Fuzzy sets and their variants
Evaluation of key impression of resilient supply chain based on artificial intelligence of things (AIoT)

Alireza Aliahmadi; Hamed Nozari; Javid Ghahremani-Nahr; Agnieszka Szmelter-Jarosz

Volume 3, Issue 3 , July 2022, , Pages 201-211

https://doi.org/10.22105/jfea.2022.345008.1221

Abstract
  In recent years, the high complexity of the business environment, dynamism and environmental change, uncertainty and concepts such as globalization and increasing competition of organizations in the national and international arena have caused many changes in the equations governing the supply chain. ...  Read More

Fuzzy sets and their variants
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 Traore

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

https://doi.org/10.22105/jfea.2021.287198.1148

Abstract
  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

Type-2 fuzzy sets and their variants
Using interval type-2 fuzzy logic to analyze Igbo emotion words

Uduak Umoh; Imo Eyoh; Etebong Isong; Anietie Ekong; Salvation Peter

Volume 1, Issue 3 , September 2020, , Pages 206-226

https://doi.org/10.22105/jfea.2020.251544.1021

Abstract
  Several attempts had been made to analyze emotion words in the fields of linguistics, psychology and sociology; with the advent of computers, the analyses of these words have taken a different dimension. Unfortunately, limited attempts have so far been made to using interval type-2 fuzzy logic (IT2FL) ...  Read More

Soft sets and their variants
A new approach to MCDM problems by fuzzy binary soft sets

P G Patil; Vyshakha Elluru; S Shivashankar

Volume 4, Issue 3 , July 2023, , Pages 207-216

https://doi.org/10.22105/jfea.2023.390059.1257

Abstract
  Many real-world problems face strenuous in making decisions. Many theories have evolved for dealing with such problems. The present paper deals with Fuzzy Binary Soft Sets and their applications to Multi Criteria Decision Making (MCDM) problems. Then introduced an expanded matrix representation of Fuzzy ...  Read More

Fuzzy sets and their variants
The fuzzy subgroups for the nilpotent ( p-group) of (d23 × c2m) for m ≥ 3

Sunday Adesina Adebisi; Mike Ogiugo; Michael Enioluwafe

Volume 3, Issue 3 , July 2022, , Pages 212-218

https://doi.org/10.22105/jfea.2022.337181.1215

Abstract
  A group is nilpotent if it has a normal series of a finite length n. By this notion, every finite p-group is nilpotent. The nilpotence property is an hereditary one. Thus, every finite p-group possesses certain remarkable characteristics. In this paper, the explicit formulae is given for the number of ...  Read More

Rough sets and their variants
Fire extinguishers based on acoustic oscillations in airflow using fuzzy classification

Mahmut Dirik

Volume 4, Issue 3 , July 2023, , Pages 217-234

https://doi.org/10.22105/jfea.2023.401426.1291

Abstract
  Fire is a natural disaster that poses a profound existential threat to humanity. It has traditionally been fought with conventional methods, which, unfortunately, are often fraught with limitations and potential environmental damage. Given these limitations, there is an urgent need for research into ...  Read More

Artificial Intelligence
Age and gender classification from facial features and object detection with machine learning

Mehmet Karahan; Furkan Lacinkaya; Kaan Erdonmez; Eren Deniz Eminagaoglu; Cosku Kasnakoglu

Volume 3, Issue 3 , July 2022, , Pages 219-230

https://doi.org/10.22105/jfea.2022.328472.1201

Abstract
  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

Linguistic term sets and their variants
Ranking of different of investment risk in high-tech projects using TOPSIS method in fuzzy environment based on linguistic variables

Mohammad Ebrahim Sadeghi; Hamed Nozari; Hadi Khajezadeh Dezfoli; Mehdi Khajezadeh Dezfoli

Volume 2, Issue 3 , September 2021, , Pages 226-238

https://doi.org/10.22105/jfea.2021.298002.1159

Abstract
  Examining the trend of the global economy shows that global trade is moving towards high-tech products. Given that these products generate very high added value, countries that can produce and export these products will have high growth in the industrial sector. The importance of investing in advanced ...  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

