@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a4fd2b-0f3f-459a-8d8d-c9542d66953b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a4fd2b-0f3f-459a-8d8d-c9542d66953b> .