大数据英语PPT

challenges
challenges
Data
privacy access and sharing
Analysis
“what is the data really telling us?” summarizing the data interpreting defining and detecting anomalies
opportunities
opportunities
data revolution
The early years of data revolution:
today a massive amount of data is regularly being generated and flowing from various sources, through different channels, every minute in today’s Digital Age. Now: available digital data:150 EB(2005) 1200 EB(2010) Predicted: the stock of digital data is expected to increase 44 times between 2007 and 2020, doubling every 20 months.
Big data
computer specialty
Taobao search
definition
definition
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.
fig. New types of research data about human behavior and society pose many opportunities if crucial infrastructural challenges are tackled.
5
Words and sentences
words
B2C : 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 : terabyte 1TB=1024MB PB : petabyte 1PB=1024TB EB : exabyte 1EB=1024PB
application
application
Bank transactions
1.3 million transactions in 2015 worldwide;
E-commerce
Taobao Amazon
Medical treatment
EHR (electronic health record);
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。
（）：定语，修饰Sub-Saharan Africa （）：介词 （）：并列作用
sentences
2、（Initially developed in such fields as 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）.
the possibilities for new enterprises grounded in “big data” to
improve economic, social, and political life. What is needed is both intent and capacity to be sustained
（过去的）
Characteristics:
Volume : data size
Velocity :speed of change Variety : different forms of data sources
"Big data is high volume, high velocity, and/or high variety information assets that require new forms of processing to enable enhanced decision making, insight discovery and process optimization." ——Gartner
and strengthened, on the basis of a full recognition of the
opportunities and challenges.
Thank you
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。
Part 6 conclusion
Part 6
intelligence.
conclusion
Data on today’s scales require scientific and computational Big Data Future is a free, public, multidisciplinary conference on
ETL : Extract Transform Load，是指数据的提取、转换、加载。 Database : 数据库
sentLeabharlann Baidunces
1、The trend is especially impressive in Sub-Saharan Africa, （where mobile phone technology has been used as a substitute （for usually weak telecommunication and transport infrastructure ） （as well as underdeveloped financial and banking systems））.
transportation
TransDec (Transportation DecisionMaking) Baidu map
EHR —— electronic health record
EHRs offer plenty of data—test results, 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 factor—a certain number of chest complaints or an unusual level of a particular enzyme in the heart, for example—might have been red flags. The algorithm then uses those red flags to warn of future hospitalizations.