@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c7e83d-8ee5-4b0f-b025-c9cc521020bf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c7e83d-8ee5-4b0f-b025-c9cc521020bf> .