4Big Data is a Big Deal. http ://www. whitehouse, gov/blog/2012/ 03/29/big - data - big - deal. [2012 -06 -06].
5Big data: The next frontier for innovation, competition, and productivi- tyhttp://www, mckinsey, com/Insights/MGl/Resarch/Tet'hnology axld Inno- vation/Big_data The next froier forauovation. [2012-08-01].