@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57fcf9ae-7e1e-4ea0-befd-66f5a60adf70> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57fcf9ae-7e1e-4ea0-befd-66f5a60adf70> .