The society in the digital transformation era demands new decision schemes such as e-
democracy or based on social media. Such novel decision schemes require the participation …

In 2013, Barrenechea et al. used the Choquet integral as an aggregation function in the
fuzzy reasoning method (FRM) of fuzzy rule-based classification systems. After that, starting …

The theory of hesitant fuzzy linguistic term sets (HFLTSs) is a powerful technique used to
describe hesitant situations, which are typically assessed by experts using several possible …

A softmax operator applied to a set of values acts somewhat like the maximization function
and somewhat like an average. In sequential decision making, softmax is often used in …

Fractional calculus (FC) is the area of calculus that generalizes the operations of
differentiation and integration. FC operators are non-local and capture the history of …

Interval type-2 fuzzy sets (IT2 FS) have played a prominent role in the development of type-2
(T2) fuzzy logic and fuzzy systems for application to linguistic approximation transformations …

We present a new generalized version of the fuzzy k-nearest neighbor (FKNN) classifier that
uses local mean vectors and utilizes the Bonferroni mean. We call the proposed new …

We review the Dempster-Shafer (DS) belief structure and discuss the measures of
plausibility and belief and other measures that can be associated with this uncertainty …

As a generalization of bivariate overlap functions, which measure the degree of overlapping
(intersection for non-crisp sets) of n different classes, in this paper we introduce the concept …

This book is about computational aspects of fuzzy measures—nonadditive measures
defined on discrete sets X. Our main focus is on multicriteria decision making and the …