大数据英语专题知识

Bigdatacomputerspecialty1/18DoyouknowTaobaosearch2/18definition3/18definitionCharacteristics:Volume:datasizeVelocity:speedofchangeVariety:differentformsofdatasources"Bigdataishighvolume,highvelocity,and/orhighvarietyinformationassetsthatrequirenewformsofprocessingtoenableenhanceddecisionmaking,insightdiscoveryandprocessoptimization."——GartnerBigdataisatermappliedtodatasetswhosesizeisbeyondtheabilityofcommonlyusedsoftwaretoolstocapture,manageandprocessthedatawithinatolerableelapsedtime.（过去）4/18application5/18E-commerceMedicaltreatmenttransportationTaobaoAmazon1.3milliontransactionsinworldwide;TransDec

(TransportationDecision-Making)BaidumapapplicationBanktransactionsEHR(electronichealthrecord);6/18EHR

——

electronichealthrecordEHRsofferplentyofdata—testresults,diagnoses,prescriptions,emergencyroom(ER)visits,previoushospitalizations,demographicinformation.Thesoftwareworksbysiftingthroughrecordsofpatientswhowerepreviouslyhospitalizedandlearningwhichriskfactor—acertainnumberofchestcomplaintsoranunusuallevelofaparticularenzymeintheheart,forexample—mighthavebeenredflags.Thealgorithmthenusesthoseredflagstowarnoffuturehospitalizations.7/18opportunities8/18opportunitiesdatarevolutiontodayamassiveamountofdataisregularlybeinggeneratedandflowingfromvarioussources,throughdifferentchannels,everyminuteintoday’sDigitalAge.Now:availabledigitaldata:150EB()1200EB()

Predicted:thestockofdigitaldataisexpectedtoincrease44timesbetweenand,doublingevery20months.Theearlyyearsofdatarevolution:9/18challenges10/18challengesDataAnalysis“whatisthedatareallytellingus”

privacy

accessandsharing

summarizingthedatainterpretingdefininganddetectinganomaliesfig.Newtypesofresearchdataabouthumanbehaviorandsocietyposemanyopportunitiesifcrucialinfrastructuralchallengesaretackled.11/18Wordsandsentences512/18wordsB2C:business-to-consumer企业对消费者Cookie:

指是指网站为了区分用户身份而储存在用户当地终端浏览器上一类数据。TB:terabyte1TB=1024MBPB:petabyte1PB=1024TBEB:exabyte1EB=1024PBETL:Extract

Transform

Load，是指数据提取、转换、加载。Database:数据库13/18sentences1、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银行和金融系统替换品。14/18sentences2、（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原始数据转变为-用于分析目标“相关数据数据”工具和方法。15/18conclusionPart616/18conclusionPart6Dataontoday’sscalesrequirescientificandcomputationalintelligence.BigDataFutureisafree,public,multidisciplinaryconference

onthepossibilitiesfornewenterprisesgroundedin“bigdata”toimproveeconomic,social,andpoliticallife.