ERA Knowledge Graph SPARQL Endpoint (RINF+)
Public SPARQL endpoint over the RINF+ repository, the infrastructure graph expressed with the ERA Ontology 3.1.x model, served from the Agency's GraphDB deployment. Verified queryable on 2026-08-06, when the repository reported 53,716,816 triples. Companion repositories on the same deployment hold the ERA ontology itself (OWL, SKOS, and SHACL) and references to railway legislation.