Fuzzy sets and their variants
New view of fuzzy aggregations. part I: general information structure for decision-making models

Gia Sirbiladze

Volume 2, Issue 2 , June 2021, , Pages 130-143

https://doi.org/10.22105/jfea.2021.275084.1080

Abstract
  The Ordered Weighted Averaging (OWA) operator was introduced by Yager [57] to provide a method for aggregating inputs that lie between the max and min operators. In this article two variants of probabilistic extensions the OWA operator-POWA and FPOWA (introduced by Merigo [26] and [27]) are considered ...  Read More

Fuzzy sets and their variants
Well drilling fuzzy risk assessment using fuzzy FMEA and fuzzy TOPSIS

Mazdak Khodadadi-Karimvand; Hadi Shirouyehzad

Volume 2, Issue 2 , June 2021, , Pages 144-155

https://doi.org/10.22105/jfea.2021.275955.1086

Abstract
  One of the most important issues that organizations have to deal with is the timely identification and detection of risk factors aimed at preventing incidents. Managers’ and engineers’ tendency towards minimizing risk factors in a service, process or design system has obliged them to analyze ...  Read More

Fuzzy sets and their variants
Application of fuzzy algebraic model to statistical analysis of neuro-psychopathology data

Semiu Ayinla Alayande; Ezekiel Akande; Amanze Egere

Volume 2, Issue 2 , June 2021, , Pages 156-162

https://doi.org/10.22105/jfea.2021.279105.1089

Abstract
  The purpose of this paper is to describe and present applications of fuzzy logic in analysis of certain neuro-psychopathological symptoms. These symptoms have been linked to conditions relating to occupational hazards. Our method of data analysis which is based on Hamacher operation on picture fuzzy ...  Read More

Fuzzy sets and their variants
Evaluation and selection of supplier in supply chain with fuzzy analytical network process approach

Mohammad Ghasempoor Anaraki; Dmitriy S. Vladislav; Mahdi Karbasian; Natalja Osintsev; Victoria Nozick

Volume 2, Issue 1 , March 2021, , Pages 69-88

https://doi.org/10.22105/jfea.2021.274734.1078

Abstract
  One of the most important issues concerning the designing a supply chain is selecting the supplier. Selecting proper suppliers is one of the most crucial activities of an organization towards the gradual improvement and a promotion in performance. This intricacy is because suppliers fulfil a part of ...  Read More

Fuzzy sets and their variants
A simplified new approach for solving fully fuzzy transportation problems with involving triangular fuzzy numbers

Ladji Kane; Hamala Sidibe; Souleymane Kane; Hawa Bado; Moussa Konate; Daouda Diawara; Lassina Diabate

Volume 2, Issue 1 , March 2021, , Pages 89-105

https://doi.org/10.22105/jfea.2021.275280.1084

Abstract
  Transportation Problem (TP) is an important network structured linear programming problem that arises in several contexts and has deservedly received a great deal of attention in the literature. The central concept in this problem is to find the least total transportation cost of a commodity in order ...  Read More

Fuzzy sets and their variants
Fuzzy programming approach to Bi-level linear programming problems

Eshetu Dadi Gurmu; Tagay Takele Fikadu

Volume 1, Issue 4 , December 2020, , Pages 252-271

https://doi.org/10.22105/jfea.2020.262326.1069

Abstract
  In this study, we discussed a fuzzy programming approach to bi-level linear programming problems and their application. Bi-level linear programming is characterized as mathematical programming to solve decentralized problems with two decision-makers in the hierarchal organization. They become more important ...  Read More

Fuzzy sets and their variants
An overview of data envelopment analysis models in fuzzy stochastic environments

Fatemeh Zahra Montazeri

Volume 1, Issue 4 , December 2020, , Pages 272-278

https://doi.org/10.22105/jfea.2020.258330.1030

Abstract
  One of the appropriate and efficient tools in the field of productivity measurement and evaluation is data envelopment analysis, which is used as a non-parametric method to calculate the efficiency of decision-making units. Today, the use of data envelopment analysis technique is expanding rapidly and ...  Read More

Fuzzy sets and their variants
An overview of portfolio optimization using fuzzy data envelopment analysis models

Mehrdad Rasoulzadeh; Mohammad Fallah

Volume 1, Issue 3 , September 2020, , Pages 180-188

https://doi.org/10.22105/jfea.2020.255034.1027

Abstract
  A combination of projects, assets, programs, and other components put together in a set is called a portfolio. Arranging these components helps to facilitate the efficient management of the set and subsequently leads to achieving the strategic goals. Generally, the components of the portfolio are quantifiable ...  Read More

