@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81942bff-2ff1-4b94-9b37-fc1e615ea1eb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81942bff-2ff1-4b94-9b37-fc1e615ea1eb> .