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IEEE Intelligent Systems > 2013 > 28 > 1 > 12 - 15
IEEE Intelligent Systems > 2013 > 28 > 1 > 17 - 25
2010 International Conference on Machine Learning and Cybernetics > 4 > 1615 - 1620
IEEE Transactions on Engineering Management > 2009 > 56 > 4 > 621 - 635