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Communications of the ACM


Talking to Machines

Siri assistant on iPhone 4S

Siri can answer a wide variety of spoken questions in a conversational manner even in difficult conditions but, like its human inventors, it has yet to solve to the P versus NP problem.

Credit: Alicia Kubista

Voice recognition programs like Siri are now capable of understanding spoken commands, recognizing a conversation's context, and answering questions in a personable manner.

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