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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 11:51 PM
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.
Freshness above is about the data being current. This is about the data being understood: how many of the catalogue's fields carry a meaning we can act on, which datasets are still waiting, and how far the joinable web reaches.
Filtered to datasets carrying zip. Clear
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| Local Law 44 - Building hu6m-9cfi | 24 | 24 100% | 10 | 0 | 5 | See every field |
| Incidents Responded to by Fire Companies tm6d-hbzd | 24 | 24 100% | 4 | 0 | 1 | See every field |
| Early Learn Project Sites vmfm-wic2 | 24 | 24 100% | 13 | 0 | 8 | See every field |
| Local Law 159 of 2019: Vacate Relocation Charges By Building 3bkg-usya | 23 | 23 100% | 14 | 0 | 7 | See every field |
| Canine Waste Dispensers 5npv-j6gn | 23 | 23 100% | 8 | 0 | 4 | See every field |
| DOHMH School Cafeteria Inspections (Historical) 9hxz-c2kj | 23 | 23 100% | 14 | 0 | 5 | See every field |
| Participatory Budgeting Project Tracker qm5f-frjb | 23 | 23 100% | 8 | 0 | 3 | See every field |
| Mobile Telecommunications Franchise Pole Reservation Locations tbgj-tdd6 | 23 | 23 100% | 13 | 0 | 3 | See every field |
| 2020 DOE Kindergarten Admissions Guide 8532-9v5k | 22 | 22 100% | 15 | 0 | 5 | See every field |
| Certification of No Harassment (CONH) Pilot Building List bzxi-2tsw | 22 | 22 100% | 10 | 0 | 6 | See every field |
| 2021 DOE Kindergarten Admissions Guide e7es-jx5j | 22 | 22 100% | 15 | 0 | 5 | See every field |
| NYC Cooling Tower System Inspection Results f9wb-g8mb | 22 | 22 100% | 12 | 0 | 4 | See every field |
| NYC Taxi and Limousine Commission authorized Dispatch Service Providers (DSP) 2n4x-d97d | 21 | 21 100% | 8 | 0 | 4 | See every field |
| Local Law 161- Agency Calls to NYPD for Assistance at Job and SNAP Centers ejux-uh6h | 21 | 21 100% | 12 | 0 | 7 | See every field |
| Queens Library Branches kh3d-xhq7 | 21 | 21 100% | 11 | 0 | 7 | See every field |
| List of NYC Aging Providers with Sites Open to the Public u7wp-np5k | 21 | 21 100% | 16 | 0 | 6 | See every field |
| NYC Citywide Rolling Calendar Sales usep-8jbt | 21 | 21 100% | 10 | 0 | 2 | See every field |
| FloodNet: Sensor Deployment Metadata kb2e-tjy3 | 20 | 20 100% | 10 | 0 | 5 | See every field |
| Bronx Borough President Capital Funding mdgu-ar69 | 20 | 20 100% | 14 | 0 | 7 | See every field |
| 2012-2013 Young Adult Borough Centers pfn4-vjwr | 20 | 20 100% | 9 | 0 | 5 | See every field |
| Manhattan Community Grants - Historical rsnd-bbih | 20 | 20 100% | 9 | 0 | 3 | See every field |
| Order to Repair/Vacate Orders tb8q-a3ar | 20 | 20 100% | 11 | 0 | 5 | See every field |
| 2020 DOE Gifted and Talented Admissions Guide tcj7-bhry | 20 | 20 100% | 13 | 0 | 5 | See every field |
| Borough Enrollment Offices vz8c-29aj | 20 | 20 100% | 7 | 0 | 4 | See every field |
| Participatory Budgeting Projects wwhr-5ven | 20 | 20 100% | 10 | 0 | 5 | See every field |
| Child Abuse Liaisons xxjs-y9yk | 20 | 20 100% | 8 | 0 | 4 | See every field |
| Center & Service Locations 6smc-7mk6 | 19 | 19 100% | 8 | 0 | 5 | See every field |
| DOHMH Indoor Environmental Complaints 9jgj-bmct | 19 | 19 100% | 11 | 0 | 4 | See every field |
