@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50df1939-531f-42ca-882b-a09df639cc35> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50df1939-531f-42ca-882b-a09df639cc35> .