@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21ff9f5e-eae9-4e8b-8651-c0b2faa590fc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21ff9f5e-eae9-4e8b-8651-c0b2faa590fc> .