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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, 1:55 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.

2015 Street Tree Census - Blockface Data

ju3b-rwpy

← 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
end_long	Number	Nobody has looked	—	—	—
start_x_sp	Number	Nobody has looked	—	—	—
zip_city	Text	Checked, no match	—	value_domain_read top[8 of 20]={Brooklyn×34219; Staten Island×17261; Bronx×16906; New York×12179; Jamaica×5660; Flushing×4296; Queens Village×2324; Fresh Meadows×1849}	—
surv_date	Calendar date	Not enough to tell	—	value_profile	—
end_lat	Number	Nobody has looked	—	—	—
mid_long	Number	Nobody has looked	—	—	—
cb_num	Number	Understood	place.community_district Community District / Board	value_domain_read	community_district
nta_name	Text	Checked, no match	—	value_domain_read	—
st_assem	Number	Checked, no match	—	value_domain_read card=65 nonnull=131488 null=0 smallest=23 largest=87	—
zipcode	Text	Checked, no match	—	value_domain_read	—
start_long	Number	Nobody has looked	—	—	—
block_id	Number	Checked, no match	—	value_domain_read card=131488 nonnull=131488 null=0 smallest=100000 largest=999999	—
mid_lat	Number	Nobody has looked	—	—	—
group_name	Text	Checked, no match	—	value_domain_read top[8 of 20]={Not in a group territory×90638; NYC Parks×12274; NYC Parks Experts×10182; Trees New York×2272;	—
end_y_sp	Number	Understood	geometry.projected_coordinate.northing Northing	value_domain_read smallest=121056.52680200000 largest=272072.46463500000 sum=25752445412.14808700000 average=195853.9593890552	—
shape_leng SHAPE_Leng	Number	Checked, no match	—	value_domain_read smallest=0.00929118002 largest=14116.84413540000 sum=55315860.43119370066 average=420.6913211182290	—
mid_x_sp	Number	Nobody has looked	—	—	—
mid_y_sp	Number	Understood	geometry.projected_coordinate.northing Northing	value_domain_read smallest=121056.52680200000 largest=272072.46463500000 sum=25752445412.14808700000 average=195853.9593890552	—
end_x_sp	Number	Nobody has looked	—	—	—
boro_ct	Number	Understood	place.census_tract Census Tract	value_domain_read	census_tract
cncldist	Number	Nobody has looked	—	—	—
trees	Number	Checked, no match	—	value_domain_read smallest=0 largest=450 sum=683788 average=5.200383304940375	—
borocode	Number	Understood	place.borough Borough	value_domain_read	borough
st_senate	Number	Checked, no match	—	value_domain_read card=26 nonnull=131488 null=0 smallest=10 largest=36	—
nta	Text	Understood	place.nta Neighborhood Tabulation Area	value_domain_read	nta
start_lat	Number	Nobody has looked	—	—	—
start_y_sp	Number	Understood	geometry.projected_coordinate.northing Northing	value_domain_read smallest=121056.52680200000 largest=272072.46463500000 sum=25752445412.14808700000 average=195853.9593890552	—
block_stat	Text	Nobody has looked	—	—	—
state	Text	Checked, no match	—	value_domain_read top[1]={New York×131488}	—
boroname	Text	Understood	place.borough Borough	value_domain_read	borough