Twofold fuzzy sets and rough sets—Some issues in knowledge representation
Fuzzy Sets and Systems
Variable precision rough set model
Journal of Computer and System Sciences
Fuzzy sets and fuzzy logic: theory and applications
Fuzzy sets and fuzzy logic: theory and applications
The nature of statistical learning theory
The nature of statistical learning theory
Neuro-fuzzy and soft computing: a computational approach to learning and machine intelligence
Neuro-fuzzy and soft computing: a computational approach to learning and machine intelligence
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
Neuro-fuzzy feature evaluation with theoretical analysis
Neural Networks
IEEE Transactions on Pattern Analysis and Machine Intelligence
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
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
On knowledge reduction in inconsistent decision information systems
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
On fuzzy-rough sets approach to feature selection
Pattern Recognition Letters
Information-preserving hybrid data reduction based on fuzzy-rough techniques
Pattern Recognition Letters
Learning fuzzy rules from fuzzy samples based on rough set technique
Information Sciences: an International Journal
Neighborhood rough set based heterogeneous feature subset selection
Information Sciences: an International Journal
A new measure of uncertainty based on knowledge granulation for rough sets
Information Sciences: an International Journal
Set-valued ordered information systems
Information Sciences: an International Journal
Attribute selection with fuzzy decision reducts
Information Sciences: an International Journal
On fuzzy rough sets based on tolerance relations
Information Sciences: an International Journal
MGRS: A multi-granulation rough set
Information Sciences: an International Journal
Invertible approximation operators of generalized rough sets and fuzzy rough sets
Information Sciences: an International Journal
Local reduction of decision system with fuzzy rough sets
Fuzzy Sets and Systems
Positive approximation: An accelerator for attribute reduction in rough set theory
Artificial Intelligence
Soft fuzzy rough sets for robust feature evaluation and selection
Information Sciences: an International Journal
Fuzzy-rough nearest neighbour classification and prediction
Theoretical Computer Science
Neighborhood systems and approximate retrieval
Information Sciences: an International Journal
On the generalization of fuzzy rough sets
IEEE Transactions on Fuzzy Systems
Fuzzy-Rough Sets Assisted Attribute Selection
IEEE Transactions on Fuzzy Systems
Parameterized attribute reduction with Gaussian kernel based fuzzy rough sets
Information Sciences: an International Journal
Rough set-based approach for modeling relationship measures in product planning
Information Sciences: an International Journal
Relationships among generalized rough sets in six coverings and pure reflexive neighborhood system
Information Sciences: an International Journal
Information-theoretic measures associated with rough set approximations
Information Sciences: an International Journal
Attribute reduction of data with error ranges and test costs
Information Sciences: an International Journal
A measurement theory view on the granularity of partitions
Information Sciences: an International Journal
Using one axiom to characterize rough set and fuzzy rough set approximations
Information Sciences: an International Journal
Attribute reduction for dynamic data sets
Applied Soft Computing
Entropy measures and granularity measures for set-valued information systems
Information Sciences: an International Journal
Rough set approach to incomplete numerical data
Information Sciences: an International Journal
Reliability assessment and failure analysis of lithium iron phosphate batteries
Information Sciences: an International Journal
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To discover knowledge from hybrid data using rough sets, researchers have developed several fuzzy rough set models and a neighborhood rough set model. These models have been applied to many hybrid data processing applications for a particular purpose, thus neglecting the issue of selecting an appropriate model. To address this issue, this paper mainly concerns the relationships among these rough set models. Investigating fuzzy and neighborhood hybrid granules reveals an important relationship between these two granules. Analyzing the relationships among rough approximations of these models shows that Hu's fuzzy rough approximations are special cases of neighborhood and Wang's fuzzy rough approximations, respectively. Furthermore, one-to-one correspondence relationships exist between Wang's fuzzy and neighborhood rough approximations. This study also finds that Wang's fuzzy and neighborhood rough approximations are cut sets of Dubois' fuzzy rough approximations and Radzikowska and Kerre's fuzzy rough approximations, respectively.