IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 6 > 748 - 763
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 11 > 1560 - 1575
IEEE Transactions on Knowledge and Data Engineering > 2006 > 18 > 11 > 1544 - 1559