Volume 2 (2021)
Volume 1 (2020)

 Facts and Figures

 Journal of Fuzzy Extension and Applications

 ISO Abbreviation:  J. Fuzzy. Ext. Appl

Number of Volumes 3
Number of Issues 9
Number of Papers 72
Article View 49,688
PDF Download 12,040
View Per Article 690.11
PDF Download Per Article 167.22
Acceptance Rate 31%
Number of Indexing Databases 16
Number of Reviewers




Indexing and Abstracting


Islamic World Science Citation Center (ISC)

Scope Database











Journal of Fuzzy Extension & Applications (JFEA)  is an international scholarly open access,  interdisciplinary,  fully refereed, and quarterly free of charge journal as a non-commercial publication. The publication start year of JFEA is 2020 and affiliated with Ayandegan Institute of Higher Education. The JFEA Journal has been indexed in the well-known world databases mainly; Directory of Open Access Journals (DOAJ), China Academic Journals (CNKI), WorldCat, Islamic World Science Citation Center (ISC), EBSCO, EuroPubGoogle ScholarUlrichsweb, and Scientific Information Database (SID). The JFEA has partnered with Publons, the world’s leading peer review platform, to officially recognize your peer review contributions. For more information about Publons or to sign up, visit our webpage at Publons. Moreover, JFEA utilizes "Plagiarism Detection Software (iThenticate)" for checking the originality of submitted papers in the reviewing process. This journal respects the ethical rules in publishing and is subject to the rules of the Ethics Committee" for Publication (COPE) and committed to follow the executive regulations of the Law on Prevention and Combating Fraud in Scientific  Works.

This journal aims to provide a forum for original research articles in the theory, design, and applications of Fuzzy sets and their generalization such as “Intuitionistic fuzzy sets”, “Pythagorean fuzzy sets”, “picture fuzzy sets”, “Hesitant fuzzy sets”, ”Neutrosophic sets”, “Plithogenic set”, ”Hypersoft set”, etc. The goal of JFEA is to help promote the advances in the development and practice of fuzzy sets and their generalization in the areas of foundations, mathematics, artificial intelligence, control, robotics, data analysis, data mining, decision making, finance, management, economic, environmental, medical, information systems, operations research, pattern recognition, image processing, soft computing, uncertainty and indeterminacy modeling, and others. The scope of the journal involves fuzzy sets extensions and applications in every branch of science and technology. For more information about JFEA, see (About Journal).


It should be noted that Journal of Fuzzy Extension & Applications (JFEA) has  a memorandum of understanding (MOU) with Neutrosophic Science International Association (NSIA), for more details see (MOU).


JFEA wishes everybody have good health and safe from Coronavirus.





Special issues:


Review Paper Fuzzy sets and their variants
1. A fuzzy multi objective inventory model of demand dependent deterioration including lead time

Satya Kumar Das

Volume 3, Issue 1 , March 2022, Pages 1-18


  In this article, we have developed a deteriorated multi-item inventory model in a fuzzy environment. Here the demand rate is constant. Production cost and set-up cost are the most vital issue in the inventory system of the market world. Here production cost and set-up- cost are continuous functions of ...  Read More

Research Paper Linguistic term sets and their variants
2. Fuzzy FMEA model: a case study to identify rejection and losses in fibre industry

Mayank Jatwa; VK Sukhwani

Volume 3, Issue 1 , March 2022, Pages 19-30


  The growing competition between fibre producing industry and the standards to which, it requires high quality standards. ABC company’s procurement department data shows N of number of defects in cellulose pulp sheet uncurl every month. Cellulose sheet is an important raw material in the fibre (Staple) ...  Read More

Research Paper Fuzzy sets and their variants
3. Application of the fuzzy inference system to evaluate the quality of air textured warp yarn

Umutgül Bulut; Eren Ozceylan

Volume 3, Issue 1 , March 2022, Pages 31-44


  It has become one of the indispensable conditions to continuously improve the quality and achieve the quality standards in order to adapt to the increasingly competitive environment in the textile industry. However, the textile production process like many other industrial processes involves the interaction ...  Read More

