IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 6 > 815 - 828
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 6 > 842 - 856
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 6 > 815 - 828
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 6 > 842 - 856