@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9e9a59e-4c21-4f6b-9787-433855c112dc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9e9a59e-4c21-4f6b-9787-433855c112dc> .