@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a62b49-cf4f-4bfc-81fc-0d1b1fb2d6bd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a62b49-cf4f-4bfc-81fc-0d1b1fb2d6bd> .