@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a3b662-7b5c-4b06-a407-8f61f4339391> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a3b662-7b5c-4b06-a407-8f61f4339391> .