3 papers
cs.AI2016
Double-quantitative fuzzy coverings approximation operators
Guangming Lang
In digital-based information boom, the fuzzy covering rough set model is an important mathematical tool for artificial intelligence, and how to build the bridge between the fuzzy c…
cs.AI2014
Decision-theoretic rough sets-based three-way approximations of interval-valued fuzzy sets
Guangming Lang
In practical situations, interval-valued fuzzy sets are frequently encountered. In this paper, firstly, we present shadowed sets for interpreting and understanding interval fuzzy s…
cs.IT2012
Generalized fuzzy rough sets based on fuzzy coverings
Guangming Lang, Qingguo Li, Lankun Guo
This paper further studies the fuzzy rough sets based on fuzzy coverings. We first present the notions of the lower and upper approximation operators based on fuzzy coverings and d…