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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 9:57 AM
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 bin. Clear
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| Taxicab Partition Manufacturers and Installers y9b6-624z | 17 | 17 100% | 11 | 0 | 6 | See every field |
| Jobs Created by Energy Cost Savings Program Savings for Businesses yqky-aebb | 17 | 17 100% | 11 | 0 | 5 | See every field |
| Small Business Services (SBS) Equal Employment Opportunity (EO 50) Certified Businesses 5vi6-xdpy | 16 | 16 100% | 12 | 0 | 6 | See every field |
| BUILDING 5zhs-2jue | 16 | 16 100% | 4 | 0 | 1 | See every field |
| Local Law 161 Arrests by Peace Officers at Benefits Access Centers and SNAP Centers 7wa7-cvt5 | 16 | 16 100% | 8 | 0 | 3 | See every field |
| Industrial & Commercial Abatement Program (ICAP) Businesses that received EO50 certificate of approval from SBS 9a87-6m4x | 16 | 16 100% | 11 | 0 | 5 | See every field |
| Directory of Benefits Access Centers 9d9t-bmk7 | 16 | 16 100% | 8 | 0 | 5 | See every field |
| Directory of NYCHA Community Facilities crns-fw6u | 16 | 16 100% | 11 | 0 | 7 | See every field |
| Community Board Contact List dy27-rrad | 16 | 16 100% | 11 | 0 | 6 | See every field |
| Medicaid Offices ibs4-k445 | 16 | 16 100% | 10 | 0 | 6 | See every field |
| Bureau of Fire Prevention - Building Summary (Historical) nvgj-hbht | 16 | 16 100% | 6 | 0 | 4 | See every field |
| Multiple Dwelling Registrations tesw-yqqr | 16 | 16 100% | 4 | 0 | 2 | See every field |
| Local Law 161 Removals by Peace Officers at Benefits Access Centers and SNAP Centers tm9k-c4na | 16 | 16 100% | 14 | 0 | 7 | See every field |
| Local Law 161 - Escorts at Benefits Access Centers and SNAP Centers tzsf-n2j8 | 16 | 16 100% | 13 | 0 | 7 | See every field |
| DCLA Cultural Organizations u35m-9t32 | 16 | 16 100% | 6 | 0 | 3 | See every field |
| Referral Centers For High School Alternatives w8dz-xpjh | 16 | 16 100% | 6 | 0 | 4 | See every field |
| Buildings Selected for the Underlying Conditions Program xpbf-ithr | 16 | 16 100% | 9 | 0 | 5 | See every field |
| NYC Cooling Tower Registrations y4fw-iqfr | 16 | 16 100% | 8 | 0 | 5 | See every field |
| BUILDING_HISTORIC_P 9xsq-wn7d | 15 | 15 100% | 6 | 0 | 1 | See every field |
| NYCHA Facilities and Service Centers d4iy-9uh7 | 15 | 15 100% | 7 | 0 | 4 | See every field |
| Capacity Projects in Process Site Locations dtmw-avzj | 15 | 15 100% | 11 | 0 | 7 | See every field |
| Hurricane Evacuation Centers p5md-weyf | 15 | 15 100% | 4 | 0 | 2 | See every field |
| Directory of SNAP Centers tc6u-8rnp | 15 | 15 100% | 8 | 0 | 5 | See every field |
| MBPO Broadway Storefront Vacancy Survey 2020 w49t-5gha | 15 | 15 100% | 9 | 0 | 5 | See every field |
| Capital Grant Awards 2018 66yh-nemi | 14 | 14 100% | 6 | 0 | 4 | See every field |
| Capital Grant Awards 2015 6wee-b7wf | 14 | 14 100% | 8 | 0 | 4 | See every field |
| Capital Grant Awards 2016 83z6-smyr | 14 | 14 100% | 7 | 0 | 3 | See every field |
| Directory Of DHS Contacts cete-9g3v | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Permitted Nonpotable Wells gnyq-kf2y | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Radiation Producing Equipment i595-2byq | 14 | 14 100% | 6 | 0 | 2 | See every field |
| Capital Grant Awards 2017 k84j-firu | 14 | 14 100% | 6 | 0 | 4 | See every field |
| Directory Of Homebase Locations ntcm-2w4k | 14 | 14 100% | 7 | 0 | 4 | See every field |
| GED Plus Locations pd5h-92mc | 14 | 14 100% | 9 | 0 | 4 | See every field |
| Manhattan Community Garden Sites Data qrb4-aqtx | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Recognized Shop Healthy Stores ud4g-9x9z | 14 | 14 100% | 11 | 0 | 6 | See every field |
| Police- Community Relations Awards 2016 w38c-pyzq | 14 | 14 100% | 9 | 0 | 5 | See every field |
| Pre-K Project Site Location 4zdr-zwdi | 13 | 13 100% | 8 | 0 | 7 | See every field |
| Directory Of Homeless Drop- In Centers bmxf-3rd4 | 13 | 13 100% | 7 | 0 | 4 | See every field |
| LIBRARY feuq-due4 | 13 | 13 100% | 7 | 0 | 3 | See every field |
| Parks Closure Status Due to COVID-19: Comfort Stations i5n2-q8ck | 13 | 13 100% | 5 | 0 | 1 | See every field |
| Arches Organization Information jign-uhe6 | 13 | 13 100% | 7 | 0 | 4 | See every field |
| Safe Routes to Schools - Priority Schools pc34-d3sx | 13 | 13 100% | 9 | 0 | 5 | See every field |
| Borough Enrollment Centers (Additional Ways To Graduate) yj3u-pw36 | 13 | 13 100% | 8 | 0 | 5 | See every field |
| 3K Projects by Site Locations yv4m-nu6d | 13 | 13 100% | 10 | 0 | 7 | See every field |
| FDNY Firehouse Listing hc8x-tcnd | 12 | 12 100% | 7 | 0 | 4 | See every field |
| NYC Municipal Building Energy Benchmarking Results (2014) hpid-63r5 | 12 | 12 100% | 2 | 0 | 2 | See every field |
| NYC Bridge Strike Data jdn9-td9w | 12 | 12 100% | 7 | 0 | 2 | See every field |
| Directory Of DOP Office Locations tfbb-gszk | 12 | 12 100% | 6 | 0 | 3 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts FY2018 (Location) 29km-avyc | 11 | 11 100% | 7 | 0 | 5 | See every field |
| Mandatory Inspections by Fire Companies kfgh-h6re | 11 | 11 100% | 7 | 0 | 3 | 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 12, 2026, 9:57 AM.
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.