The lower and upper approximations and homomorphisms between lower approximations in quotient groups.
Waqas MahmoodWaqas NazeerShin Min KangPublished in: J. Intell. Fuzzy Syst. (2017)
Keyphrases
- lower and upper approximations
- rough sets
- rough set theory
- fuzzy rough sets
- decision rules
- fuzzy sets
- rough approximations
- equivalence class
- equivalence relation
- approximation spaces
- attribute reduction
- granular computing
- equivalence classes
- upper approximation
- machine learning
- information entropy
- graph theory
- graph theoretic
- multi criteria
- decision table
- rough fuzzy
- relational databases
- approximation operators
- pattern recognition