5DEPARTMENT OF THE ENVIRONMENT T, THE REGIONS L. Rethinking construction The report of the Construction Task Force to the Deputy Prime Minister, John Prescott, on the scope for improving the quality and efficiency of UK construction [M]. 1998.
6KISHORE V, ABRAHAM D M, SINFIELD J V. Portfolio cash assessment using fuzzy systems theory[J]. Journal of Construction Engineering and Management, 2011, 137 (5): 333-343.
7LEE H-M, LEE S-Y, LEE T-Y, et al. Anew algorithm for applying fuzzy set theory to evaluate the rate of aggregative risk in software development[J]. Information Sciences, 2003, 153: 177-197.
8WEIHONG G. Research on risk cost measure of large project based on VaR theory; proceedings of the E-Business and E-Government ( ICEE ), 2011 Intematiofial Conference on. F. 2011[C]. IEEE.
9WANG X L, YAN B W. Application of Extension Theory Based on Optimal Combination Weighting Method in Risk Assessment on Geological Hazards[J]. Applied Mechanics andMaterials, 2012, 226: 2284-2291.