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IBM
supercomputer defeats human champs in quiz show
Friday January 14, 2011 08:56:44 AM,
DPA
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San Francisco: In a
major achievement for artificial intelligence, an IBM
supercomputer beat two human champions of the popular US quiz show
Jeopardy, IBM said.
Thursday's victory is significant because it came in a contest of
non-linear thinking and natural language questions at which
computers have generally lagged far behind their human inventors.
The contest took place at a computer lab at IBM's research
headquarters, which was decorated to appear as the set of the
long-running US game show, in which the host gives contestants an
answer to which they must formulate the question.
The event was a practice for a real live TV contest between two
human contestants and the supercomputer named Watson, which is due
to air in February with the first placed contestant winning $1
million.
The room-sized computer was represented on the blue set in between
the two contestants by a black screen with a glowing globe. The
computer correctly answered about half the 15 questions quicker
than either of its competitors to claim victory.
The competitors were no duds. One had previously won 74
consecutive matches, while the other had won a record $3.3 million
as a contestant on the show.
The milestone is considered analogous to the famous victory of
IBM's Deep Blue Computer's victory over World Chess Champion Gary
Kasparov in 1996.
IBM said that Watson's victory showed its ability to parse complex
questions and sort through tons of data in order to find the
relevant answers.
The computer, which is built from 10 racks of IBM servers, has 15
terabytes of RAM and has access to over 200 million pages of
content. It did not have the advantage of internet access.
"After four years, our scientific team believes that Watson is
ready for this challenge based on its ability to rapidly
comprehend what the Jeopardy clue is asking, analyze the
information it has access to, come up with precise answers, and
develop an accurate confidence in its response," said David
Ferrucci, a scientist who leads the IBM Research team that built
Watson.
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