@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21a91ce7-2718-4321-bb68-3fcbd9b27bfd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21a91ce7-2718-4321-bb68-3fcbd9b27bfd> .