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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, 3:08 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.
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| Landmarks Complaints ck4n-5h6x | 18 | 18 100% | 9 | 0 | 3 | See every field |
| Inclusionary Housing Properties cm6g-t7ye | 18 | 18 100% | 11 | 0 | 4 | See every field |
| 2014-15 To 2016-17 School- Level NYC Regents Report For All Variables csps-2ne9 | 18 | 18 100% | 6 | 0 | 0 | See every field |
| 2018 - 2020 CLASS and ECERS-R Data d7da-9deh | 18 | 18 100% | 4 | 0 | 0 | See every field |
| Financial Plan Baseline & Initiatives By Funding e64w-ctmw | 18 | 18 100% | 8 | 0 | 1 | See every field |
| Parking Meters - ParkNYC Block Faces e7yp-wx55 | 18 | 18 100% | 2 | 0 | 1 | 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 |
| DOHMH HIV/AIDS Annual Report fju2-rdad | 18 | 18 100% | 7 | 0 | 0 | See every field |
| 2017-2018 Computer Science Report LL177 gnum-kz6r | 18 | 18 100% | 1 | 0 | 0 | See every field |
| Transportation Sites hg3c-2jsy | 18 | 18 100% | 6 | 0 | 0 | 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 |
| Public Restrooms i7jb-7jku | 18 | 18 100% | 10 | 0 | 0 | See every field |
| English Language Arts (ELA) Test Results 2013-2023 iebs-5yhr | 18 | 18 100% | 7 | 0 | 0 | See every field |
| NYC Honorary Street Names Map (Intersection) ig76-wwag | 18 | 18 100% | 6 | 0 | 1 | See every field |
| KayakCanoeLaunch_20190417 k3sr-iysq | 18 | 18 100% | 2 | 0 | 1 | See every field |
| 2018-19 Guidance Counselor Report - Guidance Counselor khci-nhn2 | 18 | 18 100% | 4 | 0 | 0 | See every field |
| 2020 Yellow Taxi Trip Data kxp8-n2sj | 18 | 18 100% | 0 | 0 | 0 | See every field |
| 2021 Yellow Taxi Trip Data m6nq-qud6 | 18 | 18 100% | 12 | 0 | 0 | See every field |
| NYPD Calls for Service (Year to Date) n2zq-pubd | 18 | 18 100% | 15 | 0 | 1 | See every field |
| Licensees and Registrants Fleet Information n84m-kx4j | 18 | 18 100% | 4 | 0 | 0 | See every field |
| Class Size Report Detail Summary (2010-2015) nbpb-zygj | 18 | 18 100% | 11 | 0 | 2 | See every field |
| Bureau of Fire Prevention - Certificates of Fitness (Historical) pdiy-9ae5 | 18 | 18 100% | 9 | 0 | 4 | See every field |
| Projected Population 2010-2040 - Summary ph5g-sr3v | 18 | 18 100% | 1 | 0 | 0 | See every field |
| Directory Of Business Improvement Districts qpm9-j523 | 18 | 18 100% | 6 | 0 | 0 | See every field |
| 2016 DOE High School Performance Directory qvir-knu3 | 18 | 18 100% | 7 | 0 | 0 | See every field |
| FCRC Annual Concession Plan Franchises rbvx-jqnh | 18 | 18 100% | 6 | 0 | 0 | See every field |
| TAX_LOT_FACE sif6-3bej | 18 | 18 100% | 3 | 0 | 1 | See every field |
| Bus Stop Shelters t4f2-8md7 | 18 | 18 100% | 6 | 0 | 1 | See every field |
| Court Liaison Contact Sheet tsy7-gcm8 | 18 | 18 100% | 9 | 0 | 4 | See every field |
| BUILDING_P u9wf-3gbt | 18 | 18 100% | 6 | 0 | 1 | See every field |
| Local Law 49 Reporting uwx4-aafe | 18 | 18 100% | 0 | 0 | 0 | See every field |
| Adding Chemicals to Water Supply Permits v8i9-yfpr | 18 | 18 100% | 8 | 0 | 5 | See every field |
| Carshare Locations - Curbside wkij-g2bh | 18 | 18 100% | 8 | 0 | 1 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts - Providers x882-mwt5 | 18 | 18 100% | 9 | 0 | 3 | See every field |
| Government Publications Listing xip9-pe9k | 18 | 18 100% | 6 | 0 | 1 | See every field |
| Non-Public School Security Guard Reimbursement Program - Qualified Provider List xphq-immx | 18 | 18 100% | 10 | 0 | 5 | See every field |
| Department of Probation (DOP) Annual Adult Cases xsj8-452q | 18 | 18 100% | 2 | 0 | 1 | See every field |
| DSNY Garages xw3j-2yxf | 18 | 18 100% | 7 | 0 | 5 | See every field |
| Asset Management Parks System (AMPS) – Labor xzj8-i3jk | 18 | 18 100% | 1 | 0 | 0 | See every field |
| NYCHA Customer Contact Centers 37fm-7uaa | 17 | 17 100% | 6 | 0 | 3 | See every field |
| Broadband Adoption and Infrastructure by Congressional District 3kx3-7svp | 17 | 17 100% | 0 | 0 | 0 | See every field |
| Transportable Classroom Units- Buildings Only 3spy-rjpw | 17 | 17 100% | 9 | 0 | 6 | See every field |
| 2013 - 2014 DOE High School Performance-Directory 42et-jh9v | 17 | 17 100% | 11 | 0 | 0 | See every field |
| AIR_LOT_POLYGON 45at-qem6 | 17 | 17 100% | 1 | 0 | 0 | See every field |
| Directory Of NYC Cable Providers 48pb-zy2g | 17 | 17 100% | 7 | 0 | 4 | See every field |
| 2009 - 2010 School Progress Report 4n2j-ut8i | 17 | 17 100% | 9 | 0 | 0 | See every field |
| DCAS Managed Building Fuel Usage (Historical) 56u5-n9sa | 17 | 17 100% | 8 | 0 | 4 | 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, 3:08 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.