Research Paper Type-2 fuzzy sets and their variants
4. Modeling fuzzimetric cognition of technical analysis decisions: reducing emotional trading

Issam Kouatli

Volume 3, Issue 1 , March 2022, Pages 45-63


  Stock traders' forecasting strategies are mainly dependent on Technical Analysis (TA) indicators. However, some traders would follow their intuition and emotional aspects when trading instead of following the mathematically solid forecasting techniques of TA(s). The objective of this paper is to help ...  Read More

Research Paper Intuitionistic fuzzy sets and their variants
5. Hybrid intelligent parameter tuning approach for COVID-19 time series modeling and prediction

Imo Jeremiah Eyo; Olufemi Sunday Adeoye; Udoinyang Godwin Inyang; Ini John Umoeka

Volume 3, Issue 1 , March 2022, Pages 64-80


  A novel hybrid intelligent approach for tuning the parameters of Interval Type-2 Intuitionistic Fuzzy Logic System (IT2IFLS) is introduced for the modeling and prediction of coronavirus disease 2019 (COVID-19) time series. COVID-19 is known to be a virus caused by Severe Acute Respiratory Syndrome Coronavirus ...  Read More

Research Paper Pythagorean fuzzy sets and their variants
6. How warehouse location decisions changed in medical sector after pandemic? a fuzzy comparative study

Tutku Tuncalı Yaman; Gonca Reyhan Akkartal

Volume 3, Issue 1 , March 2022, Pages 81-95


  In the decision theory, there are many useful tools for operations in logistics and Supply Chain Management (SCM). One of the vital trivets of logistics operations is warehouse management which is also one of the parts of a supply chain. Deciding on the location of a warehouse has a critical issue especially ...  Read More

Research Paper Plithogenic sets and their variants
7. Introduction to plithogenic sociogram with preference representations by plithogenic number

Nivetha Martin; Florentin Smarandache; R Priya

Volume 3, Issue 1 , March 2022, Pages 96-108


  The theory of Plithogeny is gaining momentum in recent times as it generalizes the concepts of fuzzy, intuitionistic, neutrosophy and other extended representations of fuzzy sets. The relativity of the comprehensive and accommodative nature of plithogenic sets in dealing with attributes shall be applied ...  Read More

Soft sets and their variants
1. Fuzzy hypersoft sets and its weightage operator for decision making

Somen Debnath

Volume 2, Issue 2 , June 2021, , Pages 163-170


  Hypersoft set is an extension of the soft set where there is more than one set of attributes occur and it is very much helpful in multi-criteria group decision making problem. In a hypersoft set, the function F is a multi-argument function. In this paper, we have used the notion of Fuzzy Hypersoft Set ...  Read More

Fuzzy sets and their variants
2. A new algorithm for fuzzy transportation problems with trapezoidal fuzzy numbers under fuzzy circumstances

Ladji Kane; Moctar Diakite; Souleymane Kane; Hawa Bado; Moussa Konate; Koura Traoré

Volume 2, Issue 3 , September 2021, , Pages 204-225


  Transportation problem 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 to satisfy ...  Read More

Intuitionistic fuzzy sets and their variants
3. On the prediction of Covid-19 time series: an intuitionistic fuzzy logic approach

Imo Eyo; Jeremiah Eyoh; Uduak Umoh

Volume 2, Issue 2 , June 2021, , Pages 171-190


  This paper presents a time series analysis of a novel coronavirus, COVID-19, discovered in China in December 2019 using intuitionistic fuzzy logic system with neural network learning capability. Fuzzy logic systems are known to be universal approximation tools that can estimate a nonlinear function as ...  Read More

Fuzzy sets and their variants
4. 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


  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

Ordered structures and their variants
5. New characterization theorems of the mp-quantales

