@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57f728d8-18e4-4a18-841e-056140006a4a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57f728d8-18e4-4a18-841e-056140006a4a> .