@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81801dbe-7bc2-4923-9a00-8ba4218311ff> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81801dbe-7bc2-4923-9a00-8ba4218311ff> .