Variable precision rough set model
Journal of Computer and System Sciences
A comparative study of fuzzy rough sets
Fuzzy Sets and Systems
Soft fuzzy rough sets for robust feature evaluation and selection
Information Sciences: an International Journal
The Knowledge Engineering Review
Ordered weighted average based fuzzy rough sets
RSKT'10 Proceedings of the 5th international conference on Rough set and knowledge technology
Fuzzy rough set based attribute reduction for information systems with fuzzy decisions
Knowledge-Based Systems
Fuzzy-rough nearest neighbour classification
Transactions on rough sets XIII
RSFDGrC'11 Proceedings of the 13th international conference on Rough sets, fuzzy sets, data mining and granular computing
Robust fuzzy rough classifiers
Fuzzy Sets and Systems
Fuzzy-rough nearest neighbour classification and prediction
Theoretical Computer Science
Distance: A more comprehensible perspective for measures in rough set theory
Knowledge-Based Systems
Machine learning techniques and mammographic risk assessment
IWDM'10 Proceedings of the 10th international conference on Digital Mammography
Rough sets in the Soft Computing environment
Information Sciences: an International Journal
Approximation Algebra and Framework
Fundamenta Informaticae - Fundamentals of Knowledge Technology
International Journal of Approximate Reasoning
Facial expression recognition in dynamic sequences: An integrated approach
Pattern Recognition
A novel variable precision (θ,σ)-fuzzy rough set model based on fuzzy granules
Fuzzy Sets and Systems
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The hybridization of rough sets and fuzzy sets has focused on creating an end product that extends both contributing computing paradigms in a conservative way. As a result, the hybrid theory inherits their respective strengths, but also exhibits some weaknesses. In particular, although they allow for gradual membership, fuzzy rough sets are still abrupt in a sense that adding or omitting a single element may drastically alter the outcome of the approximations. In this paper, we revisit the hybridization process by introducing vague quantifiers like "some" or "most" into the definition of upper and lower approximation. The resulting vaguely quantified rough set (VQRS) model is closely related to Ziarko's variable precision rough set (VPRS) model.