@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a91c2f7f-7807-43a3-a570-3488fe0717cd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a91c2f7f-7807-43a3-a570-3488fe0717cd> .