@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/491a70da-b987-4d92-b560-3416bed41855> rdfs:isDefinedBy <https://stad.gent/data/blank_node/491a70da-b987-4d92-b560-3416bed41855> .