1. Attribute-oriented induction in relational databases;Yandong,1991
2. Attribute-oriented induction in data mining;Han,1996
3. The state and rough sets for databse mining applications;Raghavan,1995
4. Rough sets;Pawlak;Int. J. Comput. Inform. Sci.,1982
5. Rough-set boundaries as a tool for learning rules from examples;Chan,1989