Research Paper Computational modelling
Development of a Lean Maturity Assessment Model Using Interval-Valued Spherical Fuzzy AHP Method

Alper Kiraz; Asiye Yücedag Gürel

Articles in Press, Accepted Manuscript, Available Online from 27 December 2023

https://doi.org/10.22105/riej.2023.424690.1403

Abstract
  Continuously adding value to a company’s products and services is inevitable in adapting to this evolving and challenging global market. That is why Lean Philosophy is becoming increasingly important and popular among companies and they are relying more and more on it. It not only assists in increasing ...  Read More

Research Paper Operations Research
Modelling and Optimization of Residential Electricity Load under Stochastic Demand [REVISED]

KIZITO PAUL MUBIRU

Articles in Press, Accepted Manuscript, Available Online from 30 December 2023

https://doi.org/10.22105/riej.2023.422577.1401

Abstract
  The paper considers a modelling framework for a set of households in residential areas; using electricity as a form of energy for domestic consumption. Considering the demand and availability of units for electricity consumption, optimal decisions for electricity load allocation are paramount to sustain ...  Read More

Research Paper Machine Learning
The Joint Policy of Production, Maintenance, and Product Quality in a Multi-Machine Production System by Reinforcement Learning and Agent-based Modeling

Mohammad Reza Nazabadi; Seyed Esmaeil Najafi; Ali Mohaghar; Farzad Movahedi Sobhani

Articles in Press, Accepted Manuscript, Available Online from 31 December 2023

https://doi.org/10.22105/riej.2023.298557.1240

Abstract
  Adopting an integrated production, maintenance, and quality policy in production systems is of great importance due to their interconnected influence. Consequently, investigating these aspects in isolation may yield an infeasible solution. This paper aims to address the joint optimal policy of production, ...  Read More

Research Paper Mathematical modelling
A Mathematical Model of the Location Problem for Central and Secondary Warehouses in the Multi-Level Supply Chain Network of Perishable Products

Seyyed Mostafa Mousavi; MAJID motamedi; Rasoul Karimi

Articles in Press, Accepted Manuscript, Available Online from 30 January 2024

https://doi.org/10.22105/riej.2024.394527.1378

Abstract
  A supply chain is a network that creates and delivers products and services to customers. In this research, the four-level supply chain in the field of food products, including the levels of supplier, customer, and central and secondary warehouses, has been investigated. A mixed integer mathematical ...  Read More

Research Paper Machine Learning
Leveraging Deep Feature Learning for Handwriting Biometric Authentication

Parvaneh Afzali; Abdoreza Rezapour; Ahmad Rezaee Jordehi

Articles in Press, Accepted Manuscript, Available Online from 11 February 2024

https://doi.org/10.22105/riej.2024.432510.1412

Abstract
  The authentication of writers through handwritten text stands as a biometric technique with considerable practical importance in the field of document forensics and literary history. The verification process involves a meticulous examination of the questioned handwriting in comparison to the genuine ...  Read More