IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 2 > 206 - 219
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 3 > 392 - 403
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 2 > 206 - 219
IEEE Transactions on Knowledge and Data Engineering > 2010 > 22 > 3 > 392 - 403