IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering > 2007 > 19 > 1 > 73 - 84
IEEE Transactions on Knowledge and Data Engineering > 2007 > 19 > 4 > 485 - 499
IEEE Transactions on Knowledge and Data Engineering > 2007 > 19 > 9 > 1175 - 1187
IEEE Transactions on Knowledge and Data Engineering > 2007 > 19 > 9 > 1161 - 1174