Towards a geospatial knowledge graph resource for information retrieval and reasoning regarding drinking water supply networks: the case of the Haute Matsiatra region, Madagascar

RAEP-KG is the first comprehensive geospatial RDF Knowledge Graph dedicated to intermittent rural and peri-urban drinking water distribution networks in the Global South, specifically covering the Haute Matsiatra region, Madagascar.Dataset Characteristics: Total Triples: 3,435,498 RDF triples Network Segments: 26,050 topological pipeline segments Structural Components:17,998 hydraulic entities (reservoirs, break-pressure tanks, public fountains, private connections, valves, junctions) Coverage: 150 administrative fokontany serving over 410,000 residents Standards: W3C RDF Turtle, OGC GeoSPARQL 1.1 (WKT literals in EPSG:4326 and EPSG:32738), W3C Time Ontology, Custom RAEP Ontology License: Creative Commons Attribution 4.0 International (CC-BY 4.0)