@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ec57d55f-0a3d-45ae-bb23-652fef5c831b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ec57d55f-0a3d-45ae-bb23-652fef5c831b> .