Rough approximations based on intersecti
โ
Liping An; Lingyun Tong
๐
Article
๐
2010
๐
Elsevier Science
๐
English
โ 233 KB
Rough sets theory has proved to be a useful mathematical tool for dealing with the vagueness and granularity in information tables. Classical definitions of lower and upper approximations were originally introduced with reference to an indiscernibility relation. However, indiscernibility relation is