大数据英语PPT.ppt

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1、Big datacomputer specialtyDo you know?Taobao searchdefinitiondefinitionlCharacteristics:pVolume:datasizepVelocity:speedofchangepVariety :differentformsofdatasourcesBigdataishighvolume,highvelocity,and/orhighvarietyinformationassetsthatrequirenewformsofprocessingtoenableenhanceddecisionmaking,insight

2、discoveryandprocessoptimization.GartnerlBigdataisatermappliedtodatasetswhosesizeisbeyondtheabilityofcommonlyusedsoftwaretoolstocapture,manageandprocessthedatawithinatolerableelapsedtime.（过去的）applicationE-commerceE-commerceMedical treatmentMedical treatmenttransportationtransportationlTaobaolAmazon l

3、1.3 million transactions in 2015 worldwide;lTransDecTransDec (Transportation Decision-Making)lBaidu mapapplicationBank transactionsBank transactionslEHR(electronichealthrecord);EHR electronichealthrecordEHRsofferplentyofdatatestresults,diagnoses,prescriptions,emergencyroom(ER)visits,previoushospital

4、izations,demographicinformation.Thesoftwareworksbysiftingthroughrecordsofpatientswhowerepreviouslyhospitalizedandlearningwhichriskfactoracertainnumberofchestcomplaintsoranunusuallevelofaparticularenzymeintheheart,forexamplemighthavebeenredflags.Thealgorithmthenusesthoseredflagstowarnoffuturehospital

5、izations.opportunitiesopportunitiesdata revolutiontodayamassiveamountofdataisregularlybeinggeneratedandflowingfromvarioussources,throughdifferentchannels,everyminuteintodaysDigitalAge.lNow:availabledigitaldata:150EB(2005)1200EB(2010)lPredicted:thestockofdigitaldataisexpectedtoincrease44timesbetween2

6、007and2020,doublingevery20months.Theearlyyearsofdatarevolution:challengeschallengespDatapAnalysis“whatisthedatareallytellingus?”nprivacynaccessandsharingnsummarizingthedataninterpretingndefininganddetectinganomaliesfig.Newtypesofresearchdataabouthumanbehaviorandsocietyposemanyopportunitiesifcruciali

7、nfrastructuralchallengesaretackled.Words and sentences 5wordsB2C: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-SaharanA

8、frica,（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、（Initiallydevelo

9、pedinsuchfieldsascomputationalbiology,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。conclus

10、ionPart 6conclusionPart 6pDataontodaysscalesrequirescientificandcomputationalintelligence.pBigDataFutureisafree,public,multidisciplinaryconferenceonthepossibilitiesfornewenterprisesgroundedin“bigdata”toimproveeconomic,social,andpoliticallife.pWhatisneededisbothintentandcapacitytobesustainedandstrengthened,onthebasisofafullrecognitionoftheopportunitiesandchallenges.Thank you