Fuzzy Sets and Systems
Information Sciences: an International Journal
Rough Sets: Theoretical Aspects of Reasoning about Data
Rough Sets: Theoretical Aspects of Reasoning about Data
A comparative study of fuzzy rough sets
Fuzzy Sets and Systems
Double-faced rough sets and rough communication
Information Sciences—Applications: An International Journal
Rough sets and intelligent data analysis
Information Sciences—Informatics and Computer Science: An International Journal
Information Sciences—Informatics and Computer Science: An International Journal
Information Sciences: an International Journal
Two new operators in rough set theory with applications to fuzzy sets
Information Sciences—Informatics and Computer Science: An International Journal
Rough set approximations in formal concept analysis
Transactions on Rough Sets V
Roughness bounds in rough set operations
Information Sciences: an International Journal
Dependence-space-based attribute reductions in inconsistent decision information systems
International Journal of Approximate Reasoning
Gaussian kernel based fuzzy rough sets: Model, uncertainty measures and applications
International Journal of Approximate Reasoning
Invertible approximation operators of generalized rough sets and fuzzy rough sets
Information Sciences: an International Journal
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This paper investigates the general roughness bounds for rough set operations. Compared with set-oriented rough sets, the results prove that the same upper bound of the roughness for the union, difference and complement operation could be determined by the roughness of the two operand sets. However, the lower roughness bounds of set-oriented rough sets operations do not hold for other rough sets. We provide an example to show the derived bounds from the operand's roughness.