@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f68d20c9-0914-4077-b593-41e69c443def> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f68d20c9-0914-4077-b593-41e69c443def> .