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�  AMAZIG ANSWERS TO CURIOUS QUESTIONS






























         What's


         IBM's


         Watson?


            n February2ou, an IBM supercomputer
            named Watson trounced two previous
         I champions of the US trivia quiz show
         jeopardy!. Watson parsed natural language
         questions fast enough to beat the quickest
         human minds. IBM researchers pre loaded the
         computer with hundreds of millions of pages of
         data, then armed it with algorithms for
         searching and 'reading' text- separating
                                                                                              ASIMO's joints and limbs
         subjects, verbs and objects. But this was much                                       are powered by 34 servo
         more than a super-powered Google search.                                             motors. When it
         Watson used advanced algorithms to 'reason'                                          processes the handshake
                                                                                              sign, it brings its arm and
         which of its millions of hypothetical answers                                        hand into position.
         was most likely to be true. The 'face' behind the
                                              autonomous, but
         jeopardy! podium was backed by a roomful of
                                              programmed to
         servers, comparing results in fractions of a   perform specific tasks.      Sensors in ASIMO's wrists help it to apply the
         second until the computer had enough statistica I   When approached, it     exact amount of force necessary to push its
                                              will stop and wait for
         confidence to buzz in. Watson technology is                                 cart, or to step backwards or forwards when
                                                                                     being pushed or pulled.
         already being considered as the brains behind
         an automated physician's assistant.
         Wher did artial intelige begi�
         1921                1943              1955                   1979                 1997
         'Robot' coined      Cybernetics       'Artificial intelligence'   Autonomous robot   Google
         A science fiction  play is the first to   Studies help to understand   invented   The Stanford Cart successfully navigates   The web's most influential piece of AI
         call automatons 'roboti', Czech for   machine learning.   John McCarthy uses the phrase in a proposal   a room full of obstacles using sensors   programming is launched.
         'forced labourers'.                                          and software.
                                               for a conference on machine learning.
         1936                1949              1956                   1997                  2011
         Turing machine       Computer chess   First AI  program      Deep Blue             IBM Watson
         Polymath Turing describes his 'machine', a   Claude Shannon proposes the   The Logic Theorist  is the first program written   World chess champion Gary Kasparov   The  DeepQA supercomputer uses
         theoretical device that establishes the   functions for programming a   to mimic the human thought process.   loses to the  IBM supercomputer.   language analysis algorithms to beat two
         logical foundation for computer science.   computer to play chess.                 former Jeopardy! champions.
         118     How It  f.#Jrks                WorldMags.net
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