@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91c8c4c1-3c4d-4801-a904-bf075553d7da> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91c8c4c1-3c4d-4801-a904-bf075553d7da> .