IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 5 > 638 - 651
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 7 > 999 - 1013
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 5 > 638 - 651
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 7 > 999 - 1013