In 1982, Pawlak proposed a theory of rough sets for data analysis. A fundamental concept of rough sets is the approximation of a set by a pair of lower and upper approximations or three …
In 1982, Pawlak proposed a theory of rough sets for data analysis. A fundamental concept of rough sets is the approximation of a set by a pair of lower and upper approximations or three …
In 1982, Pawlak proposed a theory of rough sets for data analysis. A fundamental concept of rough sets is the approximation of a set by a pair of lower and upper approximations or three …