Volume 2, Issue 5

 

ارسال های اخیر

  • Congestion measurement in data envelopment analyses under weak disposability of desirable and undesirable outputs in a Two-phase Network 

    Rastgoo, R.؛ Rostami Malkhalifeh, M. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    Congestion is one of the main issues in data envelopment analyses which have particular importance. Recently researches about congestion, whether in economic articles or in Operations Research articles in had grown ...

  • Setup times optimization with considering maintenance scheduling by using nonlinear modeling 

    Zaretalab, A.؛ Shahryari, M.R.؛ Naderi, S. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    The present paper, titled “optimizing the time of preparation, taking into account the timing of   repair and maintenance using non-linear modeling", has been implemented with the aim of designing and presenting a mathematical ...

  • Common Neighborhood Graph 

    Hossein-Zadeh, S.؛ Iranmanesh, A.؛ Hamzeh, A.؛ Hosseinzadeh, M.A. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    Let G be a simple graph with vertex set {v1, v2, … , vn}. The common neighborhood graph of G, denoted by con(G), is a graph ...

  • A new approach based on alpha cuts for solving data envelopment analysis model with fuzzy stochastic inputs and outputs 

    Nasseri, S. H.؛ gholami, O.؛ Fallah Jelodard, M. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    Data Envelopment Analysis (DEA) is a widely used technique for measuring the relative efficiencies of homogenous Decision Making Units (DMUs) with multiple inputs and multiple outputs. These factors may ...

  • Three steps method for portfolio optimization by using Conditional Value at Risk measure 

    Navidi, S.؛ Banihashemi, sh.؛ Sanei, M. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    Comprehensive methods must be used for portfolio optimization. For this purpose, financial data of stock companies, inputs and outputs variable, the risk measure and investor's preferences must be considered. By considering ...

  • Total and Partial efficiency indexes in data envelopment analysis 

    Kordrostami, S.؛ Amirteimoori, A.R (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    Introduction: Data envelopment analysis (DEA) is a data-oriented method for measuring and benchmarking the relative efficiency of peer decision making units (DMUs) with multiple inputs and multiple outputs. ...

  • A DEA approach for investigating the effect of computerized maintenance management system on staff productivity: A case Study 

    Soltani, M.؛ Hadi-Vencheh, A. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    According to the growing trend of IT-based systems, implementation of computerized maintenance management system (CMMS) in Iran's power industry can dramatically help in optimized management of maintenance activities, and ...

  • Efficiency Evaluation by using mixed modeling of Data Envelopment Analysis and Balanced Scorecard- A Case Study in the banking industry 

    Fallah Jelodar, M. (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2016-05-01)
    The first objective in any financial organization is to improve performance, and performance evaluation also is one of the best ways to advance operations in organizations. By utilizing different methods of performance ...