IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 4 > 489 - 495
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 6 > 784 - 795
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 5 > 699 - 713
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 7 > 1042 - 1058
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 12 > 1692 - 1707