text	Checked, no match	—	value_domain_read	—
nta_code NTA Code	Text	Understood	place.nta Neighborhood Tabulation Area	value_domain_read	nta
blockcode BlockCode	Text	Checked, no match	—	value_domain_read smallest=360050001000001 largest=360859901000013	—
oid OID	Text	Checked, no match	—	value_profile top[8 of 11]={BK-2×1; BX-3×1; QN-1×1; QN-3×1; BX-1×1; MN-2×1; BK-1×1; MN-1×1}	—
residential_isp_count_by Residential ISP Count by Block	Number	Checked, no match	—	dictionary_read The number of residential broadband internet service providers reported to be available per census block.	—
bctcb2010 BCTCB2010	Text	Nobody has looked	—	—	—
borocode BoroCode	Text	Understood	place.borough Borough	value_domain_read	borough