@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef57aa5c-3e51-4f2a-8a34-433aab41c1e3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef57aa5c-3e51-4f2a-8a34-433aab41c1e3> .