@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e327b9-a828-40fb-a5c8-75efea532ceb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e327b9-a828-40fb-a5c8-75efea532ceb> .