@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68840b88-34cf-4855-8f7e-3dafb4aa75da> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68840b88-34cf-4855-8f7e-3dafb4aa75da> .