@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d40f32-16ea-4f18-922b-a0e66c74ecf5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d40f32-16ea-4f18-922b-a0e66c74ecf5> .