Provenance
Where every value comes from, counted across the 1,902 records in release 2026-10-20. Three chips appear beside facts on record and owner pages: documented a quoted excerpt from the source supports the value · reported a source or origin is named, no excerpt yet · no source nothing recorded. The same chips are on the network map.
By tier
| Tier | Records | Meaning |
|---|---|---|
| draft | 1,722 | imported from Wikipedia, Wikidata, Esri or public reporting, with model-extracted fields; not yet reviewed by a person |
| curated | 180 | taken from the authors' public 2021 map; not reviewed by them for this site |
Facts by chip
| Chip | Fact values | Share |
|---|---|---|
| reported | 6,757 | 58 % |
| no source | 2,593 | 22 % |
| documented | 2,324 | 20 % |
Counted over the fields shown on record pages (status, strategy, new use, years, size, developers, planning). 1,523 records have at least one quoted sentence; 2,324 quoted sentences support a field.
By field
| Field | documented | reported | no source |
|---|---|---|---|
| status | 493 | 1,015 | 394 |
| strategy | 384 | 193 | 957 |
| new_use | 0 | 437 | 949 |
| after_notes | 430 | 901 | 0 |
| year_opened | 222 | 552 | 0 |
| developer | 0 | 710 | 0 |
| year_retrofit | 0 | 634 | 0 |
| year_closed | 337 | 163 | 0 |
| original_developer | 246 | 151 | 0 |
| planning_notes | 0 | 139 | 179 |
| gla_sqft | 35 | 276 | 0 |
| acres | 84 | 172 | 0 |
| stores_peak | 0 | 245 | 0 |
| entitlement_year | 0 | 95 | 114 |
| zoning_change | 67 | 128 | 0 |
| state | 0 | 121 | 0 |
| original_architect | 0 | 100 | 0 |
| city | 0 | 99 | 0 |
| public_subsidy | 26 | 73 | 0 |
| levels | 0 | 98 | 0 |
| county | 0 | 92 | 0 |
| address | 0 | 91 | 0 |
| wikidata_qid | 0 | 78 | 0 |
| share_retrofit | 0 | 55 | 0 |
| owner_of_record | 0 | 47 | 0 |
| narrative | 0 | 44 | 0 |
| lat | 0 | 39 | 0 |
| architect | 0 | 5 | 0 |
| aka | 0 | 4 | 0 |
By origin of the value
| Origin | Provenance rows |
|---|---|
| model extraction, unreviewed | 6,546 |
| authors' map | 1,282 |
| Wikipedia | 727 |
| Wikidata | 506 |
| Esri 2014 layer | 474 |
| Census geocoder | 174 |
| derived from authors' map (retrofit year present) | 114 |
| research | 111 |
| public reporting | 59 |
| web research agent | 43 |
| gapfill-2026-10-16/nominatim | 34 |
| gapfill-2026-10-16/nominatim-reverse | 34 |
| public sources | 31 |
| gapfill-2026-10-16/census-coordinates | 12 |
| Atlas staff review | 10 |
| gapfill-2026-10-16/wikidata-p625 | 4 |
| derived (no status in authors' map) | 3 |
| gapfill-2026-10-16 | 2 |
A provenance row records which pipeline step wrote a field. "model extraction, unreviewed" rows are the ones a person has not yet read; they stay in the draft tier.
By source type
| Source kind | Rows |
|---|---|
| wikipedia | 6,889 |
| quote | 1,372 |
| news | 870 |
| arcgis | 152 |
| hermes-web | 146 |
| planning | 23 |
| research | 20 |
What this does not tell you
A documented chip means the sentence was quoted from the linked page at retrieval time, not that the page is right or current. The authors have not reviewed any record; Ellen Dunham-Jones has said that AI is "amazingly bad" at the before-facts, so before-facts without a quote should be treated as leads. Audit method and known error modes: Methods and limits. Machine-readable: every record has /data/records/<id>.provenance.json.
Page generated with the site, release 2026-10-20. Corrections: the form or desk@retrofitatlas.org.