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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,B,i,g,d,a,t,a,D,o,y,o,u kn,o,w?,Taobao search,definition,definition,Characteristics:,Volume :,data size,Velocity :,speed of change,Variety :,different forms of data sources,Big data is the need for new processing mode to have a stronger decision-making power, insight into the ability to find and process optimization to adapt to the massive, high growth rate and diversification of information assets.,application,E-commerce,Medical treatment,transportation,Taobao,Amazon,1.3 million transactions in,2015 worldwide;,Flow of traffic,Baidu map,application,Bank transactions,Electronic health record,FOT,flow of traffic,The current traffic flow data and historical data from road traffic system acquisition equipment acquired (types of data resources, after numerous) centralized, unified management, deep processing, to achieve the flow of dynamic, real-time and accurate traffic prediction and judgment, so as to realize the real-time traffic flow data sharing to improve city road traffic congestion problem.,opportunities,opportunities,Data revolution,today a massive amount of data is regularly being generated and flowing from various sources, through different channels, every minute in todays Digital Age.,Now:,available digital data:150 EB(Exabyte)(2005), 1200 EB(2010),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:,challenges,challenges,Data,Analysis,“what is the data really telling us?”,privacy,access and sharing,summarizing the data,interpreting,defining and detecting anomalies,fig. New types of research data about human behavior and society pose many opportunities if crucial infrastructural challenges are tackled.,conclusion,Part 5,conclusion,Part 5,Today data require scientific and computational intelligence.,Big Data Future is a free, public, multidisciplinary conferenceon 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,and strengthened, on the basis of a full recognition of the opportunities and challenges.,T,h,a,n,k,y,ou,
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