@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/539ffc46-d459-411e-8718-2a5f06ede406> rdfs:isDefinedBy <https://stad.gent/data/blank_node/539ffc46-d459-411e-8718-2a5f06ede406> .