herimap — European heritage ownership corpusDatasettext/csv; application/geo+json; application/x-ndjsonherimap-corpus-1.0.02026-08-28enOpen Data Commons Open Database License (ODbL) v1.0 — https://opendatacommons.org/licenses/odbl/1-0/83382 documented heritage buildings across 45 countries; 65927 carry an ownership estimate.cultural heritagehistoric buildingsproperty ownershipEurope