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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, 1:55 PM

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.

311 Service Level Agreements

cs9t-e3x8

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
problem Problem	Text	Understood	category.classification Publisher classification	dictionary_read This is the first level of a hierarchy identifying the topic of the incident or condition	—
agency Agency	Text	Understood	actor.agency City agency	dictionary_read City Agency that responds to the condition or request	agency
sla_days SLA	Text	Checked, no match	—	value_domain_read top[8 of 20]={4 days×920; SLA Not Managed by 311×761; 14 days×325	—
problem_details Problem_Details	Text	Understood	category.classification Publisher classification	dictionary_read This is associated to the Problem, and provides further detail on the incident or condition	—
additional_details Additional Details	Text	Understood	category.classification Publisher classification	dictionary_read This is associated to the Problem Details, and provides further detail on the incident or condition	—