Why Big Data Is a Big Deal (Ⅰ)
We”ve all heard the predictions:By 2020,the quantity of electronically stored data will reach 35 trillion gigabytes,a forty-four-fold increase from 2009.We had already reached 1.2 million petabytes,or 1.2 zettabytes,by the end of 2010,according to IDC.That”s enough data to fill a stack of DVDs reaching from the Earth to the moon and back -- about 240,000 miles each way.
the Earth、the moon、quantity、data、reach、end
P31;P18
2012-03-16(万方平台首次上网日期,不代表论文的发表时间)
共2页
55-56