Fuzzy sets and their variants
Assessment and linear programming under fuzzy conditions

Michael Voskoglou

Volume 1, Issue 3 , September 2020, , Pages 189-205

https://doi.org/10.22105/jfea.2020.253436.1024

Abstract
  The present work focuses on two directions. First, a new fuzzy method using triangular / trapezoidal fuzzy numbers as tools is developed for evaluating a group’s mean performance, when qualitative grades instead of numerical scores are used for assessing its members’ individual performance. ...  Read More

Fuzzy sets and their variants
Multi item inventory model include lead time with demand dependent production cost and set-up-cost in fuzzy environment

Satya Kumar Das

Volume 1, Issue 3 , September 2020, , Pages 227-243

https://doi.org/10.22105/jfea.2020.254081.1025

Abstract
  In this paper, we have developed the multi-item inventory model in the fuzzy environment. Here we considered the demand rate is constant and production cost is dependent on the demand rate. Set-up- cost is dependent on average inventory level as well as demand. Lead time crashing cost is considered the ...  Read More

Fuzzy sets and their variants
Analyzing the barriers of organizational transformation by using fuzzy SWARA

Iman Ghasemian Sahebi; Alireza Arab; Seyed Pendar Toufighi

Volume 1, Issue 2 , June 2020, , Pages 84-97

https://doi.org/10.22105/jfea.2020.249191.1010

Abstract
  The crucial role of bureaucracy in the economic, political, socio-cultural and political structures, and its impact in achieving the goals of organization is so important that in order to achieve the development, change directions consists of purifying and modernization of the administrative system in ...  Read More

Fuzzy sets and their variants
Prediction of Pakistan super league-2020 using TOPSIS and fuzzy TOPSIS methods

Muhammad Naveed Jafar; Faizullah Khan; Amir Naveed

Volume 1, Issue 2 , June 2020, , Pages 98-107

https://doi.org/10.22105/jfea.2020.249363.1011

Abstract
  We lived in uncertain word and prediction in this uncertain word is a major issue. Prediction in cricket is very complex because there are many factors which are effecting on results. Weather, pitch, Conditions, Home grounds are some of these factors. In this article it is aimed to predict the results ...  Read More

Fuzzy sets and their variants
Application of fuzzy logic in portfolio management: evidence from Iranian researches

Meysam Kaviani; Seyed Fakhreddin Fakhrehosseini

Volume 1, Issue 2 , June 2020, , Pages 108-111

https://doi.org/10.22105/jfea.2020.249372.1012

Abstract
  Over the past decades, financial researchers have proposed different methods in portfolio selection, so that, Markwotiz [1] introduced risk and return criteria for a portfolio selection. Since it is difficult how to select an adequate stock portfolio, fuzzy models have been able to help researchers by ...  Read More

Fuzzy sets and their variants
Computer and fuzzy theory application: review in home appliances

Tim Chen; Ilnar Karimov; Jcy Chen; Alexandv Constantinovitc

Volume 1, Issue 2 , June 2020, , Pages 133-138

https://doi.org/10.22105/jfea.2020.251719.1019

Abstract
  Clays have a tendency to this article first introduces the basic concepts of fuzzy theory, including comparisons between fuzzy sets and traditional explicit sets, fuzzy sets basic operations such as the membership function of the set and the colloquial variable, the intersection and union of the fuzzy ...  Read More

Fuzzy sets and their variants
Precise services and supply chain prioritization in manufacturing companies using cost analysis provided in a fuzzy environment

Alireza Marzband

Volume 1, Issue 1 , March 2020, , Pages 41-56

https://doi.org/10.22105/jfea.2020.248187.1006

Abstract
  In recent years, management and, consequently, supply chain performance measurement, has attracted the attention of a large number of managers and researchers in the field of production and operations management. In parallel with the evolution of organizations from a single approach to a network and ...  Read More

Fuzzy sets and their variants
Fuzzy logic in accounting and auditing

Mohsen Imeni

Volume 1, Issue 1 , March 2020, , Pages 66-72

https://doi.org/10.22105/jfea.2020.246647.1002

Abstract
  Many areas of accounting have highly ambiguous due to undefined and inaccurate terms. Many ambiguities are generated by the human mind. In the field of accounting, these ambiguities lead to the creation of uncertain information. Many of the targets and concepts of accounting with binary classification ...  Read More