@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50f99783-3157-4906-a37e-c9412d14b137> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50f99783-3157-4906-a37e-c9412d14b137> .