@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef5c0f4a-f767-43be-a47f-c1d6ae1089eb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef5c0f4a-f767-43be-a47f-c1d6ae1089eb> .