@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef91e99c-c3d2-4de6-806c-427e2efc5238> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef91e99c-c3d2-4de6-806c-427e2efc5238> .