@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff9b2a69-5af8-4fa0-b23e-9f1aee741e0b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff9b2a69-5af8-4fa0-b23e-9f1aee741e0b> .