@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50310f13-ff2e-4610-977a-cc9450469995> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50310f13-ff2e-4610-977a-cc9450469995> .