Q-rung orthopair fuzzy sets and their variants
Decision-making analysis of minimizing the death rate due to covid-19 by using q-rung orthopair fuzzy soft bonferroni mean operator

Mujahid Abbas; Muhammad Waseem Asghar; Yanhui Guo

Volume 3, Issue 3 , July 2022, , Pages 231-248

https://doi.org/10.22105/jfea.2022.335045.1214

Abstract
  The q-Rung Orthopair Fuzzy Soft Set (q-ROFSS) theory is a significant extension of Pythagorean fuzzy soft set and intuitionistic fuzzy soft set theories for dealing with the imprecision and uncertainty in data. The purpose of this study is to improve and apply this theory in decision-making. To achieve ...  Read More

Q-rung orthopair fuzzy sets and their variants
An algebraic analysis on exploring q-Rung orthopair multi-fuzzy sets

Mahalakshmi Pethaperumal; Vimala Jeyakumar; Jeevitha Kannan; Ashma Banu

Volume 4, Issue 3 , July 2023, , Pages 235-245

https://doi.org/10.22105/jfea.2023.408513.1302

Abstract
  The q-Rung Orthopair Fuzzy set (qROF-set) environment is a contemporary tool for handling uncertainty and vagueness in decision-making scenarios. In this paper, we delve into the algebraic examination of q-rung orthopair Multi-Fuzzy Sets (MFSs) and explore their operational laws. The novel q-Rung Orthopair ...  Read More

Intuitionistic fuzzy sets and their variants
An interval-valued atanassov’s intuitionistic fuzzy multi-attribute group decision making method based on the best representation of the WA and OWA operators

Ivanosca Andrade Da Silva; Berta Bedregal; Benjamin Bedregal; Regivan Hugo Nunes Santiago

Volume 2, Issue 3 , September 2021, , Pages 239-261

https://doi.org/10.22105/jfea.2021.306164.1162

Abstract
  In this paper we extend the notion of interval representation for interval-valued Atanassov’s intuitionistic representations, in short Lx-representations, and use this notion to obtain the best possible one, of the Weighted Average (WA) and Ordered Weighted Average (OWA) operators. A main characteristic ...  Read More

Spherical fuzzy sets
Some similarity measures of spherical fuzzy sets based on the Euclidean distance and their application in medical diagnosis

Princy Rayappan; Mohana Krishnaswamy

Volume 1, Issue 3 , September 2020, , Pages 244-251

https://doi.org/10.22105/jfea.2020.251669.1018

Abstract
  Similarity measure is an important tool in multiple criteria decision-making problems, which can be used to measure the difference between the alternatives. In this paper, some new similarity measures of Spherical Fuzzy Sets (SFS) are defined based on the Euclidean distance measure and the proposed similarity ...  Read More

Complex Fuzzy Sets and their variants
Generalized Hukuhara derivative approach for Gompertz tumor growth with allee effect under fuzzy environment

Rubeena Khaliq; Pervaiz Iqbal; Shahid Ahmad Bhat; Ram Singh; Shilpi Jain; Praveen Agarwal

Volume 4, Issue 4 , October 2023, , Pages 246-256

https://doi.org/10.22105/jfea.2023.422105.1310

Abstract
  In this present study, the tumor growth model using the Gompertz equation with the Allee effect is developed under a fuzzy environment using the Generalized Hukuhara Derivative  (GHD) approach. To capture the tumor growth patterns with the Allee threshold, the parameters present in the model vary ...  Read More

Complex Fuzzy Sets and their variants
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

Volume 3, Issue 3 , July 2022, , Pages 249-262

https://doi.org/10.22105/jfea.2021.314312.1169

Abstract
  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 (PT) and Due ...  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

Neutrosophic sets and their variants
Single-valued neutrosophic uncertain linguistic set based on multi-input relationship and semantic transformation

Sulima Ahmed Mohammed Zubair

Volume 4, Issue 4 , October 2023, , Pages 257-270

https://doi.org/10.22105/jfea.2023.423474.1319

Abstract
  This study introduces an approach for Multiple Attribute Decision-Making (MADM) that deals with the complexity of Single-Valued Neutrosophic Uncertain Linguistic Variables (SVNULVs). This method is engineered to grasp the interconnectedness of multiple inputs and to meet the diverse requirements for ...  Read More

