@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57138415-db2d-4778-bb49-e8d54a23a762> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57138415-db2d-4778-bb49-e8d54a23a762> .