IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2007 > 19 > 9 > 1276 - 1287
IEEE Transactions on Knowledge and Data Engineering > 2007 > 19 > 12 > 1607 - 1624
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 1 > 66 - 77