@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81641bab-e4ed-4f18-8dff-8ac70c9976b9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81641bab-e4ed-4f18-8dff-8ac70c9976b9> .