Computational Intelligence
1. FRONTAL AND NON-FRONTAL FACE DETECTION USING DEEP NEURAL NETWORKS

Nitin Prasad; Bhawesh Rajpal; Kaushal Kishore Rao Mangalore; Ravi Shastri; Nikhitha Pradeep

Articles in Press, Accepted Manuscript, Available Online from 09 January 2021

http://dx.doi.org/10.22105/riej.2021.264744.1177

Abstract
  Face recognition has always been one of the most searched and popular applications of object detection, starting from the early seventies. Facial recognition is used for access control, authentication, fraud detection, surveillance, and by individuals to unlock their devices. The less intrusive and robustness ...  Read More

Engineering Optimization
2. Data Envelopment Analysis for Estimate Efficiency and Ranking operating rooms: A case study

Sh Ghasemi; Amir Aghsami; Masoud Rabbani

Articles in Press, Accepted Manuscript, Available Online from 15 January 2021

http://dx.doi.org/10.22105/riej.2021.247705.1143

Abstract
  Data envelopment analysis (DEA) is one of the non-parametric methods for evaluating each unit's efficiency. Limited resources in the healthcare system are the main reason for measuring the efficiency of hospitals. Because operating rooms (OR) are the most vital part of any hospital, we determine ...  Read More

Inventory, logistics, and transportation
3. Customers' Satisfaction with the Level of Service in Murtala Muhammad International Airport (MMIA), Lagos, Nigeria

Udoka Godwin Chike; Mobolaji S. Stephens

Articles in Press, Accepted Manuscript, Available Online from 18 January 2021

http://dx.doi.org/10.22105/riej.2021.263588.1174

Abstract
  The aim of this study is to examine customers’ satisfaction with the level of service in Murtala Muhammed International Airport (MMIA), Lagos, Nigeria; so as to identify the service attributes requiring managerial attention in the airport. The study evaluated twenty eight service attributes in ...  Read More

Industrial Management
4. Implemwntation of Six Sigma DMAIC Methodology for Increasing the Competitiveness of SMEs in Ethiopia

Abdella Yimam Ali

Articles in Press, Accepted Manuscript, Available Online from 18 January 2021

http://dx.doi.org/10.22105/riej.2021.266497.1183

Abstract
  Six Sigma has gained wide acceptance as an improvement methodology to enhance the organization competitiveness in the market. For SMEs building a competitive advantage is a difficult task. Changes in the economic environment affect the way such entities perceive factors which could help them not only ...  Read More

Scheduling
5. Applying Flexible Job Shop Scheduling in Patients Management to Optimize Processing Time in Hospitals.

Nagib MD. Sarfaraj; Md. Limonur Rahman Lingkon; Nusrath Zahan

Articles in Press, Accepted Manuscript, Available Online from 10 February 2021

http://dx.doi.org/10.22105/riej.2021.260145.1158

Abstract
  The continuous growth of the population causes an increased demand for our healthcare services. Insufficient hospitals face challenges to serve the patient within a preferable duration. Long lines in front of counters increase the processing time of a patient. From the entry to the completion, plenty ...  Read More

Inventory, logistics, and transportation
6. A Conceptual Framework of Green Smart IoT-based Supply Chain Management

Hamed Nozari; M. Fallah; Agnieszka Szmelter-Jarosz

Articles in Press, Accepted Manuscript, Available Online from 25 February 2021

http://dx.doi.org/10.22105/riej.2021.274859.1189

Abstract
  The green smart supply chain is a phenomenon that has emerged as a result of the development of sustainable and smart business and information technology trends. Sustainable and green supply chains are an innovative phenomenon that uses information technology to improve the quality of activities in operating ...  Read More

Industrial Management
7. Presentation and implementation multi-objective mathematical models to balance the assembly line

Elham Shadkam; Fateme Ghavidel

Articles in Press, Accepted Manuscript, Available Online from 25 February 2021

http://dx.doi.org/10.22105/riej.2021.269298.1184

Abstract
  The use of assembly lines is one of the important approaches in mass production of industrial products. Imbalance of assembly lines increases cycle time and idle times, resulting in reduced production rates, line efficiency, and increased system costs, which ultimately lead to low productivity. A hybrid ...  Read More

Decision analysis and methods
8. Greedy Algorithm for Solving Student Allocation Problem in Internship Program: A Case Study

Abdella Yimam Ali

Articles in Press, Accepted Manuscript, Available Online from 06 April 2021

http://dx.doi.org/10.22105/riej.2021.266125.1179

Abstract
  This paper presented greedy algorithm for solving student allocation problem that has arisen in internship program. In internship program, engineering students stay one semester in industries which are located across the country and teachers visit students once/twice for supervision during the program. ...  Read More