@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/18e4c8ca-3d29-4b58-a68b-bdbde316b5ce> rdfs:isDefinedBy <https://stad.gent/data/blank_node/18e4c8ca-3d29-4b58-a68b-bdbde316b5ce> .