@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b21cdb9d-e8c6-4d92-94ec-f44b1025e884> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b21cdb9d-e8c6-4d92-94ec-f44b1025e884> .