@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f1f96b-c823-4f2e-ad50-9beb7b87714a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f1f96b-c823-4f2e-ad50-9beb7b87714a> .