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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 11, 2026, 12:24 AM

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.

2020-21 SMH Service Coverage

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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
building_code Building Code	Text	Checked, no match	—	value_domain_read card=100 nonnull=1606 null=0 smallest=K921 largest=X997 top[8 of 20]={M965×131; Q951×72; Q966×48	—
city City	Text	Checked, no match	—	value_domain_read card=15 nonnull=1025 null=0 smallest=BAYSIDE largest=STATEN ISLAND top[8 of 15]={BROOKLYN×305; BRONX×276; MANHATTAN×217; QUEENS×170; STATEN ISLAND×26; Brooklyn×7; NEW YORK×6; Queens×4}	—
service Service	Text	Understood	category.classification Publisher classification	value_profile card=7 nonnull=1025 null=0 smallest=Community School MH largest=School Response Team	—
zip Zip	Text	Understood	place.zip ZIP Code	value_domain_read	zip
location_name Location Name	Text	Checked, no match	—	value_domain_read card=1025 nonnull=1025 null=0 smallest=Abraham Lincoln High School largest=Young Women's Leadership Sch	—
primary_address Primary Address	Text	Understood	place.street_address Street address	value_domain_read smallest=100-00 BEACH CHANNEL DRIVE largest=9 POWER ROAD	—
geographical_district_code Geographical District Code	Text	Not enough to tell	—	value_domain_read	—
ats_system_code ATS System Code	Text	Understood	identifier.school_dbn School DBN	value_domain_read smallest=01M015 largest=75X811 top[8 of 20]={28Q175×1; 26Q495×1; 17K705×1; 02M281×1; 13K056×1; 31R059×1; 09X114×1; 16K243×1}	—