@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91f81dc7-a6b8-459f-b29c-15add6aa0a92> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91f81dc7-a6b8-459f-b29c-15add6aa0a92> .