@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91dcd50d-cbef-42b5-b195-15d0dc220aff> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91dcd50d-cbef-42b5-b195-15d0dc220aff> .