@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9f6dd8b-e05f-4dd2-8dda-9bcbb90c34ee> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9f6dd8b-e05f-4dd2-8dda-9bcbb90c34ee> .