@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91f91aa3-df6e-4196-ac8d-8bc070cb3ffd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91f91aa3-df6e-4196-ac8d-8bc070cb3ffd> .