Callejear MCP — sources and transformations Data version: madrid-9a4b6ae4425b6db81db515f5467c72923b64587b343080ca119ddd98c526971b Calculation date: 2026-10-13T21:16:25.756122+00:00; NOT a source update date. OSM-derived database: © OpenStreetMap contributors, ODbL 1.0. https://opendatacommons.org/licenses/odbl/1-0/ https://www.openstreetmap.org/copyright The downloadable dataset supplies the complete bounded derivative used by this service. The additional source extract supplies the local POI observations used for counts. Transforms: select Madrid records, validate representative point and identity, count raw records within 500 m by Haversine; preserve incomplete coverage. No individual POI dates or typed OSM identities were preserved by the historical importer. Municipal identifiers: Ayuntamiento de Madrid — Callejero oficial, CC BY 4.0. https://datos.madrid.es/dataset/213605-0-callejero-oficial-madrid https://creativecommons.org/licenses/by/4.0/ https://datos.madrid.es/pages/condiciones-generales-ayuntamiento-de-madrid Original vial CSV last-modified: 2026-09-28T09:37:15+00:00 Callejear performed selection and spatial matching. Neither source endorses this product. The ODbL notice covers the OSM-derived database, not the independently developed application code. The separate municipal source retains its attribution and license.