@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ec8d1a-3f2a-4fd0-8dff-c1181d9b7391> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ec8d1a-3f2a-4fd0-8dff-c1181d9b7391> .