1Grobelnik M.Big-data computing:Creating revolutionarybreakthroughs in commerce, science, and society[R/OL].[2012-10-02].http://videolectures.net/eswc2012_grobelnik_big_data/.
2Barwick H.The“four Vs”of Big Data.Implementing Infor.mation Infrastructure Symposium[EB/OL].[2012-10-02].http://www.computerworld.com.au/article/396198/iiis_four_vs_big_data/.
3IBM.What is big data- [EB/OL].[2012-10-02].http://www-01.ibm.com/software/data/bigdata.
