@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9b50e06-de2f-4d7e-b23f-6cf9bd6b22ff> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9b50e06-de2f-4d7e-b23f-6cf9bd6b22ff> .