@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81db4ca0-3b57-4246-b7ad-ca9699bd3700> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81db4ca0-3b57-4246-b7ad-ca9699bd3700> .