@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81f73b8-3853-4d58-98ff-e1a8f7f45878> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81f73b8-3853-4d58-98ff-e1a8f7f45878> .