IBM's Watson supercomputer represents a major advance for artificial intelligence (AI) research through its ability to answer verbal questions posed by people. IBM researchers and industry analysts say this skill makes the system better equipped than any previous machine to organize its responses and engage in verbal conversation with humans. "To reach [a computer] conversationally and have it respond with knowledgeable answers is a sea change in computing," says analyst Richard Doherty. The goal of AI researchers to create a computer capable of mimicking human intelligence took a step forward this week with Watson competing against human players on the game show Jeopardy! "Watson is a significant step, allowing people to interact with a computer as they would a human being," says IBM researcher Jennifer Chu-Carroll. "Watson doesn't give you a list of documents to go through but gives the user an answer." The Jeopardy! match especially showcased the confidence the IBM researchers instilled within the supercomputer, as demonstrated by its frequent buzzing in. Chu-Carroll anticipates computers learning to use actual common sense within the next decade, and Doherty believes such advances will revitalize competition between AI researchers.
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