Matroidal structure of covering-based rough sets through the upper approximation number.
Shiping WangWilliam ZhuPublished in: Int. J. Granul. Comput. Rough Sets Intell. Syst. (2011)
Keyphrases
- rough sets
- upper approximation
- rough set theory
- fuzzy sets
- decision rules
- attribute reduction
- equivalence relation
- granular computing
- lower and upper approximations
- boolean algebra
- rough sets theory
- pattern recognition
- data mining
- decision table
- fuzzy logic
- dominance relation
- knowledge reduction
- genetic algorithm
- rule extraction
- artificial neural networks
- rough fuzzy
- data analysis