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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, 4:48 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.

DOB Violations

3h2n-5cm9

← What we have understood · Dataset page

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
street STREET	Text	Checked, no match	—	value_domain_read top[8 of 20]={BROADWAY×59200; 5 AVENUE×26897; 3 AVENUE×18689	—
violation_number VIOLATION_NUMBER	Text	Checked, no match	—	value_domain_read top[8 of 20]={V011990LANDMRKVIOL×33; V073091LANDMRKVIOL×28	—
bin BIN	Text	Understood	place.bin Building Identification Number	operator_cohort matched by name, unread	bin
number NUMBER	Text	Checked, no match	—	value_domain_read top[8 of 20]={V011990LANDMRKVIOL×33; V073091LANDMRKVIOL×28	—
lot LOT	Text	Checked, no match	—	value_domain_read top[8 of 20]={00001×299762; 07501×79284; 00005×41250	—
block BLOCK	Text	Checked, no match	—	value_domain_read smallest=00000 largest=V0179	—
isn_dob_bis_viol ISN_DOB_BIS_VIOL	Text	Checked, no match	—	value_domain_read top[8 of 20]={V011990LANDMRKVIOL×33; V073091LANDMRKVIOL×28	—
house_number HOUSE_NUMBER	Text	Checked, no match	—	value_domain_read top[8 of 20]={1×13236; 100×8599; 2×8575; 10×7820; 200×7595	—
violation_type VIOLATION_TYPE	Text	Understood	category.classification Publisher classification	value_domain_read top[8 of 20]={E-ELEVATOR …(clipped)×713300; LL6291-LOCAL LAW 62/91 - BOILERS …(clipped)×598814; LBLVIO-LOW PRESSURE BOILER …(clipped)×319929; C-CONSTRUCTION …(clipped)×203888	—
issue_date ISSUE_DATE	Text	Not enough to tell	—	value_domain_read	—
boro BORO	Text	Checked, no match	—	value_domain_read	—
violation_type_code VIOLATION_TYPE_CODE	Text	Understood	category.classification Publisher classification	value_domain_read top[8 of 20]={E×713300; LL6291×598814; LBLVIO×319929; C×203888; AEUHAZ1×159423; LL1081×81231; ACC1×64457; BENCH×56934}	—
device_number DEVICE_NUMBER	Text	Checked, no match	—	value_domain_read top[8 of 20]={V011990LANDMRKVIOL×33; V073091LANDMRKVIOL×28	—
description DESCRIPTION	Text	Not enough to tell	—	value_domain_read	—
violation_category VIOLATION_CATEGORY	Text	Checked, no match	—	value_domain_read top[8 of 15]={V-DOB VIOLATION - DISMISSED×1168825; V-DOB VIOLATION - Resolved×673603; V-DOB VIOLATION - ACTIVE×553361	—
disposition_comments DISPOSITION_COMMENTS	Text	Not enough to tell	—	value_domain_read	—
ecb_number ECB_NUMBER	Text	Checked, no match	—	value_domain_read top[8 of 20]={V011990LANDMRKVIOL×33; V073091LANDMRKVIOL×28	—
disposition_date DISPOSITION_DATE	Text	Not enough to tell	—	value_domain_read	—