@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af54fb33-1c50-4b17-b678-533896d6ab49> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af54fb33-1c50-4b17-b678-533896d6ab49> .