Fuzzy sets and their variants
Machine efficiency measurement in industry 4.0 using fuzzy data envelopment analysis

Irem Ucal Sari; Umut Ak

Volume 3, Issue 2 , June 2022, , Pages 177-191

https://doi.org/10.22105/jfea.2022.326644.1199

Abstract
  Industry 4.0 implementations are competitive tools of recent production systems in which complex computerized systems are employed. Efficiency of these systems is generally measured by Data Envelopment Analysis (DEA) under certainty. However, the required data in modelling the system involve high degree ...  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

Other
Efficiency study with undesirable inputs and outputs in DEA

Abbasali Monzeli; Behrouz Daneshian; Gasem Tohidi; Masud Sanei; Shabnam Razavian

Volume 1, Issue 1 , March 2020, , Pages 73-80

https://doi.org/10.22105/jfea.2020.248018.1005

Abstract
  Data Envelopment Analysis (DEA) is one of the well-known methods for calculating efficiency, determining efficient boundaries and evaluating efficiency that is used in specific input and output conditions. Traditional models of DEA do not try to reduce undesirable outputs and increase undesirable inputs. ...  Read More