@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b501c1-3030-4250-9fd4-97e0cea4d591> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b501c1-3030-4250-9fd4-97e0cea4d591> .