IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 12 > 1629 - 1644
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 1 > 134 - 138
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 1 > 120 - 133
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 5 > 651 - 664