@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/d4df1557-6219-47af-8c84-9a3421a6ae78> rdfs:isDefinedBy <https://stad.gent/data/blank_node/d4df1557-6219-47af-8c84-9a3421a6ae78> .