4BigdataiThe next frontier for innovation,competition,andproduc2tivity[EB/OL].http: // www.mckinsey.com/Insights/MGI/Research/Technology and Innovation/Big data The nextfrontier for innovation ,2011—05.
5BigData is a Big Deal[EB/OL].http: // www.whitehouse.gov/blog/2012/03/29/big—databig—deal, 2012—03—29.