@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21f775e9-a8c1-4b84-87fe-a999d5cb9743> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21f775e9-a8c1-4b84-87fe-a999d5cb9743> .