@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff5bf9ef-e009-4b23-8d2b-904832e2174d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff5bf9ef-e009-4b23-8d2b-904832e2174d> .