@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91b0a3c9-90af-4ba3-8ff6-6337613549db> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91b0a3c9-90af-4ba3-8ff6-6337613549db> .