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Measuring financial risk with generalized asymmetric least squares regression 期刊论文
APPLIED SOFT COMPUTING, 2011, 卷号: 11, 期号: 8, 页码: 5793-5800
Authors:  Wang, Yongqiao;  Wang, Shouyang;  Lai, K. K.
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Risk measurement  Value-at-risk  Expected shortfall  Kernel trick  Asymmetric least squares regression  
Quality improvement in competing supply chains 期刊论文
INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, 2011, 卷号: 134, 期号: 1, 页码: 262-270
Authors:  Xie, Gang;  Wang, Shouyang;  Lai, K. K.
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Supply chain  Competition  Coordination  Quality improvement  
Credit risk evaluation using a weighted least squares SVM classifier with design of experiment for parameter selection 期刊论文
EXPERT SYSTEMS WITH APPLICATIONS, 2011, 卷号: 38, 期号: 12, 页码: 15392-15399
Authors:  Yu, Lean;  Yao, Xiao;  Wang, Shouyang;  Lai, K. K.
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Credit risk evaluation  Weighted LSSVM classifier  Least squares algorithm  Design of experiment  Parameter selection  
Optimal beta(k)-stable interval in VPRS-based group decision-making: A further application 期刊论文
EXPERT SYSTEMS WITH APPLICATIONS, 2011, 卷号: 38, 期号: 11, 页码: 13757-13763
Authors:  Xie, Gang;  Wang, Shouyang;  Lai, K. K.
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beta(k)-Stable interval  Group consensus  Variable precision rough set  Petroleum investment  Risk management  
Higher-order duality for a class of nondifferentiable multiobjective programming problems involving generalized type I and related functions 期刊论文
JOURNAL OF SYSTEMS SCIENCE & COMPLEXITY, 2011, 卷号: 24, 期号: 5, 页码: 883-891
Authors:  Mishra, S. K.;  Wang, Shouyang;  Lai, Kin Keung
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Generalized convexity  higher order duality  non-differentiable nonlinear programming  support function  
Single period stochastic inventory problems with ordering or returns policies 期刊论文
COMPUTERS & INDUSTRIAL ENGINEERING, 2011, 卷号: 61, 期号: 2, 页码: 242-253
Authors:  Yao, Zhong;  Liu, Ke;  Leung, Stephen C. H.;  Lai, K. K.
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Operational management  Newsboy problem  Inventory control  Numerical analysis  
higherorderdualityforaclassofnondifferentiablemultiobjectiveprogrammingproblemsinvolvinggeneralizedtypeiandrelatedfunctions 期刊论文
journalofsystemsscienceandcomplexity, 2011, 卷号: 024, 期号: 005, 页码: 883
Authors:  Mishra S K;  Wang Shouyang;  Lai Kin Keung
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An optimal production-inventory model for deteriorating items with multiple-market demand 期刊论文
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 2010, 卷号: 203, 期号: 3, 页码: 593-600
Authors:  He, Yong;  Wang, Shou-Yang;  Lai, K. K.
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Supply chain management  Deteriorating items  Multiple-market  Inventory management  
Support vector machine based multiagent ensemble learning for credit risk evaluation 期刊论文
EXPERT SYSTEMS WITH APPLICATIONS, 2010, 卷号: 37, 期号: 2, 页码: 1351-1360
Authors:  Yu, Lean;  Yue, Wuyi;  Wang, Shouyang;  Lai, K. K.
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Multiagent ensemble learning  Support vector machine (SVM)  Diversity strategy  Ensemble strategy  Credit risk evaluation  
Symmetric duality for minimax mixed integer programming problems with pseudo-invexity 期刊论文
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 2009, 卷号: 198, 期号: 1, 页码: 37-42
Authors:  Mishra, S. K.;  Wang, S. Y.;  Lai, K. K.
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Multiobjective symmetric variational mixed integer problems  Separability  Efficient solution  Partial-pseudo-invexity  Symmetric duality  Self-duality