@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b21bd67a-a405-4648-bd2e-3691f857a5e9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b21bd67a-a405-4648-bd2e-3691f857a5e9> .