@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1639befc-49ac-4bb5-8268-cc08ff787a53> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1639befc-49ac-4bb5-8268-cc08ff787a53> .