@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ae1e20-8f14-4ded-8848-bedc47f87bb4> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ae1e20-8f14-4ded-8848-bedc47f87bb4> .