Extensions and intentions in the rough set theory
Information Sciences: an International Journal
Relational interpretations of neighborhood operators and rough set approximation operators
Information Sciences—Informatics and Computer Science: An International Journal
Rough set theory applied to (fuzzy) ideal theory
Fuzzy Sets and Systems
A Generalized Definition of Rough Approximations Based on Similarity
IEEE Transactions on Knowledge and Data Engineering
An axiomatic characterization of a fuzzy generalization of rough sets
Information Sciences—Informatics and Computer Science: An International Journal
Constructive and axiomatic approaches of fuzzy approximation operators
Information Sciences—Informatics and Computer Science: An International Journal - Mining stream data
Rough fuzzy approximations on two universes of discourse
Information Sciences: an International Journal
Generalized rough sets over fuzzy lattices
Information Sciences: an International Journal
Rough set theory for the interval-valued fuzzy information systems
Information Sciences: an International Journal
On characterization of generalized interval-valued fuzzy rough sets on two universes of discourse
International Journal of Approximate Reasoning
On fuzzy rough sets based on tolerance relations
Information Sciences: an International Journal
Rough operations on Boolean algebras
Information Sciences: an International Journal
Towards the theory of M-approximate systems: Fundamentals and examples
Fuzzy Sets and Systems
Information Sciences: an International Journal
On the Structure of Rough Approximations
Fundamenta Informaticae
Tolerance Approximation Spaces
Fundamenta Informaticae
Topological and lattice structures of L-fuzzy rough sets determined by lower and upper sets
Information Sciences: an International Journal
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In this paper, a pair of rough approximation operators on a complete completely distributive (CCD) lattice based on an ordinary binary relation is defined. This kind of rough sets can be seen as a unified framework for the study of rough sets based on ordinary binary relations, rough fuzzy sets and interval-valued rough fuzzy set. Moreover, depending on classes of binary relations, this paper defines several classes of rough sets on CCD lattices and investigates properties of these classes. Finally, two generalized rough set models on two CCD lattices are given at the end of this paper.