@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81a3e7d-d35b-4ced-af4a-a38f64fe87ab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81a3e7d-d35b-4ced-af4a-a38f64fe87ab> .