1Victor V Podinovski, Timo Kuosmanen. Mod- elling Weak Disposability in Data Envelopment Analy- sis: Under Relaxed Convexity Assumptions [J ]. Euro- pean Journal of Operational Research, 2011 (211): 577-585.
2Zhou P, Kim Leng Poh, B W Ang. A non-radial DEA Approach to Measuring Environmental Perfor- mance[J]. European Journal of Operational Research, 2007(178) : 1-9.
3Sueyoshi T, Goto M. DEA Environmental Assess- ment of Coal-fired Power Plants: Methodological Comparison Between Radial and Non-radial Models [J].Energy Economics, 2012(34) : 1854-1863.
4Meng F Y, Fan L W, Zhou P: et al. Measuring Environmental Performance in China's Industrial Sec- tors with Non-radial DEA [J]. Mathematical and Computer Modelling, 2013(58) : 1047--1056.
3Manyika J, Chui M, Brown B, et al. Big Data:The Next Frontier for Innovation,Competition,and Productivity[EB/OL].[2014-09-02].http://www. mckinsey.com/insights/business-technology/big- data the next_frontier for innovation.