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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 11, 2026, 11:41 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 community_district. Clear
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| Overhead Electronic Signs yhdx-itry | 24 | 24 100% | 8 | 0 | 3 | See every field |
| NYC Pool Inspections 3kfa-rvez | 23 | 23 100% | 9 | 0 | 3 | 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 |
| Dining Out NYC Locations fpeh-f7ci | 23 | 23 100% | 15 | 0 | 5 | See every field |
| BP Appointments - BIDS pvxf-9irb | 23 | 23 100% | 7 | 0 | 5 | See every field |
| Mobile Telecommunications Franchise Pole Reservation Locations tbgj-tdd6 | 23 | 23 100% | 13 | 0 | 3 | See every field |
| Serious Injury Response, Tracking & Analysis Program (SIRTA) xeqp-qz8h | 23 | 23 100% | 11 | 0 | 5 | See every field |
| 2019 Volunteers Count Report - Boroughs yunp-vs8g | 23 | 23 100% | 8 | 0 | 4 | See every field |
| 2020 DOE Kindergarten Admissions Guide 8532-9v5k | 22 | 22 100% | 15 | 0 | 5 | See every field |
| Grant Applications Tracking Table 97zg-4p9t | 22 | 22 100% | 13 | 0 | 4 | See every field |
| Certification of No Harassment (CONH) Pilot Building List bzxi-2tsw | 22 | 22 100% | 10 | 0 | 6 | See every field |
| Accessible Pedestrian Signal Locations de3m-c5p4 | 22 | 22 100% | 9 | 0 | 3 | See every field |
| 2021 DOE Kindergarten Admissions Guide e7es-jx5j | 22 | 22 100% | 15 | 0 | 5 | See every field |
| NYC Drinking Water Tank Inspections and Audits Compliance Results rytv-g5ui | 22 | 22 100% | 12 | 0 | 4 | See every field |
| DCAS Managed Public Buildings xx2p-4jnq | 22 | 22 100% | 11 | 0 | 4 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts FY2018 (Physical Address) 922w-z7da | 21 | 21 100% | 8 | 0 | 5 | See every field |
| Bureau of Fire Prevention - Active Violation Orders (Historical) bi53-yph3 | 21 | 21 100% | 11 | 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 |
| Clergy Parking Permits bvug-v3mm | 20 | 20 100% | 11 | 0 | 5 | See every field |
| Active NYC Health Code Regulated Child Care Programs gy3q-4tzp | 20 | 20 100% | 9 | 0 | 4 | See every field |
| FloodNet: Sensor Deployment Metadata kb2e-tjy3 | 20 | 20 100% | 10 | 0 | 5 | See every field |
| Legal Defense Trust Expenditures mhyv-6iza | 20 | 20 100% | 14 | 0 | 6 | See every field |
| 2012-2013 Young Adult Borough Centers pfn4-vjwr | 20 | 20 100% | 9 | 0 | 5 | See every field |
| DOHMH HIV Service Directory pwts-g83w | 20 | 20 100% | 10 | 0 | 6 | See every field |
| Bureau of Fire Prevention - Inspections (Historical) ssq6-fkht | 20 | 20 100% | 11 | 0 | 4 | See every field |
| 2020 DOE Gifted and Talented Admissions Guide tcj7-bhry | 20 | 20 100% | 13 | 0 | 5 | See every field |
| Real Property Income and Expense Form non-compliance list wvts-6tdf | 20 | 20 100% | 12 | 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 |
| Internet Master Plan: Broadband Adoption and Infrastructure by Community District rxpf-yca2 | 19 | 19 100% | 2 | 0 | 2 | See every field |
| SCOUT CORE xrwg-eczf | 19 | 19 100% | 11 | 0 | 5 | See every field |
| Number of Participants in NYC Aging funded Programs 2td3-mfek | 18 | 18 100% | 13 | 0 | 6 | See every field |
| Licensed Wholesale Cigarette Dealers 98b7-th5j | 18 | 18 100% | 12 | 0 | 6 | See every field |
| Parks Permit Areas c5vm-g2dk | 18 | 18 100% | 4 | 0 | 3 | See every field |
| Other Tobacco Products License f264-qcv3 | 18 | 18 100% | 11 | 0 | 5 | See every field |
| Board of Standards and Appeals (BSA) Action Portal f72e-3i4c | 18 | 18 100% | 5 | 0 | 3 | See every field |
| NYC EV Fleet Station Network fc53-9hrv | 18 | 18 100% | 10 | 0 | 5 | See every field |
| Ready NY Events hyur-qpyf | 18 | 18 100% | 11 | 0 | 5 | See every field |
| NYC Community Based Organizations i4kb-6ab6 | 18 | 18 100% | 9 | 0 | 4 | See every field |
| Bureau of Fire Prevention - Certificates of Fitness (Historical) pdiy-9ae5 | 18 | 18 100% | 9 | 0 | 4 | See every field |
| Adding Chemicals to Water Supply Permits v8i9-yfpr | 18 | 18 100% | 8 | 0 | 5 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts - Providers x882-mwt5 | 18 | 18 100% | 9 | 0 | 3 | See every field |
| Non-Public School Security Guard Reimbursement Program - Qualified Provider List xphq-immx | 18 | 18 100% | 10 | 0 | 5 | See every field |
| DSNY Garages xw3j-2yxf | 18 | 18 100% | 7 | 0 | 5 | See every field |
| Transportable Classroom Units- Buildings Only 3spy-rjpw | 17 | 17 100% | 9 | 0 | 6 | 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 |
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 11, 2026, 11:41 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, any dataset page.