@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a91f61a3-22ce-4d66-b523-0f5f5efd77ef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a91f61a3-22ce-4d66-b523-0f5f5efd77ef> .