@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b8c042-31da-4b72-8161-61a2b93c64fd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b8c042-31da-4b72-8161-61a2b93c64fd> .