大数据英语PPT

BigdatacomputerspecialtyTaobaosearchdefinitiondefinitionCharacteristics:Volume:datasizeVelocity:speedofchangeVariety:differentformsofdatasourcesBigdataishighvolume,highvelocity,and/orhighvarietyinformationassetsthatrequirenewformsofprocessingtoenableenhanceddecisionmaking,insightdiscoveryandprocessoptimization.——GartnerBigdataisatermappliedtodatasetswhosesizeisbeyondtheabilityofcommonlyusedsoftwaretoolstocapture,manageandprocessthedatawithinatolerableelapsedtime.（过去的）applicationE-commerceMedicaltreatmenttransportationTaobaoAmazon1.3milliontransactionsin2015worldwide;TransDec(TransportationDecision-Making)BaidumapapplicationBanktransactionsEHR(electronichealthrecord);EHR——electronichealthrecordEHRsofferplentyofdata—testresults,diagnoses,prescriptions,emergencyroom(ER)visits,previoushospitalizations,demographicinformation.Thesoftwareworksbysiftingthroughrecordsofpatientswhowerepreviouslyhospitalizedandlearningwhichriskfactor—acertainnumberofchestcomplaintsoranunusuallevelofaparticularenzymeintheheart,forexample—mighthavebeenredflags.Thealgorithmthenusesthoseredflagstowarnoffuturehospitalizations.opportunitiesopportunitiesdatarevolutiontodayamassiveamountofdataisregularlybeinggeneratedandflowingfromvarioussources,throughdifferentchannels,everyminuteintoday’sDigitalAge.Now:availabledigitaldata:150EB(2005)1200EB(2010)Predicted:thestockofdigitaldataisexpectedtoincrease44timesbetween2007and2020,doublingevery20months.Theearlyyearsofdatarevolution:challengeschallengesDataAnalysis“whatisthedatareallytellingus?”privacyaccessandsharingsummarizingthedatainterpretingdefininganddetectinganomaliesfig.Newtypesofresearchdataabouthumanbehaviorandsocietyposemanyopportunitiesifcrucialinfrastructuralchallengesaretackled.Wordsandsentences5wordsB2C: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sentences1、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。sentences2、（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。conclusionPart6conclusionPart6Dataontoday’sscalesrequirescientificandcomputationalintelligence.BigDataFutureisafree,public,multidisciplinaryconferenceonthepossibilitiesfornewenterprisesgroundedin“bigdata”toimproveeconomic,social,andpoliticallife.Whatisneededisbothintentandcapacitytobesustainedandstrengthened,onthebasisofafullrecognitionoftheopportunitiesandchallenges.Thankyou