大数据英语ppt课件.ppt

Bigdata computerspecialty 1 Doyouknow Taobaosearch 2 definition 3 definition Characteristics Volume datasizeVelocity speedofchangeVariety differentformsofdatasources Bigdataishighvolume highvelocity and orhighvarietyinformationassetsthatrequirenewformsofprocessingtoenableenhanceddecisionmaking insightdiscoveryandprocessoptimization Gartner Bigdataisatermappliedtodatasetswhosesizeisbeyondtheabilityofcommonlyusedsoftwaretoolstocapture manageandprocessthedatawithinatolerableelapsedtime 过去的 4 application 5 E commerce Medicaltreatment transportation TaobaoAmazon 1 3milliontransactionsin2015worldwide TransDec TransportationDecision Making Baidumap application Banktransactions EHR electronichealthrecord 6 EHR electronichealthrecord EHRsofferplentyofdata testresults diagnoses prescriptions emergencyroom ER visits previoushospitalizations demographicinformation Thesoftwareworksbysiftingthroughrecordsofpatientswhowerepreviouslyhospitalizedandlearningwhichriskfactor acertainnumberofchestcomplaintsoranunusuallevelofaparticularenzymeintheheart forexample mighthavebeenredflags Thealgorithmthenusesthoseredflagstowarnoffuturehospitalizations 7 opportunities 8 opportunities datarevolutiontodayamassiveamountofdataisregularlybeinggeneratedandflowingfromvarioussources throughdifferentchannels everyminuteintoday sDigitalAge Now availabledigitaldata 150EB 2005 1200EB 2010 Predicted thestockofdigitaldataisexpectedtoincrease44timesbetween2007and2020 doublingevery20months Theearlyyearsofdatarevolution 9 challenges 10 challenges DataAnalysis whatisthedatareallytellingus privacyaccessandsharing summarizingthedatainterpretingdefininganddetectinganomalies fig Newtypesofresearchdataabouthumanbehaviorandsocietyposemanyopportunitiesifcrucialinfrastructuralchallengesaretackled 11 Wordsandsentences 5 12 words B2C business to consumer企业对消费者Cookie 指的是指网站为了辨别用户身份而储存在用户本地终端浏览器上的一类数据 TB terabyte1TB 1024MBPB petabyte1PB 1024TBEB exabyte1EB 1024PBETL ExtractTransformLoad 是指数据的提取 转换 加载 Database 数据库 13 sentences 1 ThetrendisespeciallyimpressiveinSub SaharanAfrica wheremobilephonetechnologyhasbeenusedasasubstitute forusuallyweaktelecommunicationandtransportinfrastructure aswellasunderdevelopedfinancialandbankingsystems 定语 修饰Sub SaharanAfrica 介词 并列作用 这个趋势在撒哈拉以南尤其令人印象深刻 这里的移动电话技术已经被用来作为弱电信和交通基础设施以及欠发达的银行和金融系统的替代品 14 sentences 2 Initiallydevelopedinsuchfieldsascomputationalbiology biomedicalengineering medicine andelectronics BigDataanalyticsrefersto toolsandmethodologies that aimtotransformmassivequantitiesofrawdatainto dataaboutthedata foranalyticalpurposes 大数据起初在生物学 生物医学工程 医学 电子开发等领域发展 它是为了将庞大数量的原始数据转变为 用于分析的目的 有关数据的数据 的工具和方法 15 conclusion Part6 16 conclusion Part6 Dataontoday sscalesrequirescientificandcomputationalintelligence BigDataFutureisafree public multidisciplinaryconferenceonthepossibilitiesfornewenterprisesgroundedin bigdata toimproveeconomic social andpoliticallife Whatisneededisbothi