Search results
IEEE Intelligent Systems > 2008 > 23 > 1 > 57 - 63
European Journal of Operational Research > 2007 > 182 > 2 > 663-682
2007 International Conference on Machine Learning and Cybernetics > 4 > 2368 - 2372
Computers and Operations Research > 2005 > 32 > 12 > 3075-3091