IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 6 > 840 - 853
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 7 > 957 - 968
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 6 > 840 - 853
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 7 > 957 - 968