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Coverage

56,681 of 56,681 columns decided — 100.0% · 12,642 bound (22.3%) · 0 still unread

Bound: 12,642; 22.3%; a concept was found and asserted for the column.
Refused: 32,953; 58.1%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 11,086; 19.6%; read, but the evidence did not settle it.
Unanalysed: 0; 0.0%; 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 12, 2026, 2:04 AM

Where the unread columns are

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.

Gaps in the data behind this page

603 of the 3,026 datasets in the catalog list no columns at all.

Source last observed Oct 12, 2026, 2:04 AM.

Where each note comes from

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.

What we have understood

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.

← Citywide scorecard

Datasets by how much of them we have read

Datasets with the most fields left to read

Showing 251–300 of 603
Dataset	Fields	Decided	Understood	Nobody looked	Shared terms
DSNY Disposal Vendors (Map) fiar-9bv5	0	0 —	0	0	0	See every field
2016-2017 Elem MS Quality Reports fk5e-4bf4	0	0 —	0	0	0	See every field
NYC DOT Pedestrian Plazas (Map) fnkv-pyhj	0	0 —	0	0	0	See every field
FRESH Food Stores Zoning Boundaries (Map) fpbk-q97p	0	0 —	0	0	0	See every field
NYC Recovery & Resiliency Projects Map- Polygons fpuh-f5mr	0	0 —	0	0	0	See every field
The Stop, Question and Frisk Data ftxv-d5ix	0	0 —	0	0	0	See every field
Cable Franchise Areas fw3w-apxs	0	0 —	0	0	0	See every field
2014 Orthoimagery Queens - 2 of 2 fw5m-2rb3	0	0 —	0	0	0	See every field
Directory of Outdoor Swimming Pools fx7a-24mf	0	0 —	0	0	0	See every field
2018 Kindergarten Directory - Brooklyn g2p7-76t7	0	0 —	0	0	0	See every field
VZV Street Teams g3iw-w5rt	0	0 —	0	0	0	See every field
VZV Signal Timing/25MPH Signal Retiming g5vn-nwqt	0	0 —	0	0	0	See every field
NYC Planimetric Database: Open Space (Parks) g84h-jbjm	0	0 —	0	0	0	See every field
Pharmaceutical and Syringe Drop-Off Locations in NYC (Map) g9pi-q9mx	0	0 —	0	0	0	See every field
2017 - 2018 2018 NYC School Survey Student Data gcx5-axug	0	0 —	0	0	0	See every field
Housing Database by 2024 City Council (Map) gf2p-d6pi	0	0 —	0	0	0	See every field
Scenic Landmarks (Map) gi7d-8gt5	0	0 —	0	0	0	See every field
2004 Ortho Tile Index gnpd-qabs	0	0 —	0	0	0	See every field
Post Office gpxw-bq7a	0	0 —	0	0	0	See every field
Broadway Events Calendar gs56-euca	0	0 —	0	0	0	See every field
DEP Green Infrastructure Map (Point Layer) gs9u-q4vv	0	0 —	0	0	0	See every field
Bicycle Counts for East River Bridges (Historical) gua4-p9wg	0	0 —	0	0	0	See every field
Adolescents in Foster Care (permanency outcomes) gx5n-2nma	0	0 —	0	0	0	See every field
Directory of Zoos and Aquariums gzk5-mux8	0	0 —	0	0	0	See every field
Election Districts h2n3-98hq	0	0 —	0	0	0	See every field
Forestry Inspections h2wd-pfdx	0	0 —	0	0	0	See every field
DEP Green Infrastructure Map (All Layers) h3ce-uahi	0	0 —	0	0	0	See every field
2015–2016 Report on Special Education h424-4zbv	0	0 —	0	0	0	See every field
2008 Orthoimagery Queens h49x-6v6r	0	0 —	0	0	0	See every field
State Senate Districts h4i2-acfi	0	0 —	0	0	0	See every field
NYC Planimetric Database: Parking Lot h7zy-iq3d	0	0 —	0	0	0	See every field
Street Pavement Ratings (Map) h933-akrx	0	0 —	0	0	0	See every field
NYC Planimetric Database: Transportation Structures h9sf-7bej	0	0 —	0	0	0	See every field
Sea Level Rise Maps (2050s 100-year Floodplain) hbw8-2bah	0	0 —	0	0	0	See every field
TAX_LOT_FACE hbxj-x5sm	0	0 —	0	0	0	See every field
NYC Planimetric Database: Median he4e-vxnk	0	0 —	0	0	0	See every field
Land Cover Raster Data (2017) – 6in Resolution he6d-2qns	0	0 —	0	0	0	See every field
VZV Outreach Schools hein-emv8	0	0 —	0	0	0	See every field
Protected Streets - Intersections hfa3-euj3	0	0 —	0	0	0	See every field
Children In 24-hour Foster Care by Community District hfa5-7rzg	0	0 —	0	0	0	See every field
Wastewater Treatment Plant Performance Data hgue-hj96	0	0 —	0	0	0	See every field
Fire Divisions hkpx-aaxc	0	0 —	0	0	0	See every field
Private Ferry Monthly Passenger Counts hn6c-5qkb	0	0 —	0	0	0	See every field
NYC Urban Tree Canopy Assessment Metrics 2010 hnxz-kkn5	0	0 —	0	0	0	See every field
Directory of Public Computer Resource Centers hr2s-xdcw	0	0 —	0	0	0	See every field
Botanical Gardens hrii-hezj	0	0 —	0	0	0	See every field
2018 Kindergarten Directory - Staten Island hrn4-5ast	0	0 —	0	0	0	See every field
NYC Planimetric Database: Boardwalk htur-iwux	0	0 —	0	0	0	See every field
New York City Water Trail (Kayak and Canoe Launch Sites) hxay-3qcw	0	0 —	0	0	0	See every field
2010 Orthoimagery Staten Island hxff-kzzc	0	0 —	0	0	0	See every field

The web of datasets and fields

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.

No field list yet: We hold no columns for these at all.
Nothing read yet: We hold their columns and have decided none of them.
Under half read: Fewer than half their fields carry a verdict.
Half read: At least half their fields carry a verdict.
Most read: At least three quarters of their fields carry a verdict.
Every field decided: Every field carries a verdict — which does not mean every field is understood.

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.