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Coverage

56,681 of 56,681 columns decided — 100.0% · 12,642 bound (22.3%) · 0 still unread

Bound: 12,642; 22.3%; a concept was found and asserted for the column.
Refused: 32,953; 58.1%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 11,086; 19.6%; read, but the evidence did not settle it.
Unanalysed: 0; 0.0%; 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, 10:11 PM

3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

Digital Tax Map: Air Lots

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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
parent_boro PARENT_BORO	Text	Understood	place.borough Borough	value_profile This is a one digit number field that identifies the borough in which the associated feature exists	borough
parent_block PARENT_BLOCK	Number	Checked, no match	—	value_domain_read top[8 of 20]={4271×7; 2420×7; 839×5; 5066×5; 61×4; 879×4; 3251×4; 892×4}	—
parent_lot PARENT_LOT	Number	Checked, no match	—	value_domain_read top[8 of 20]={9001×32; 9002×10; 9005×7; 9021×7; 9029×6; 9008×6; 9040×6; 9018×6}	—
parent_bbl PARENT_BBL	Text	Understood	place.bbl Borough-Block-Lot	value_domain_read top[8 of 20]={3042710001×7; 4050660100×3; 2024200078×3; 1013300013×3; 2024098900×2; 4000728900×2; 1011160024×2; 1013310001×2}	—
air_lot_number AIR_LOT_NUMBER	Number	Checked, no match	—	value_domain_read top[8 of 20]={9001×32; 9002×10; 9005×7; 9021×7; 9029×6; 9008×6; 9040×6; 9018×6}	—
air_lot_bbl AIR_LOT_BBL	Text	Understood	place.bbl Borough-Block-Lot	value_domain_read top[8 of 20]={3042710001×7; 4050660100×3; 2024200078×3; 1013300013×3; 2024098900×2; 4000728900×2; 1011160024×2; 1013310001×2}	—
effective_tax_year EFFECTIVE_TAX_YEAR	Text	Understood	time.fiscal_period Fiscal or school period	value_domain_read top[8 of 20]={2009-2010×16; 2007-2008×13; 2017-2018×13; 2026-2027×13; 2014-2015×10; 2008-2009×9; 2016-2017×7; 2013-2014×7}	—