1. A New Method for Ranking Efficient DMUs Based on TOPSIS and Virtual DMUs

F. Hosseinzadeh Lotfi; M. Rostamy mal khalifeh; M. Heydari Alvar

Volume 1, Issue 1 , Spring 2012, , Pages 1-9

Abstract
  In this paper, a method for ranking efficient DMUs based on TOPSIS has been proposed. The difference between the distance of the center of gravity of all efficient DMUs to the ideal point and the anti-ideal point after and before deleting efficient DMUs one by one is the criteria of ranking efficient ...  Read More

2. Customer Involvement in Innovation Process Based on Open Innovation Concepts

P. Moghaddam; M.J. Tarokh

Volume 1, Issue 2 , Summer 2012, , Pages 1-9

Abstract
  In recent decade, firms showing an increasing interest in involving customers, suppliers, other partners and even competitors in innovation process. With current interest in collaboration, partnership, outsourcing and growth in communication facilities, open innovation has gained more importance. Today, ...  Read More

3. A Novel Discrete Electromagnetism-Like for Fuzzy Open Shop Scheduling Problem with Parallel Machines to Minimize Makespan

A. Jafari; P. Chiniforooshan; F. Mousavinejad; Sh. Shahparvari

Volume 1, Issue 3 , Autumn 2012, , Pages 1-25

Abstract
  In this paper, we consider the fuzzy open shop scheduling problem with parallel machines in each working stage where processing times are vague and are represented by fuzzy numbers. An open shop scheduling problem with parallel machines in each working stage under this condition is close to the real ...  Read More

4. The Impact of Total Quality Management on Organizational Innovation

H. Zandhessami; A. Jalili

Volume 2, Issue 1 , Winter 2013, , Pages 1-11

Abstract
  Many organizations are facing competitive challenges due to the rapid pace of technological change. Management theorists and practitioners alike have called for more creativity and innovation in product lines, management practices and production processes. On one hand, Total quality management (TQM) ...  Read More

5. Collaborative Information System for Managing the Supply Chain: Architecture Based on a Multi Agent System

W. Dachry; B. Aghezzaf; B. Bensassi

Volume 2, Issue 2 , Spring 2013, , Pages 1-16

Abstract
  Faced with new constraints of their environment, industries are forced to join together in collective entities and collaborate with their partners. These companies have realized the importance of collaboration between companies and have begun to adopt new patterns of behavior to improve their productivity, ...  Read More

6. Fuzzy Big-M Method for Solving Fuzzy Linear Programs with Trapezoidal Fuzzy Numbers

A. Hatami; H. Kazemipoor

Volume 2, Issue 3 , Summer 2013, , Pages 1-9

Abstract
  The fuzzy primal simplex method [15] and the fuzzy dual simplex method [17] have been proposed to solve a kind of fuzzy linear programming (FLP) problems involving symmetric trapezoidal fuzzy numbers. The fuzzy simplex method starts with a primal fuzzy basic feasible solution (FBFS) for FLP problem and ...  Read More

7. A Novel Genetic Algorithm Based Method for Building Accurate and Comprehensible Churn Prediction Models

H. Abbasimehr; S. Alizadeh

Volume 2, Issue 4 , Autumn 2013, , Pages 1-14

Abstract
  Customer churn has become a critical problem for all companies in particular for those that are operating in service-based industries such as telecommunication industry. Data mining techniques have been used for constructing churn prediction models. Past research in churn prediction context have mainly ...  Read More

8. An Interdiction Median Model for Hierarchical Capacitated Facilities

A. Forghani; F. Dehghanian

Volume 3, Issue 1 , Spring 2014, , Pages 1-10

Abstract
  In this paper a partial interdiction problem on a capacitated hierarchical system is studied. We consider an attacker who can interdict facilities at different levels and each interdiction level causes a specified reduction in the capacity of a facility depending upon its service level in the hierarchy. ...  Read More

9. A Robust Stochastic Programming Approach for Blood Collection and Distribution Network Design

B. Zahiri; M. Mousazadeh; A. Bozorgi-Amiri

Volume 3, Issue 2 , Spring 2014, , Pages 1-11

Abstract
  Blood supply chain network design isanessentialpart of the total blood management systems.In this paper, a mixed integer non-linear programming (MINLP) model for the concerned problem is developed. Optimizing the facility location and flows between each echelon of the considered supply chain is our main ...  Read More

