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IEEE Transactions on Knowledge and Data Engineering > 2011 > 23 > 12 > 1811 - 1825
IEEE Transactions on Knowledge and Data Engineering > 2013 > 25 > 12 > 2767 - 2779
IEEE Transactions on Professional Communication > 2013 > 56 > 1 > 50 - 66
IEEE Transactions on Knowledge and Data Engineering > 2011 > 23 > 12 > 1872 - 1887
IEEE Internet Computing > 2010 > 14 > 6 > 10 - 13