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 > 2012 > 24 > 1 > 1 - 14
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 6 > 840 - 853
IEEE Transactions on Knowledge and Data Engineering > 2012 > 24 > 1 > 1 - 14