2Reynaldo Felix, Toshimitsu Ushio. Rule induction from inconsistent and incomplete data using rough sets[C]. IEEE International Conference on Systetrrs, Man, and Cybernetics, 1999, 5: 154-158.
3Z.Pawlak.Rough SetS: theoretical aspects of reasoning about data[M]. Netherlands: Kluwer Academic Publishers, 1991.
4曾黄麟.粗集理论及其应用[M].重庆：重庆大学出版社,1996..
5Pawlak Z, Grzymala-Busse J, Slowinski R, Ziarko W. Rough sets[J]. Communications of the ACM, 1995, 38(11): 89-95.
6Skowron A, Rauszer C.The discernibility matrices and functions in information systems[A].Slowinski edited, Intelligent Decision Support Handbook of Applications and Advances of the Rough Sets Theory[C], Kluwer, Dordrecht, 1991: 331-362.
7Hu X H, Cercone N. Learning in relational database: a rough set approach[J]. Computational Intelligence, 1995, 11(2): 323-337.
二级参考文献6
1Chan C C，Inform Sci，1998年，107卷，169页
2Lin T Y，Proc IMACS Multiconference，1996年，942页
3Yao Y Y，Intelligent Automation and Soft Computing，1996年，2卷，2期，103页
4Hu X，学位论文，1995年
5Shan N，Computational Intelligence，1995年，11卷，357页
6Lin T Y，Methodologies for Intelligent Systems，1994年，65页