10. A Method for Evaluating Project Management Standards, Based on EFQM Criteria, Using FTOPSIS Method

H. Golpira

Volume 3, Issue 3 , Summer 2014, , Pages 1-12

Abstract
  In this paper, the fuzzy technique of order performance by similarity to ideal solution (FTOPSIS) is employed to evaluate some well-known project management standards (PMSs) based on the criteria introduced by European foundation for quality management model (EFQM) to have a new framework to compare ...  Read More

11. A Novel Genetic Algorithm for a Flow Shop Scheduling Problem with Fuzzy Processing Time

N. Shahsavari pour; M.H. Abolhasani Ashkezari; H. Sheikhi; H. Mohammadi Andargoli; H. Abolhasani Ashkezari

Volume 3, Issue 4 , Autumn 2014, , Pages 1-12

Abstract
  Various procedures, methods, constraints and objectives are studied in a flow shop problem during the past decades. In order to adapt the problem to the reality form, its parameters are considered as a fuzzy model. In this problem, we consider the processing time as the trapezoidal fuzzy numbers. The ...  Read More

Fuzzy optimization
12. Organizational Performance Evaluation Considering Human Capital Management Approach by Fuzzy-DEA: A Case Study

M. M. Tavakoli; B. Molavi; H. Shirouyehzad

Volume 6, Issue 1 , Winter 2017, , Pages 1-16

http://dx.doi.org/10.22105/riej.2017.48022

Abstract
  In recent years, researchers in their studies considered human capital as one of the most important capitals of every organization and even some of them placed it beyond this definition and introduced it as the unique factor of creating the competitive advantage in the organization. Due to the importance ...  Read More

Decision analysis and methods
13. Decision making in best player selection: An integrated approach with AHP and Extended TOPSIS methods based on WeFA Freamwork in MAGDM problems

B. Nikjo; J. Rezaeian; N. Javadian

Volume 4, 1(4) , Autumn 2015, , Pages 1-14

http://dx.doi.org/10.22105/riej.2017.49166

Abstract
  The Problem of selecting the best player among other good ones is an important issue in the world of sport. Player selection is a big challenge in all types of clubs, involving multiple criteria that should be evaluated simultaneously. Therefore, an appropriate decision approach for player's selection ...  Read More

Supply chain management
14. A Two-Phase Approach for Supply Chain Network Design: A Real-World Case Study from Automotive Industry

S. Tunali; G. Oztuzcu

Volume 7, Issue 1 , Spring 2018, , Pages 1-18

http://dx.doi.org/10.22105/riej.2018.103354.1029

Abstract
  Effective design and management of Supply Chain Networks (SCN) support the production and delivery of products at low cost, high quality, high variety, and short lead times. In this study, a SCN is designed for an automotive company by integrating various approaches. The study has been carried out in ...  Read More

Operations Research
15. Multi-objective linear mathematical programming for solving U-shaped robotic assembly line balancing

M. Rabbani; A. H. Khezri; H. Farrokhi-Asl; S. Aghamohamadi-Bosjin

Volume 8, Issue 1 , Spring 2019, , Pages 1-16

http://dx.doi.org/10.22105/riej.2019.160247.1067

Abstract
  In recent years, robots have been an eminent solution for manufacturers to facilitate their process and focus on a variety of their products. As the importance of robot usages, our paper focuses on the robotics assembly line. In this paper, we have considered the cycle time, robot operational costs, ...  Read More

Computational Intelligence
16. Factual power loss reduction by augmented monkey optimization algorithm

L. Kanagasabai

Volume 9, Issue 1 , Winter 2020, , Pages 1-12

http://dx.doi.org/10.22105/riej.2020.214459.1112

Abstract
  This paper presents Augmented Monkey Optimization Algorithm (AMOA) applied to solve optimal reactive power problem. Communal behaviour of monkeys has been utilized to model the algorithm. Normally, group monkeys assess the distance from the source to food for foraging behaviour. Local leader renews its ...  Read More

Facility location, layout, design, and materials handling
17. A simulated annealing optimization algorithm for equal and un-equal area construction site layout problem

N. Moradi; Sh. Shadrokh

Volume 8, Issue 2 , Spring 2019, , Pages 89-104

http://dx.doi.org/10.22105/riej.2019.169867.1073

Abstract
  Construction Site Layout Planning (CSLP) is an important problem because of its impact on time, cost, productivity, and safety of the projects. In this paper, CSLP is formulated by the Quadratic Assignment Problem (QAP). At first, two case studies including equal and un-equal area facilities are solved ...  Read More

Case studies in industry and services
18. Fuzzy Goal Programming for Linear Facility Location-Allocation in a Supply Chain; The Case of Steel Industry