George Georgescu

Volume 2, Issue 2 , June 2021, , Pages 106-119


  The mp-quantales were introduced in a previous paper as an abstraction of the lattices of ideals in mp-rings and the lattices of ideals in conormal lattices. Several properties of m-rings and conormal lattices were generalized to mp-quantales. In this paper we shall prove new characterization theorems ...  Read More

1. Using a combined Fuzzy-AHP and TOPSIS Decision Model for Selecting the Best Firewall Alternative

Ceren Cubukcu; Cem Cantekin

Articles in Press, Accepted Manuscript, Available Online from 11 December 2021


  Covid-19 pandemic forced all the world to make significant changes in their daily routines. As a result, internet and digital technologies started to be used more ac-tively by individuals and businesses. Due to this digitalization, everyone is more open to digital threats. In order to provide the security ...  Read More

SI: IFTBDADM Complex Fuzzy Sets and their variants
2. An Efficient Parallel Greedy Algorithm for Fuzzy Hybrid Flow Shop Scheduling with Setup Time and Lot Size: A Case Study in Apparel Process

Orhan Engin; Meral İşler

Articles in Press, Accepted Manuscript, Available Online from 13 December 2021


  This paper deals with the fuzzy hybrid flow shop (FHFS) scheduling inspired by a real apparel process. A parallel greedy (PG) algorithm is proposed to solve the FHFS problems with setup time (ST) and lot size (LS). The fuzzy model is used to define the uncertain setup and processing time and due dates. ...  Read More

SI: IFTBDADM Z-numbers and their variants
3. Intuitive Multiple Centroid Defuzzification of Intuitionistic Z-Numbers

Nik Muhammad Farhan Hakim Nik Badrul Alam; Ku Muhammad Naim Ku Khalif; Nor Izzati Jaini; Ahmad Syafadhli Abu Bakar; Lazim Abdullah

Articles in Press, Accepted Manuscript, Available Online from 15 January 2022


  In fuzzy decision-making, incomplete information always leads to uncertain and partially reliable judgements. The emergence of fuzzy set theory helps decision-makers in handling uncertainty and vagueness when making judgements. Intuitionistic fuzzy numbers (IFN) measure the degree of uncertainty better ...  Read More

Research Paper Fuzzy sets and their variants
4. Prediction of Human Behavior with TOPSIS

Taraneh Javanbakht; Shivanjan Chakravorty

Articles in Press, Accepted Manuscript, Available Online from 23 February 2022


  The present paper proposes a new application of the prediction of human behavior using TOPSIS as an appropriate tool for data optimization. Our hypothesis was that the analysis of the candidates with this method was influenced by the change of their behavior. We found that the behavior change could occur ...  Read More

Research Paper Type-2 fuzzy sets and their variants
5. Type-2 fuzzy logic controller design optimization using the PSO approach for ECG prediction

Mahmut Dirik

Articles in Press, Accepted Manuscript, Available Online from 22 March 2022


  In this study, a hybrid model for prediction issues based on IT2FLS and particle swarm optimization (PSO) is proposed. The main contribution of this paper is to discover the ideal strategy for creating an optimal value vector to optimize the membership function of the fuzzy controller. It should be emphasized ...  Read More

Research Paper Fuzzy sets and their variants
6. A novel method for solving multi- objective linear fractional programming problem under uncertainty

Ibrahim Mohamed Mekawy

Articles in Press, Accepted Manuscript, Available Online from 03 April 2022


  Fractional problem (FP) is a decision problem arises to optimize the ratio subject to constraints. In real-world decision scenarios, decision makers (DMs) may be asked to compare inventory to sales, actual cost to standard cost, output to employee, and so on., with both the numerator and denominator ...  Read More

Research Paper Fuzzy sets and their variants
7. Machine Efficiency Measurement In Industry 4.0 Using Fuzzy Data Envelopment Analysis

Irem Ucal Sari; Umut Ak

Articles in Press, Accepted Manuscript, Available Online from 06 April 2022


  Industry 4.0 implementations are competitive tools of recent production systems in which complex computerized systems are employed. The efficiency of these systems is generally measured by data envelopment analysis (DEA) under certainty. However, the required data in modeling the system involve a high ...  Read More

