IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 8 > 1013 - 1027
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 12 > 1587 - 1600
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 1 > 92 - 107