@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef9a5862-15ca-4811-848d-ba0628476acd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef9a5862-15ca-4811-848d-ba0628476acd> .