IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 9 > 1168 - 1180
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 10 > 1297 - 1310
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 3 > 351 - 365