@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91cf0018-89dc-4072-ba99-363b4e40fac9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91cf0018-89dc-4072-ba99-363b4e40fac9> .