@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef721c38-667c-430a-a99f-08f6bd4bb829> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef721c38-667c-430a-a99f-08f6bd4bb829> .