IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 4 > 496 - 503
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 4 > 507 - 522
IEEE Transactions on Knowledge and Data Engineering > 2008 > 20 > 4 > 496 - 503
IEEE Transactions on Knowledge and Data Engineering > 2009 > 21 > 4 > 507 - 522