@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dfc92f-4da7-48b8-bddf-f8930aef3407> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dfc92f-4da7-48b8-bddf-f8930aef3407> .