@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51f67b78-57eb-4621-9272-5d1cc3d1bdda> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51f67b78-57eb-4621-9272-5d1cc3d1bdda> .