@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91b6c2af-7741-4016-a573-1ad30c13880a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91b6c2af-7741-4016-a573-1ad30c13880a> .