@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b4fb26-f55c-4b28-b009-74988fa29c76> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b4fb26-f55c-4b28-b009-74988fa29c76> .