@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81d7d69-5481-4076-9593-eea7e5698c84> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81d7d69-5481-4076-9593-eea7e5698c84> .