@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ad4c91c1-44de-401b-a76b-50023df295cb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ad4c91c1-44de-401b-a76b-50023df295cb> .