8. Age and Gender Classification from Facial Features and Object Detection with Machine Learning

Mehmet Karahan; Furkan Lacinkaya; Kaan Erdonmez; Eren Deniz Eminağaoğlu; Coşku Kasnakoğlu

Articles in Press, Accepted Manuscript, Available Online from 16 April 2022


  In recent years, development of the machine learning algorithms has led to the creation of intelligent surveillance systems. Thanks to the machine learning, it is possible to perform intelligent surveillance by recognizing people's facial features, classifying their age and gender, and detecting objects ...  Read More

Research Paper Linguistic term sets and their variants
9. Prioritization of GPM Activities from Lean-Agile-Resilience Perspective using Fuzzy Analytic Hierarchy Process

Masoomeh Zeinalnezhad; Somaieh Alavi; Emad Mousavi

Articles in Press, Accepted Manuscript, Available Online from 28 April 2022


  Green Project Management (GPM) involves a set of management actions to identify and evaluate the impact of activities on the environment and to control and improve performance. Accordingly, the concepts of lean, agility and resilience have a special place as driving forces because they can play an important ...  Read More

Research Paper Soft sets and their variants
10. A Hybrid Method for the Assessment of Analogical Reasoning Skills

Michael Voskoglou; said broumi

Articles in Press, Accepted Manuscript, Available Online from 16 May 2022


  Much of a person’s cognitive activity depends on the ability to reason analogically. Analogical reasoning compares the similarities between new and past knowledge and uses them to obtain an understanding of the new knowledge. The mechanisms, however, under which the human mind works are not fully ...  Read More

D- numbers and their variants
1. Supplier selection using fuzzy AHP method and D-numbers

Payam Shafi Salimi; Seyyed Ahmad Edalatpanah

Volume 1, Issue 1 , March 2020, , Pages 1-14


  Success in supply begins with the right choice of suppliers and in the long run is directly related to how suppliers are managed, because suppliers have a significant impact on the success or failure of a company. Multi-criteria decisions are approaches that deal with ranking and selecting one or more ...  Read More

Plithogenic sets and their variants
2. New Plithogenic sub cognitive maps approach with mediating effects of factors in COVID-19 diagnostic model

Nivetha Martin; R. Priya; Florentin Smarandache

Volume 2, Issue 1 , March 2021, , Pages 1-15


  The escalation of COVID-19 curves is high and the researchers worldwide are working on diagnostic models, in the way this article proposes COVID-19 diagnostic model using Plithogenic cognitive maps. This paper introduces the new concept of Plithogenic sub cognitive maps including the mediating effects ...  Read More

Intuitionistic fuzzy sets and their variants
3. Medical diagnostic analysis on some selected patients based on modified Thao et al.’s correlation coefficient of intuitionistic fuzzy sets via an algorithmic approach

Paul Augustine Ejegwa; Idoko Charles Onyeke

Volume 1, Issue 2 , June 2020, , Pages 122-132


  The concept of correlation coefficient of intuitionistic fuzzy sets is a reliable tool in information theory with numerous applications in diverse areas. Correlation coefficients of intuitionistic fuzzy sets have been studied through two-way approach by many researchers. This approach inappropriately ...  Read More

Picture fuzzy sets and their variants
4. The picture fuzzy distance measure in controlling network power consumption

Ngan Thi Roan; Salvador Coll; Marina Alonso; Juan Miguel Martínez Rubio; Pedro López; Fran Andujar; Son Hoang Le; Manh Van Vu; Florentin Smarandache

Volume 1, Issue 3 , September 2020, , Pages 139-158


  In order to solve the complex decision-making problems, there are many approaches and systems based on the fuzzy theory were proposed. In 1998, Smarandache introduced the concept of single-valued neutrosophic set as a complete development of fuzzy theory. In this paper, we research on the distance measure ...  Read More

Fuzzy sets and their variants
5. 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


  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



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Digital Object Identifier (DOI)
DOI prefix:10.22105

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