The Covering Upper Approximation by Subcovering.

Shiping Wang William Zhu Peiyong Zhu

Published in: GrC (2010)

Keyphrases

upper approximation
rough sets
boolean algebra
rough set theory
fuzzy sets
equivalence relation
pattern recognition
fuzzy logic
information entropy
cardinality constraints
decision rules
database
theorem prover
decision table
decision trees
approximation operators
artificial intelligence