@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81251cf-3c8f-4ede-a4e9-c219176a46eb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81251cf-3c8f-4ede-a4e9-c219176a46eb> .