@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9df90d9-72c7-4a84-8852-bf42b879131b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9df90d9-72c7-4a84-8852-bf42b879131b> .