@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1bff5009-d9c2-4b51-aadd-33f135104bc5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1bff5009-d9c2-4b51-aadd-33f135104bc5> .