@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91ffc6ef-780d-40c2-85ae-9bb5f2ec1a57> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91ffc6ef-780d-40c2-85ae-9bb5f2ec1a57> .