{"entities":{"Q2166":{"pageid":2770,"ns":120,"title":"Item:Q2166","lastrevid":17512,"modified":"2025-10-13T10:09:21Z","type":"item","id":"Q2166","labels":{"en":{"language":"en","value":"Expert systems"},"de":{"language":"de","value":"Expertensysteme"}},"descriptions":{"en":{"language":"en","value":"Early AI programs that reasoned using if-then rules"}},"aliases":{},"claims":{},"sitelinks":{}}}}