@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b21bef81-ab4d-454e-9c84-f8c35cb0ed7f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b21bef81-ab4d-454e-9c84-f8c35cb0ed7f> .