@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/639a2be9-17eb-4a03-993c-903ec66eeabd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/639a2be9-17eb-4a03-993c-903ec66eeabd> .