Keyphrases
- rough sets
- fuzzy sets
- rough set theory
- vague sets
- fuzzy entropy
- decision rules
- granular computing
- data mining
- rough sets theory
- uncertain data
- dominance relation
- decision table
- soft computing
- membership functions
- fuzzy logic
- data analysis
- pattern recognition
- imprecise probabilities
- knowledge discovery
- arithmetic operations
- approximation spaces
- bp neural network
- genetic algorithm