@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9c1ffc6-5007-4af2-b731-30c7e4ad3eee> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9c1ffc6-5007-4af2-b731-30c7e4ad3eee> .