@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/18e9b6f9-0e83-4f89-bfd1-fc1d11020e86> rdfs:isDefinedBy <https://stad.gent/data/blank_node/18e9b6f9-0e83-4f89-bfd1-fc1d11020e86> .