@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ea4991-321f-4181-bd0f-0cbed3b59057> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ea4991-321f-4181-bd0f-0cbed3b59057> .