S. M. Arabzad; M. Ghorbani; M. J. Ranjbar

Volume 6, Issue 2 , Spring 2017, , Pages 90-105

http://dx.doi.org/10.22105/riej.2017.49157

Abstract
  This paper presents a mathematical model for a facility location-allocation problem in order to design an integrated supply chain. We consider a supply chain including multiple suppliers, multiple products, multiple plants, multiple transportation alternatives and multiple customer zones. The problem ...  Read More

Machine Learning
19. Detection of pedestrian and different types of vehicles using image processing

H. Herunde; A. Singh; H. Deshpande; P. Shetty

Volume 9, Issue 2 , Spring 2020, , Pages 99-113

http://dx.doi.org/10.22105/riej.2020.228212.1131

Abstract
  Nowadays, the control of the traffic in the urban roads and in the highway has been a big challenge as the number of increase in the auto mobiles. So to overcome this problem we use the detection and tracking the vehicles using the traffic surveillance system. We can manage and control the traffic more ...  Read More

Other
20. Fixed point theorems of LW-type Lipschitz cyclic mappings in complete B-metric-like spaces

Sh. Weng; Y. Zhang; D. P. Wu

Volume 7, Issue 2 , Summer 2018, , Pages 136-146

http://dx.doi.org/10.22105/riej.2018.143285.1051

Abstract
  The research of Fixed Point Theorems (FPTs) plays an important role in nonlinear analysis. It is of great theoretical significance and profound application value to study general abstract theory in a B-Metric-Like Space (BMLS). So, it is an important topic to study the Fixed Point Theory (FPT) in a BMLS. ...  Read More

Engineering Optimization
21. Determination of Optimum Smoothing Constant of Single Exponential Smoothing Method: A Case Study

C. L. Karmaker

Volume 6, Issue 3 , Autumn 2017, , Pages 184-192

http://dx.doi.org/10.22105/riej.2017.49603

Abstract
  Exponential smoothing is a sophisticated forecasting method that works based on previous forecast plus a percentage of the forecast error. A key issue of this technique is the proper choice of exponential smoothing constant. In order to minimize forecasting errors, choosing an appropriate value of smoothing ...  Read More

22. An optimization model for aggregate production planning and control: a genetic algorithm approach

S. M. Ahmed; T. K. Biswas; C. K. Nundy

Volume 8, Issue 3 , Summer 2019, , Pages 203-224

http://dx.doi.org/10.22105/riej.2019.192936.1090

Abstract
  In this paper, an optimization model for aggregate planning of multi-product and multi-period production system has been formulated. Due to the involvement of too many stakeholders as well as uncertainties, the aggregate production planning sometimes becomes extremely complex in dealing with all relevant ...  Read More

Other
23. Multi-objective sequence dependent setup times hybrid flowshop scheduling: A literature review

F. Ghassemi Tari; M. Rezapour Niari

Volume 7, Issue 3 , Autumn 2018, , Pages 254-306

http://dx.doi.org/10.22105/riej.2018.145136.1057

Abstract
  Multi-criteria sequence dependent setup times scheduling problems exist almost everywhere in real modern manufacturing world environments. Among them, Sequence Dependent Setup Times-Multi-Objective Hybrid Flowshop Scheduling Problem (SDST-MOHFSP) has been an intensifying attention of researchers and ...  Read More

Operations Research
24. A Taghuchi based Multi Objective Time-Cost Constrained Scheduling for Resource Availability Cost Problem: A Case Study

M. Rabbani; S. Aghamohamadi; H. Farrokhi-Asl; M. Alavi mofrad

Volume 6, Issue 4 , Autumn 2017, , Pages 269-282

http://dx.doi.org/10.22105/riej.2017.96349.1008

Abstract
  In this paper, a new multi-objective time-cost constrained resource availability cost problem is proposed. The mathematical model is aimed to minimize resource availability cost by considering net present value of resource prices in order to evaluate the economic aspects of project to maximize the quality ...  Read More

Engineering Optimization
25. Integrated and periodic relief logistics planning for reaction phase in uncertainty condition and model solving by PSO algorithm

B. Ejlali; S. F. Bagheri; Kh. Ghaziyani

Volume 8, Issue 4 , Autumn 2019, , Pages 294-311

http://dx.doi.org/10.22105/riej.2020.219060.1120

Abstract
  Disaster relief logistics is considered to be one of the major activities in disaster management. This research studies response phase of the disaster management cycle. To do so, a multi-purpose integrated model for a three-level relief cycle logistics is provided under an uncertainty condition and on ...  Read More