@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509d5fb1-8200-48fb-8dd2-ee3059a5a3cc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509d5fb1-8200-48fb-8dd2-ee3059a5a3cc> .