@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f053f4-c548-4522-b643-e4a3ae519e3a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f053f4-c548-4522-b643-e4a3ae519e3a> .