IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 1 > 55 - 67
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 2 > 145 - 155
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 5 > 589 - 600
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 9 > 1168 - 1180