@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91a4b8dd-3d41-4778-8b09-69c81f72b5f9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91a4b8dd-3d41-4778-8b09-69c81f72b5f9> .