@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509523de-7578-4418-8f59-cb0c321aed17> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509523de-7578-4418-8f59-cb0c321aed17> .