@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ee959e-d646-4d8f-ac05-b239387791cd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ee959e-d646-4d8f-ac05-b239387791cd> .