@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b5e780-2e97-4e46-b6e5-8f12cd7c140b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b5e780-2e97-4e46-b6e5-8f12cd7c140b> .