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IEEE Transactions on Professional Communication > 2014 > 57 > 4 > 266 - 285
IEEE Internet Computing > 2011 > 15 > 1 > 17 - 21
Computing in Science & Engineering > 2010 > 12 > 2 > 72 - 77
IEEE Transactions on Evolutionary Computation > 2009 > 13 > 3 > 477 - 485