@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91ab68e9-3d71-4124-b420-2830dd64c860> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91ab68e9-3d71-4124-b420-2830dd64c860> .