@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668b4e18-6bac-4f59-9612-dab2a36ea397> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668b4e18-6bac-4f59-9612-dab2a36ea397> .