@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a43964-658a-4696-8f61-910cc4b9550b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a43964-658a-4696-8f61-910cc4b9550b> .