@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a3f4d1-8bdc-4460-901c-ecb9bb5135b5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a3f4d1-8bdc-4460-901c-ecb9bb5135b5> .