6Jeremy Ginsberg,Matthew H. Mohebbi,Rajan S. Patel,Lynnette Brammer,Mark S. Smolinski,Larry Brilliant.Detecting influenza epidemics using search engine query data[].Nature.2008
7Lohr S.The Age of Big Data[].New York Times.2012
8Bryant R,Katz R H,Lazowska E D.Big-Data Computing:Creating Revolutionary Breakthroughs in Commerce[].Science.2008
9Hilbert M.The World’’s Technological Capacity to Store,Commu-nicate,and Compute Information[].Science.2011
