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Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

A Hybrid Approach Of Intuitionistic Fuzzy Set Theory And Dematel Method To Prioritize Selection Criteria Of Bank Branches Locations, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Sajjad Allahi, Ali Rastegari Oct 2015

A Hybrid Approach Of Intuitionistic Fuzzy Set Theory And Dematel Method To Prioritize Selection Criteria Of Bank Branches Locations, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Sajjad Allahi, Ali Rastegari

Amin Vafadarnikjoo

Optimally locating new bank branches is a strategic decision in banking industry in order to stay competitive. The importance of this issue is primarily due to the fact that locating branches in appropriate sites is one of the main factors in absorbing and satisfying bank customers. This results in a core benefit for banks, particularly in a vibrant competition. In addition, without a set of well-chosen selection criteria and their prominence, the goal of locating suitable sites for bank branches would not be efficiently achieved. In this research, six most widely used criteria for bank branch location consideration are obtained …


A Servqual Model Approach Integrated With Fuzzy Ahp And Fuzzy Topsis Methodologies To Rank Life Insurance Firms, Mahdi Saeedpoor, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Ali Rastegari Oct 2015

A Servqual Model Approach Integrated With Fuzzy Ahp And Fuzzy Topsis Methodologies To Rank Life Insurance Firms, Mahdi Saeedpoor, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Ali Rastegari

Amin Vafadarnikjoo

Ranking life insurance firms, particularly regarding customer-oriented criteria, has become a significant research priority of many insurance research centers. This is mainly due to the effective role of life insurance in improving the capital market and the role of service quality in customer satisfaction. This issue has remained one of the major topics associated with insurance industry which has not been sufficiently explored in the literature. This study aims at prioritizing insurance firms which hold the majority proportion of Iran's total life insurance market. Life insurers are assessed and ranked with regard to 5 criteria of customer service quality in …


A Meta-Heuristic Approach To Locate Optimal Switch Locations In Cellular Mobile Networks, Amin Vafadarnikjoo, Seyyed Mohammad Ali Khatami Firouzabadi, Mohammadsadegh Mobin, Afshan Roshani Oct 2015

A Meta-Heuristic Approach To Locate Optimal Switch Locations In Cellular Mobile Networks, Amin Vafadarnikjoo, Seyyed Mohammad Ali Khatami Firouzabadi, Mohammadsadegh Mobin, Afshan Roshani

Amin Vafadarnikjoo

With increasing usage of cellular phones, providing optimum communication service systems becomes a strategic decision to increase subscriber satisfaction. In order to respond to this growing demand it is essential to have a proper design of mobile networks by optimally locating facilities such as Base Transceiver Stations (BTS), switches, etc. In this study, a kind of honeybee-inspired algorithm called Artificial Bee Colony (ABC) algorithm is utilized to solve the problem of assigning cells to switches in the Personal Communication Services (PCS) networks. The model is mathematically developed as a binary non-linear problem with the objective of minimizing cost, which includes …


An Integrated Gray-Fuzzy Cause And Effect Approach To Determine The Most Significant Categories Of Project Risks, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Christian Salmon, Nikbakhsh Javadian Jun 2015

An Integrated Gray-Fuzzy Cause And Effect Approach To Determine The Most Significant Categories Of Project Risks, Amin Vafadarnikjoo, Mohammadsadegh Mobin, Christian Salmon, Nikbakhsh Javadian

Amin Vafadarnikjoo

Identifying critical risks in projects has become a core step in project risk management process; however, the nature of this step can be complex and unstructured, suggesting a benefit in research towards prioritizing project risks on the basis of a cogent method. This paper presents a Gray Decision Making Trial and Evaluation Laboratory (GDEMATEL) method for prioritizing sources of project risk within a multi-criteria decision making (MCDM) framework. The framework categorizes sources of risk via the Project Management Institutes’ (PMI) Risk Breakdown Structure (RBS). For this study, project expert judgments and preferences are the source of knowledge about project risk. …


An Integrated Ahp-Gis-Mclp Method To Locate Bank Branches, Sajjad Allahi, Mohammadsadegh Mobin, Amin Vafadarnikjoo, Christian Salmon Jun 2015

An Integrated Ahp-Gis-Mclp Method To Locate Bank Branches, Sajjad Allahi, Mohammadsadegh Mobin, Amin Vafadarnikjoo, Christian Salmon

Amin Vafadarnikjoo

One of the most crucial decision making processes in banking is optimally locating new branches. This issue is highly important especially for private banks due to vibrant competition, limited budgets and high customer expectations. This study’s objective is to provide an integrated model for selecting optimal site location using available data sources and well accepted decision models, specifically Analytic Hierarchy Process (AHP), Geographic Information System (GIS) and Maximal Covering Location Problem (MCLP).As a case study, we applied the proposed method for branch location of a private bank in the city of Rasht, Iran. The process identified the most commonly used …