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1、AVictoryForComputersasWatsonWins‘Jeopardy’ByJuneSimms2011-2-27Photo:AP'Jeopardy!'championsKenJennings,left,andBradRutter,right,lookonasanIBMcomputercalled'Watson'beatsthemtothebuzzertoansweraquestionduringapracticeround.ThisistheVOASpecialEnglishTechnolo
2、gyReport.AnIBMsupercomputernamedWatsonhaswonthelatestbattleofmanversusmachine.Watsonwonthefirstever"Jeopardy!"quizshowcompetitionstarringacomputerasaplayer.TheshowwasbroadcastonAmericantelevisionFebruarysixteenth.Thesupercomputerdefeatedformer"Jeopardy!"
3、championsKenJenningsandBradRutterduringthethree-daycompetition.Thetwomenhadbeentheshow'smostsuccessfulplayersuntilthen.TheIBMcomputerprovedtobemoreknowledgeableineverycategory,includingthearts,popularcultureandscience.Thehumancontestantsspokeabouttheirlo
4、ssaftertheshow.KENJENNINGS/BRADRUTTER:"Ithinkthatwebothgotatasteofwhatitmighthavebeenliketoplayagainstus."RogerNortonisdeanoftheSchoolofComputerScienceandMathematicsatMaristCollegeinPoughkeepsie,NewYork.TheschoolheldaWatsonwatchpartyonthefinaldayofthe"Je
5、opardy!"competition.TheycomparedittoaSuperBowlfortheinformationtechnologyindustry.RogerNortonsayseveryonewasamazedbyWatson'sperformance.-19-ROGERNORTON:"Itwasveryimpressiveinanumberofways.Oneisitsabilitytounderstandnaturallanguage."In"Jeopardy!"playersar
6、egiveninformationintheformofananswer.Theymustgiveananswerintheformofaquestion.RogerNortonsaystheverynatureofthegamemakesWatson'sperformanceevenmoreextraordinary.ROGERNORTON:"Theambiguitythat'sinthoseanswersisvery,verydifficultforhumanstounderstand,neverm
7、indacomputertounderstand.Andthentobeabletotakethat,trytounderstandit,thengooffandsearchitsvastamountofdatathatithasanddotheappropriateanalyticsandcomeupwithnotonlyananswerbutalsoaconfidencelevelassociatedwiththatanswer–very,veryimpressive."Watsonwasgiven
8、theanswercluesbyelectronictexts.Itthensearchedthroughsomefifteentrillionbytesofinformationstoredinitsdatabase.Thatisequaltoabouttwohundredmillionpagesoftext.Themachineisabletoperformuptoeightytrillionoperationspersecond.An
