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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, 1:00 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.

Multiple Dwelling Registrations

tesw-yqqr

← 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
zip Zip	Text	Checked, no match	—	value_domain_read	—
highhousenumber HighHouseNumber	Text	Checked, no match	—	sibling_corroboration Address information for the building	—
block Block	Number	Checked, no match	—	dictionary_read Tax block for building	—
bin BIN	Number	Understood	place.bin Building Identification Number	operator_cohort matched by name, unread	bin
lowhousenumber LowHouseNumber	Text	Checked, no match	—	sibling_corroboration Address information for the building	—
boro Boro	Text	Understood	place.borough Borough	value_domain_read	borough
lot Lot	Number	Checked, no match	—	dictionary_read Tax lot for building	—
housenumber HouseNumber	Text	Checked, no match	—	sibling_corroboration Address information for the building	—
registrationenddate RegistrationEndDate	Calendar date	Understood	time.world_event.closed Closing time	dictionary_read Expiration date of	—
communityboard CommunityBoard	Number	Checked, no match	—	value_domain_read	—
streetname StreetName	Text	Checked, no match	—	sibling_corroboration Address information for the building	—
buildingid BuildingID	Number	Checked, no match	—	value_domain_read smallest=715 largest=990511	—
registrationid RegistrationID	Number	Checked, no match	—	dictionary_read Unique identifier of Registration	—
boroid BoroID	Number	Understood	place.borough Borough	value_domain_read	borough
streetcode StreetCode	Number	Checked, no match	—	sibling_corroboration Address information for the building	—
lastregistrationdate LastRegistrationDate	Calendar date	Checked, no match	—	dictionary_read Date on which the registration information was processed	—