@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f6dd7f-8985-4639-b1ce-936424dc1e8d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f6dd7f-8985-4639-b1ce-936424dc1e8d> .