@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/644395b9-56b8-4d60-9c0f-b04ab3c658ab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/644395b9-56b8-4d60-9c0f-b04ab3c658ab> .