@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91b67ce8-9a50-442f-a91e-3df915480137> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91b67ce8-9a50-442f-a91e-3df915480137> .