@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509551a6-429d-4b86-965c-131c523f9c4d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509551a6-429d-4b86-965c-131c523f9c4d> .