@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91867b28-ef55-4615-9afc-601c4ecbe127> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91867b28-ef55-4615-9afc-601c4ecbe127> .