@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81487ae0-c9db-4693-9ebc-e756c3f74265> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81487ae0-c9db-4693-9ebc-e756c3f74265> .