4ITU. Internet Reports 2005: The Internet of things[R]. Geneva: ITU, 2005.
5MELL P, GRANCE T. The NIST Definition of Cloud Comp- uting[R].National Institute of Standards and Technology, 2011.
6Alex Berson, Larry Dubov Master Data Management and Customer Data Integration for a Global Enterprise[M]. New York :McGraw Hill Osborne Media, 2007: 10-47.
7ITU. Kype Cycle for Big Data[R]. Geneva: ITU, 2012.
