@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/18f6c52b-db9a-43d6-90ef-d7e9e5b8ddac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/18f6c52b-db9a-43d6-90ef-d7e9e5b8ddac> .