@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cd9529-b545-477f-8335-c2d153975c32> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cd9529-b545-477f-8335-c2d153975c32> .