@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/171508b9-38cc-4e09-b3e0-310f17142861> rdfs:isDefinedBy <https://stad.gent/data/blank_node/171508b9-38cc-4e09-b3e0-310f17142861> .