@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91f7aa48-b917-4033-ac50-0d1e3987d562> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91f7aa48-b917-4033-ac50-0d1e3987d562> .