@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff1844fd-86f7-4799-971d-30a17f63b589> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff1844fd-86f7-4799-971d-30a17f63b589> .