@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff57b4bb-1137-4fea-a506-01899af6472d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff57b4bb-1137-4fea-a506-01899af6472d> .