Results 11 to 20 of about 1,673,684 (214)

Correlation of Intuitionistic Fuzzy Sets [PDF]

open access: yes, 2010
The correlation coefficient (Pearson's r) is one of the most frequently used tools in statistics. In this paper we propose a correlation coefficient of Atanassov's intuitionistic fuzzy sets (A-IFSs). It provides the strength of the relationship between A-IFSs and also shows if the considered sets are positively or negatively correlated.
Eulalia Szmidt, Janusz Kacprzyk
openaire   +3 more sources

Intuitionistic Fuzzy Planar Graphs

open access: yesDiscrete Dynamics in Nature and Society, 2014
Graph theory has numerous applications in modern sciences and technology. Atanassov introduced the concept of intuitionistic fuzzy sets as a generalization of fuzzy sets. Intuitionistic fuzzy set has shown advantages in handling vagueness and uncertainty
Noura Alshehri, Muhammad Akram
doaj   +2 more sources

Semantic transfer and contradictory evidence in intuitionistic fuzzy sets [PDF]

open access: yes, 2008
The relationship between object level intuitionistic fuzzy sets and predicate based intuitionistic fuzzy sets is explored. Mass assignment uses a process called semantic unification to evaluate the degree to which one set supports another, the inverse ...
Robert S. Patching (7169249)   +2 more
core   +6 more sources

Clustering stock price volatility using intuitionistic fuzzy sets [PDF]

open access: yes, 2022
Clustering involves gathering a collection of objects into homogeneous groups or clusters, such that objects in the same cluster are more similar when compared to objects present in other groups.
Chountas, P., Urumov, G.
core   +1 more source

Multi-objective optimisation in air-conditioning systems : comfort/discomfort definition by IF sets. [PDF]

open access: yes, 2001
The problem of multi-objective optimisation of air-conditioning (AC) systems is treated in the paper in the framework of intuitionistic fvzzy (lF) set theory. The nature of the problem is multi-objective one with requirements for minimal costs (generally,
Angelov, Plamen
core   +3 more sources

A random set and prototype theory interpretation of intuitionistic fuzzy sets [PDF]

open access: yes, 2010
An interpretation of intuitionistic fuzzy sets is proposed based on random set theory and prototype theory. The extension of fuzzy labels are modelled by lower and upper random set neighbourhoods, identifying those element of the universe within an ...
Lawry, Jonathan, Jonathan Lawry
core   +1 more source

Multi-Intuitionistic Fuzzy Sets and Intuitionistic Fuzzy P Systems [PDF]

open access: yesInternational Journal of Fuzzy Logic and Intelligent Systems, 2008
In this paper, we introduce multi-intuitionistic fuzzy sets and intuitionistic fuzzy hybrid sets. The basic operations between such structures are defined. The use of these structures in the definition of intuitionistic fuzzy variants of P systems and their properties are presented.
M. Azab Abd-Allah, A. Ghareeb
openaire   +2 more sources

Four Distances for Circular Intuitionistic Fuzzy Sets

open access: yes, 2021
In the paper, for the first time, four distances for Circular Intuitionistic Fuzzy Sets (C-IFSs) are defined. These sets are extensions of the standard IFS that are extensions of Zadeh’s fuzzy sets.
Evgeniy Marinov   +3 more
core   +1 more source

Intuitionistic Fuzzy Topology on Soft Sets

open access: yesProceedings of the Institute of Mathematics and Mechanics, National Academy of Sciences of Azerbaijan, 2021
Summary: The purpose of the paper is to define intuitionistic fuzzy topology (co-topology) \((\tau, \tau^\ast)\) and examine some of its important properties. To do this, we firstly provide some fundamental properties of soft sets. Later in the paper, we introduce the concepts of base and subbase in intuitionistic fuzzy topological space of soft sets.
GÜNDÜZ, ÇİĞDEM   +2 more
openaire   +2 more sources

Intuitionistic Fuzzy Soft Rough Set and Its Application in Decision Making

open access: yesAbstract and Applied Analysis, 2014
The soft set theory, originally proposed by Molodtsov, can be used as a general mathematical tool for dealing with uncertainty. In this paper, we present concepts of soft rough intuitionistic fuzzy sets and intuitionistic fuzzy soft rough sets, and ...
Haidong Zhang, Lan Shu, Shilong Liao
doaj   +1 more source

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