@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff54c7e1-ed0c-4cb6-808e-83b8eb0c8c66> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff54c7e1-ed0c-4cb6-808e-83b8eb0c8c66> .