@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff3acb9d-e98a-41a9-90c6-20ef7f74f891> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff3acb9d-e98a-41a9-90c6-20ef7f74f891> .