@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68ad7c57-d0b8-4568-827f-e33eebff5e61> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68ad7c57-d0b8-4568-827f-e33eebff5e61> .