{"entities":{"Q558":{"pageid":621,"ns":120,"title":"Item:Q558","lastrevid":640,"modified":"2025-11-20T23:44:35Z","type":"item","id":"Q558","labels":{"en":{"language":"en","value":"RDA Ontology"}},"descriptions":{"en":{"language":"en","value":"A class to represent RDA ontologies."}},"aliases":{},"claims":{},"sitelinks":{}}}}