Approximation operators based on vague relations and roughness measures of vague sets.
Mingfen WuPublished in: Frontiers Comput. Sci. China (2011)
Keyphrases
- vague sets
- approximation operators
- rough set approximations
- arithmetic operations
- fuzzy entropy
- uncertain information
- fuzzy sets
- fuzzy theory
- rough sets
- membership functions
- fuzzy numbers
- set theoretic
- fuzzy rough sets
- fuzzy relations
- fuzzy information
- approximation spaces
- fuzzy logic
- fuzzy clustering
- equivalence relation
- decision making
- attribute reduction
- rough set theory
- decision rules
- data model
- data streams
- pattern recognition