@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fbb643-d6d4-420b-b0c6-4f746d2e1a49> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fbb643-d6d4-420b-b0c6-4f746d2e1a49> .