@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/669a9a80-aa2d-463c-a508-e67cace41eff> rdfs:isDefinedBy <https://stad.gent/data/blank_node/669a9a80-aa2d-463c-a508-e67cace41eff> .