Learn about “Watson,” the Jeopardy!-playing supercomputer, in this video excerpt from NOVA scienceNOW: "How Does the Brain Work?" Created by a team at IBM, Watson was designed to answer questions on a variety of subjects, and was put to the test by competing against human contestants on the quiz show Jeopardy!. The game requires factual knowledge as well as the ability to understand nuanced language (including slang and puns) and was a big challenge for the question-answering computer system. Watson played the game by analyzing thousands of examples from a huge database of documents and computing similarities between words and phrases. The success of Watson was a significant milestone in the field of artificial intelligence.
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