@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91c311e9-a46a-4d5a-88ac-3af8f4f40eea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91c311e9-a46a-4d5a-88ac-3af8f4f40eea> .