926 search results - page 9 / 186 » A new extension of fuzzy sets using rough sets: R-fuzzy sets |
RSEISP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Rough sets have been applied to many areas where multiattribute data is needed to be analyzed to acquire knowledge for decision making. Web-based Support Systems (WSS) ar...
IJAR
2008
13 years 7 months ago
2008
This paper presents new techniques for performing logical operations on type-2 fuzzy sets. These techniques make significant use of geometric methods to give, for the first time, ...
RSCTC
2000
Springer
13 years 11 months ago
2000
Springer
In this paper we introduce the concept of valued tolerance as an extension of the usual concept of indiscernibility (which is a crisp equivalence relation) in rough sets theory. So...
PRL
2007
13 years 6 months ago
2007
: We propose a new feature selection strategy based on rough sets and Particle Swarm Optimization (PSO). Rough sets has been used as a feature selection method with much success, b...
FUZZIEEE
2007
IEEE
14 years 1 months ago
2007
IEEE
— Geometric Type-2 Fuzzy sets allow us to model type-2 fuzzy sets using geometry providing significant improvement in speed of computation. This paper explores in detail how wel...