Neutrosophic sets and their variants
An application of neutrosophic logic in the confirmatory data analysis of the satisfaction with life scale

Volkan Duran; Selcuk Topal; Florentin Smarandache

Volume 2, Issue 3 , September 2021, , Pages 262-282

https://doi.org/10.22105/jfea.2021.280497.1100

Abstract
  The main concept of neutrosophy is that any idea has not only a certain degree of truth but also a degree of falsity and indeterminacy in its own right. Although there are many applications of neutrosophy in different disciplines, the incorporation of its logic in education and psychology is rather scarce ...  Read More

Linguistic term sets and their variants
Prioritisation of GPM activities from lean-agile-resilience perspective using fuzzy analytic hierarchy process

Somaieh Alavi; Masoomeh Zeinalnezhad; Emad Mousavi

Volume 3, Issue 3 , July 2022, , Pages 263-278

https://doi.org/10.22105/jfea.2022.329797.1202

Abstract
  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

Intuitionistic fuzzy sets and their variants
(α,β)-CUT of intuitionistic fuzzy normed ideals

Nour Abed Alhaleem; Abd Ghafur Ahmad

Volume 4, Issue 4 , October 2023, , Pages 271-280

https://doi.org/10.22105/jfea.2023.419757.1305

Abstract
  In this paper, the (α,β)-level sets where α and β are elements in the interval [0,1] is introduced. Several related properties for (α,β)-cut of intuitionistic fuzzy normed ideals in a normed ring (NR) will be studied and proven. Further, for any two normed rings NR,NR^' ...  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

Intuitionistic fuzzy sets and their variants
A study on fundamentals of refined intuitionistic fuzzy set with some properties

Atiqe Ur Rahman; Muhammad Rayees Ahmad; Muhammad Saeed; Muhammad Ahsan; Muhammad Arshad; Muhammad Ihsan

Volume 1, Issue 4 , December 2020, , Pages 279-292

https://doi.org/10.22105/jfea.2020.261946.1067

Abstract
  Zadeh conceptualized the theory of fuzzy set to provide a tool for the basis of the theory of possibility. Atanassov extended this theory with the introduction of intuitionistic fuzzy set. Smarandache introduced the concept of refined intuitionistic fuzzy set by further subdivision of membership and ...  Read More

Fuzzy sets and their variants
Fuzzy simple linear regression using Gaussian membership functions minimization problem

Besma Belhadj

Volume 3, Issue 4 , October 2022, , Pages 279-289

https://doi.org/10.22105/jfea.2022.345298.1222

Abstract
  Under the additional assumption that the errors are normally distributed, the Ordinary Least Squares (OLS) method is the maximum likelihood estimator. In this paper, we propose, for a simple regression, an estimation method alternative to the OLS method based on a so-called Gaussian membership function, ...  Read More

Neutrosophic sets and their variants
Enhancing decision accuracy in dematel using bonferroni mean aggregation under pythagorean neutrosophic environment

Jamiatun Nadwa Ismail; Zahari Rodzi; Hazwani Hashim; Nor Hashimah Sulaiman; Faisal Al-Sharqi; Ashraf Al-Quran; Abd Ghafur Ahmad

Volume 4, Issue 4 , October 2023, , Pages 281-298

https://doi.org/10.22105/jfea.2023.422582.1318

Abstract
  DEMATEL serves as a tool for addressing multi-criteria decision-making problems, primarily by identifying critical factors that exert the most significant influence on a specific system. To enhance its capabilities in handling contextual decision problems, DEMATEL has been further developed through integration ...  Read More

Neutrosophic sets and their variants
Quadripartitioned neutrosophic pythagorean lie subalgebra

R. Radha; A. Stanis Arul Mary

Volume 2, Issue 3 , September 2021, , Pages 283-296

https://doi.org/10.22105/jfea.2021.293069.1157

Abstract
  A Quadripartitioned Neutrosophic Pythagorean (QNP) set is a powerful general format framework that generalizes the concept of Quadripartitioned Neutrosophic Sets and Neutrosophic Pythagorean Sets. In this paper, we apply the notion of quadripartitioned Neutrosophic Pythagorean sets to Lie algebras. We ...  Read More