@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac61a4d1-ff0b-451d-bfeb-0259fbe71f74> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac61a4d1-ff0b-451d-bfeb-0259fbe71f74> .