A collection of datasets from various Dutch institutions to demonstrate a Spatial Data Infrastructure built on Portolan.
Statistics Netherlands. CBS publishes geographic statistical data including neighborhood boundaries, population density, land use, postcode-level demographics, and health indicators at various administrative levels.
All data is available as GeoParquet for analytics and PMTiles for instant map visualization from Source Cooperative. Every collection includes an llms.txt with field descriptions and query examples for AI/agent access.
This cloud-native infrastructure demonstrates how PDOK's existing CBS services could be extended — GeoParquet for scalable analytics, PMTiles for map visualization directly from object storage, and STAC+llms.txt for AI-friendly discovery and querying.
Published with Portolan
| Human Health Statistics |
| 24 |
| GeoParquet (2 files), PMTiles |
| INSPIRE health indicators (doctors, mortality) per province |