@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/664f20c1-4973-4aef-9d52-87311d0cc63d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/664f20c1-4973-4aef-9d52-87311d0cc63d> .