@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef90df4d-2efa-4a09-98a1-6811b39abaaa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef90df4d-2efa-4a09-98a1-6811b39abaaa> .