The Lower and Upper Approximations of Fuzzy Sets in a Fuzzy Group.
Degang ChenWen-Xiu ZhangPublished in: AFSS (2002)
Keyphrases
- fuzzy sets
- lower and upper approximations
- rough sets
- fuzzy rough sets
- membership functions
- fuzzy set theory
- fuzzy relations
- fuzzy logic
- fuzzy similarity relations
- rough set theory
- fuzzy rules
- interval valued
- granular computing
- fuzzy sets theory
- membership degrees
- fuzzy membership functions
- membership degree
- computational intelligence
- fuzzy numbers
- upper approximation
- fuzzy information
- fuzzy inference
- soft computing
- pattern recognition
- membership values
- attribute reduction
- fuzzy partition
- approximation spaces
- aggregation operators
- decision making
- rough fuzzy
- genetic algorithm
- intuitionistic fuzzy sets
- information entropy
- neural network
- fuzzy clustering
- decision rules
- control system
- expert systems