大數(shù)據(jù)英語專題知識

Bigdatacomputerspecialty1/18DoyouknowTaobaosearch2/18definition3/18definitionCharacteristics:Volume:datasizeVelocity:speedofchangeVariety:differentformsofdatasources"Bigdataishighvolume,highvelocity,and/orhighvarietyinformationassetsthatrequirenewformsofprocessingtoenableenhanceddecisionmaking,insightdiscoveryandprocessoptimization."——GartnerBigdataisatermappliedtodatasetswhosesizeisbeyondtheabilityofcommonlyusedsoftwaretoolstocapture,manageandprocessthedatawithinatolerableelapsedtime.（過去）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企業(yè)對消費者Cookie:

指是指網(wǎng)站為了區(qū)分用戶身份而儲存在用戶當?shù)亟K端瀏覽器上一類數(shù)據(jù)。TB:terabyte1TB=1024MBPB:petabyte1PB=1024TBEB:exabyte1EB=1024PBETL:Extract

Transform

Load，是指數(shù)據(jù)提取、轉換、加載。Database:數(shù)據(jù)庫13/18sentences1、ThetrendisespeciallyimpressiveinSub-SaharanAfrica,（wheremobilephonetechnologyhasbeenusedasasubstitute（forusuallyweaktelecommunicationandtransportinfrastructure）

（aswellasunderdevelopedfinancialandbankingsystems））.（）：定語，修飾Sub-SaharanAfrica（）：介詞（）：并列作用這個趨勢在撒哈拉以南尤其令人印象深刻，這里移動電話技術已經(jīng)被用來作為弱電信和交通基礎設施以及欠發(fā)達銀行和金融系統(tǒng)替換品。14/18sentences2、（Initiallydevelopedinsuchfieldsascomputationalbiology,biomedicalengineering,medicine,andelectronics,）BigDataanalyticsrefersto（toolsandmethodologies）that（aimtotransformmassivequantitiesofrawdatainto“dataaboutthedata”—foranalyticalpurposes）.大數(shù)據(jù)起初在生物學，生物醫(yī)學工程，醫(yī)學，電子開發(fā)等領域發(fā)展，它是為了將龐大數(shù)量原始數(shù)據(jù)轉變?yōu)?用于分析目標“相關數(shù)據(jù)數(shù)據(jù)”工具和方法。15/18conclusionPart616/18conclusionPart6Dataontoday’sscalesrequirescientificandcomputationalintelligence.BigDataFutureisafree,public,multidisciplinaryconference

onthepossibilitiesfornewenterprisesgroundedin“bigdata”toimproveeconomic,social,andpoliticallife.