Compares VKG approach against PostgreSQL + REST API for cloud-native geospatial data integration. Federates Sentinel-2 COGs (raster) and Overture Maps GeoParquet (vector) via DuckDB FDW, PostGIS, and PL/Python. Evaluates two raster integration strategies, and SPARQL (Ontop VKG) vs REST API (pg_featureserv) trade-offs. Fully Dockerised.
pythondockersparqlgeospatialpostgresqlpostgisgraphdbontoprasteriondvisentinel-2stacgeosparqlvirtual-knowledge-graphduckdbduckdb-fdwoverture-mapscloud-native-geospatialspatio-temporal-asset-catalogpg-featureserv
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Updated
Aug 17, 2026 - PLpgSQL