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Coverage

46,873 of 56,681 columns decided — 82.7% · 9,148 bound (16.1%) · 9,808 still unread

Bound: 9,148; 16.1%; a concept was found and asserted for the column.
Refused: 29,070; 51.3%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 8,655; 15.3%; read, but the evidence did not settle it.
Unanalysed: 9,808; 17.3%; 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 10, 2026, 2:47 PM

Where the unread columns are

3,026 datasets, 56,681 catalogued fields, 9,808 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

WalkNYC Sign Locations

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← What we have understood · Dataset page

Fields catalogued

Understood

Checked, no match

Nobody has looked

Half read — At least half their fields carry a verdict.

Every field in this dataset

Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.

Field	Type	What we know	Meaning	How it was decided	Shared term
street Street	Text	Nobody has looked	—	—	—
site_id Site_ID	Text	Checked, no match	—	value_domain_read smallest=AS-002 largest=X6-055	—
coun_dist CounDist	Text	Nobody has looked	—	—	—
x X	Number	Understood	geometry.longitude Longitude	value_domain_read smallest=-74.244118 largest=-73.701392	—
femafldz FEMAFldz	Text	Checked, no match	—	value_domain_read top[2]={X×2098; AE×66}	—
femafld_t FEMAFldT	Text	Checked, no match	—	value_domain_read top[2]={AREA OF MINIMAL FLOOD HAZARD×2030; 0.2 PCT ANNUAL CHANCE FLOOD HAZARD×68}	—
start_date StartDate	Text	Not enough to tell	—	value_profile	—
boro_cd BoroCD	Text	Understood	place.community_district Community District / Board	value_domain_read top[8 of 20]={101×85; 105×64; 302×49; 108×47; 103×42; 407×34; 204×33; 112×30}	—
type Type	Text	Understood	category.classification Publisher classification	value_profile top[8 of 11]={Type B×511; Type D×250; Type A×100; Custom×58; Fingerpost×23; Type C×15; Greenway (A)×9; Wall Mount×6}	—
y Y	Number	Understood	geometry.latitude Latitude	value_domain_read smallest=40.509037 largest=40.907688	—
ntaname NTAName	Text	Checked, no match	—	value_domain_read	—
status Status	Text	Nobody has looked	—	—	—
hrc_evac HrcEvac	Text	Checked, no match	—	value_domain_read top[6]={5×203; 6×192; 4×127; 3×102; 1×102; 2×64}	—
xstreet_1 XStreet1	Text	Nobody has looked	—	—	—
the_geom	Point	Nobody has looked	—	—	—
cong_dist CongDist	Text	Checked, no match	—	value_domain_read card=13 nonnull=2164 null=0 smallest=3 largest=16	—
boro_code BoroCode	Text	Understood	place.borough Borough	value_domain_read	borough
angle Angle	Number	Checked, no match	—	value_domain_read smallest=4.29154332343 largest=3744.68862602	—
st_sen_dist StSenDist	Text	Checked, no match	—	value_domain_read card=26 nonnull=2164 null=0 smallest=10 largest=36	—
side Side	Text	Checked, no match	—	value_domain_read top[5]={W×273; E×239; N×230; S×228; C×7}	—
boro_name BoroName	Text	Understood	place.borough Borough	value_domain_read	borough
xstreet_2 XStreet2	Text	Nobody has looked	—	—	—
assem_dist AssemDist	Text	Checked, no match	—	value_domain_read card=65 nonnull=2164 null=0 smallest=23 largest=87	—