- Bound
- 4,487
- 7.9%
- a concept was found and asserted for the column.
- Refused
- 10,870
- 19.2%
- the column was read and no concept fits. A verdict, not a gap.
- Insufficient
- 5,081
- 9.0%
- read, but the evidence did not settle it.
- Unanalysed
- 36,243
- 63.9%
- 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, 12:54 PM
Where the unread columns are
3,026 datasets, 56,681 catalogued fields, 36,243 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.