Homomorphisms-based attribute reduction of dynamic fuzzy covering information systems.
Guangming LangQingguo LiLankun GuoPublished in: Int. J. Gen. Syst. (2015)
Keyphrases
- attribute reduction
- information systems
- variable precision rough set model
- rough sets
- rough set theory
- concept lattice
- knowledge reduction
- fuzzy rough sets
- decision table
- soft set
- fuzzy sets
- approximation operators
- rough set model
- discernibility matrix
- fuzzy clustering
- formal contexts
- membership functions
- fuzzy numbers
- multi criteria
- upper approximation
- databases
- decision rules
- machine learning
- attribute reduction algorithm
- decision making
- training data
- rough sets theory
- data analysis
- preprocessing
- fuzzy logic