| iZone School List cr93-x2xf | 19 | 19 100% | 8 | 0 | 3 | See every field |
| Mapped In NY Companies f4yq-wry5 | 19 | 19 100% | 7 | 0 | 4 | See every field |
| Local Law 161 - Use of Force (UoF) Incidents at Benefits Access Centers and SNAP Centers gxfj-gcr2 | 19 | 19 100% | 14 | 0 | 7 | See every field |
| TLC Driver Exam Testing Center Locations h922-d8e5 | 19 | 19 100% | 12 | 0 | 7 | See every field |
| Buildings Selected for the Alternative Enforcement Program (AEP) hcir-3275 | 19 | 19 100% | 10 | 0 | 5 | See every field |
| Tourism Grants rma9-fm39 | 19 | 19 100% | 12 | 0 | 5 | See every field |
| Number of Participants in NYC Aging funded Programs 2td3-mfek | 18 | 18 100% | 13 | 0 | 6 | See every field |
| Court Liaison Contact Sheet tsy7-gcm8 | 18 | 18 100% | 9 | 0 | 4 | See every field |
| DSNY Garages xw3j-2yxf | 18 | 18 100% | 7 | 0 | 5 | See every field |
| NYCHA Customer Contact Centers 37fm-7uaa | 17 | 17 100% | 6 | 0 | 3 | See every field |
| Transportable Classroom Units- Buildings Only 3spy-rjpw | 17 | 17 100% | 9 | 0 | 6 | See every field |
| Directory Of NYC Cable Providers 48pb-zy2g | 17 | 17 100% | 7 | 0 | 4 | See every field |
| DCAS Managed Building Fuel Usage (Historical) 56u5-n9sa | 17 | 17 100% | 8 | 0 | 4 | See every field |
| Recurring Resident Economic Empowerment and Sustainability Programs 7su9-xgtn | 17 | 17 100% | 7 | 0 | 4 | See every field |
| Pre-Application Meetings 855v-w7mc | 17 | 17 100% | 11 | 0 | 6 | See every field |
| Application for State Aid 8gpu-s594 | 17 | 17 100% | 10 | 0 | 6 | See every field |
| Update to Submitted State Aid Projects gk83-aa6y | 17 | 17 100% | 8 | 0 | 4 | See every field |
| Buildings Selected for the Heat Sensor Program (HSP) h4mf-f24e | 17 | 17 100% | 7 | 0 | 5 | See every field |
| DCAS Managed Building Energy Usage ubdi-jgw2 | 17 | 17 100% | 8 | 0 | 4 | See every field |
| Local Law 161 Summons Issued by Peace Officers at Benefits Access Centers and SNAP Centers wn4z-dw55 | 17 | 17 100% | 15 | 0 | 7 | See every field |
| Directory of Family Justice Centers xggi-kgx9 | 17 | 17 100% | 6 | 0 | 3 | See every field |
| IceSkatingRinks_20190417 xvww-awjk | 17 | 17 100% | 3 | 0 | 2 | See every field |
A line means a dataset carries a field tagged with a shared vocabulary term. Two datasets on the same term speak the same language about it, which is what makes a cross-dataset question possible. Sharing a term is not the same as a working join — the dataset page says whether a specific pair compiles.
Bipartite. A dimension node is a conformed-dimension family; a dataset node is a catalog dataset; an edge means that dataset carries at least one column tagged with that dimension, and names the columns that carry it.
How many of an edge's tagging columns carry a method that actually read something. Zero means the edge rests entirely on carried lexical tags.
Two datasets on the same dimension node share a vocabulary, which is weaker than a join. GET /api/datasets/{fourFour}/bindings/{partner} decides whether a specific pair compiles; executing it additionally needs both marts present.
Gaps in the data behind this page
Source last observed Oct 10, 2026, 11:51 PM.
603 of the 3,026 datasets in the catalog list no columns at all.
603 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_no_inventory
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains.