@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509ff468-7bb2-4049-8997-bdca5f1b7548> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509ff468-7bb2-4049-8997-bdca5f1b7548> .