@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ea6dfe-8c84-4ecd-bced-22362feaf84b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ea6dfe-8c84-4ecd-bced-22362feaf84b> .