大數(shù)據(jù)英語(yǔ)PPT教案

1、會(huì)計(jì)學(xué)1大數(shù)據(jù)英語(yǔ)大數(shù)據(jù)英語(yǔ)Do you know?Taobao searchdefinitiondefinitionl Characteristics:pVolume : data sizepVelocity :speed of changepVariety : different forms of data sourcesBig data is high volume, high velocity, and/or high variety information assets that require new forms of processing to enable enhanced d

2、ecision making, insight discovery and process optimization. Gartnerl Big data is a term applied to data sets whose size is beyond the ability of commonly used software tools to capture ,manage and process the data within a tolerable elapsed time.（過(guò)去的）applicationE-commerceE-commerceMedical treatmentM

3、edical treatmenttransportationtransportationlTaobaolAmazon l1.3 million transactions in 2015 worldwide;lTransDec (Transportation Decision- Making) lBaidu mapapplicationBank transactionsBank transactionslEHR (electronic health record);EHR electronic health record EHRs offer plenty of datatest results

4、, diagnoses, prescriptions, emergency room (ER) visits, previous hospitalizations, demographic information. The software works by sifting through records of patients who were previously hospitalized and learning which risk factora certain number of chest complaints or an unusual level of a particula

5、r enzyme in the heart, for examplemight have been red flags. The algorithm then uses those red flags to warn of future hospitalizations.opportunitiesopportunitiesdata revolution today a massive amount of data is regularly being generated and flowing from various sources, through different channels,

6、every minute in todays Digital Age.l Now:available digital data:150 EB(2005) 1200 EB(2010) l Predicted: the stock of digital data is expected to increase 44 times between 2007 and 2020, doubling every 20 months.The early years of data revolution:challengeschallengesp Datap Analysis “what is the data

7、 really telling us?” n privacyn access and sharing n summarizing the datan interpretingn defining and detecting anomaliesfig. New types of research data about human behavior and society pose many opportunities if crucial infrastructural challenges are tackled.Words and sentences 5wordsB2C : business

8、-to-consumer 企業(yè)對(duì)消費(fèi)者Cookie : 指的是指網(wǎng)站為了辨別用戶身份而儲(chǔ)存在用戶本地終端瀏覽器上的一類數(shù)據(jù)。TB : terabyte 1TB=1024MBPB : petabyte 1PB=1024TBEB : exabyte 1EB=1024PBETL : Extract Transform Load，是指數(shù)據(jù)的提取、轉(zhuǎn)換、加載。Database : 數(shù)據(jù)庫(kù)sentences1、The trend is especially impressive in Sub-Saharan Africa, （where mobile phone technology has been u

9、sed as a substitute （for usually weak telecommunication and transport infrastructure ） （as well as underdeveloped financial and banking systems）.（）（）：定語(yǔ)，修飾Sub-Saharan Africa（）（）：介詞（）（）：并列作用這個(gè)趨勢(shì)在撒哈拉以南尤其令人印象深刻，這里的移動(dòng)電話技術(shù)已經(jīng)被用來(lái)作為弱電信和交通基礎(chǔ)設(shè)施以及欠發(fā)達(dá)的銀行和金融系統(tǒng)的替代品。sentences2、（Initially developed in such fields a

10、s computational biology , biomedical engineering, medicine, and electronics, ）Big Data analytics refers to （tools and methodologies） that（ aim to transform massive quantities of raw data into “data about the data”for analytical purposes）.大數(shù)據(jù)起初在生物學(xué)，生物醫(yī)學(xué)工程，醫(yī)學(xué)，電子開(kāi)發(fā)等領(lǐng)域發(fā)展，它是為了將龐大數(shù)量的原始數(shù)據(jù)轉(zhuǎn)變?yōu)?-用于分析的目的“有關(guān)數(shù)據(jù)的

11、數(shù)據(jù)”的工具和方法。conclusionPart 6conclusionPart 6p Data on todays scales require scientific and computational intelligence.p Big Data Future is a free, public, multidisciplinary conference on the possibilities for new enterprises grounded in “big data” to improve economic, social, and political life.pWhat is