@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81aae1e8-c1fe-4e71-a8d6-436bbbe5e240> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81aae1e8-c1fe-4e71-a8d6-436bbbe5e240> .