@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57d9e8a1-3a18-4d80-a36d-9875b0f198f9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57d9e8a1-3a18-4d80-a36d-9875b0f198f9> .