@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81868b35-935a-459c-870b-1ff4d88d3133> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81868b35-935a-459c-870b-1ff4d88d3133> .