Rough approximation of shapes in pattern recognition
Computer Vision, Graphics, and Image Processing
Interval valued intuitionistic fuzzy sets
Fuzzy Sets and Systems
Fuzzy Sets and Systems
Operators over interval valued intuitionistic fuzzy sets
Fuzzy Sets and Systems
Correlation of interval-valued intuitionistic fuzzy sets
Fuzzy Sets and Systems
A note on correlation of interval-valued intuitionistic fuzzy sets
Fuzzy Sets and Systems
Axiomatics for fuzzy rough sets
Fuzzy Sets and Systems
Relational interpretations of neighborhood operators and rough set approximation operators
Information Sciences—Informatics and Computer Science: An International Journal
Topology of interval-valued intuitionistic fuzzy sets
Fuzzy Sets and Systems
A comparative study of fuzzy rough sets
Fuzzy Sets and Systems
A Generalized Definition of Rough Approximations Based on Similarity
IEEE Transactions on Knowledge and Data Engineering
Information Sciences—Informatics and Computer Science: An International Journal
Reduction and axiomization of covering generalized rough sets
Information Sciences: an International Journal
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
Information-preserving hybrid data reduction based on fuzzy-rough techniques
Pattern Recognition Letters
Topological approaches to covering rough sets
Information Sciences: an International Journal
Information Sciences: an International Journal
A novel approach to fuzzy rough sets based on a fuzzy covering
Information Sciences: an International Journal
Intuitionistic preference relations and their application in group decision making
Information Sciences: an International Journal
Information Sciences: an International Journal
On Three Types of Covering-Based Rough Sets
IEEE Transactions on Knowledge and Data Engineering
Rough set theory for the interval-valued fuzzy information systems
Information Sciences: an International Journal
Dynamic intuitionistic fuzzy multi-attribute decision making
International Journal of Approximate Reasoning
On generalized intuitionistic fuzzy rough approximation operators
Information Sciences: an International Journal
Fuzzy rough set theory for the interval-valued fuzzy information systems
Information Sciences: an International Journal
Generalized fuzzy rough approximation operators based on fuzzy coverings
International Journal of Approximate Reasoning
Relationship between generalized rough sets based on binary relation and covering
Information Sciences: an International Journal
On characterization of intuitionistic fuzzy rough sets based on intuitionistic fuzzy implicators
Information Sciences: an International Journal
Expert Systems with Applications: An International Journal
A comparison of two types of rough sets induced by coverings
International Journal of Approximate Reasoning
Relationship among basic concepts in covering-based rough sets
Information Sciences: an International Journal
Information Sciences: an International Journal
Fuzzy Sets and Systems
On characterizations of ( I,T)-fuzzy rough approximation operators
Fuzzy Sets and Systems
Constructive and algebraic methods of the theory of rough sets
Information Sciences: an International Journal
Entropy and subsethood for general interval-valued intuitionistic fuzzy sets
FSKD'05 Proceedings of the Second international conference on Fuzzy Systems and Knowledge Discovery - Volume Part I
Rough approximation operations based on IF sets
ICAISC'06 Proceedings of the 8th international conference on Artificial Intelligence and Soft Computing
On the generalization of fuzzy rough sets
IEEE Transactions on Fuzzy Systems
Fuzzy-Rough Sets Assisted Attribute Selection
IEEE Transactions on Fuzzy Systems
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Given a widespread interest in rough sets as being applied to various tasks of data analysis it is not surprising at all that we have witnessed a wave of further generalizations and algorithmic enhancements of this original concept. This paper proposes an interval-valued intuitionistic fuzzy rough model by means of integrating the classical Pawlak rough set theory with the interval-valued intuitionistic fuzzy set theory. Firstly, some concepts and properties of interval-valued intuitionistic fuzzy set and interval-valued intuitionistic fuzzy relation are introduced. Secondly, a pair of lower and upper interval-valued intuitionistic fuzzy rough approximation operators induced from an interval-valued intuitionistic fuzzy relation is defined, and some properties of approximation operators are investigated in detail. Furthermore, by introducing cut sets of interval-valued intuitionistic fuzzy sets, classical representations of interval-valued intuitionistic fuzzy rough approximation operators are presented. Finally, the connections between special interval-valued intuitionistic fuzzy relations and interval-valued intuitionistic fuzzy rough approximation operators are constructed, and the relationships of this model and the others rough set models are also examined.