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Electronic Commerce Research and Applications > 2011 > 10 > 2 > 194-202
IEEE Transactions on Circuits and Systems for Video Technology > 2009 > 19 > 12 > 1851 - 1865
IEEE Transactions on Engineering Management > 2015 > 62 > 2 > 217 - 225
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 8 > 1077 - 1092