@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af8af6f1-2ae6-43fb-8b2b-effe21f40272> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af8af6f1-2ae6-43fb-8b2b-effe21f40272> .