@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b421e8-0c26-4366-9dcd-33f4520d01d9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b421e8-0c26-4366-9dcd-33f4520d01d9> .