@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/4ff9ee9b-b845-43ac-af78-6b4894667891> rdfs:isDefinedBy <https://stad.gent/data/blank_node/4ff9ee9b-b845-43ac-af78-6b4894667891> .