Browsing by Author "Saati, S."
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An Application of Fuzzy Numbers Ranking in Performance Analysis
HatamiMarbini, A.; Saati, S.; Makui, A. (Article)Data Envelopment Analysis (DEA) is a mathematical optimization technique that measures the relative efficiency of Decision Making Units (DMUs) with multiple inputoutput. In traditional DEA models, the data of different ... 
An application of fuzzy TOPSIS method in an SWOT analysis
HatamiMarbini, A.; Saati, S. (Article)Analysis of strengths, weaknesses, opportunities and threats (SWOT) is a method to formulate the strategy. Although the SWOT analysis successfully provides the key factors of the problem, it has some drawbacks in selecting ... 
A common set of weight approach using an ideal decision making unit in data envelopment analysis
Saati, S.; HatamiMarbini, A.; Agrell, P. J.; Tavana, M. (Article)Data envelopment analysis (DEA) is a common nonparametric frontier analysis method. The multiplier framework of DEA allows flexibility in the selection of endogenous input and output weights of decision making units (DMUs) ... 
A data envelopment analysis model with discretionary and nondiscretionary factors in fuzzy environments
Saati, S.; HatamiMarbini, A.; Tavana, M. (Article)Data envelopment analysis (DEA) is a methodology for measuring the relative efficiencies of a set of decisionmaking units (DMUs) that use multiple inputs to produce multiple outputs. The standard DEA models assume that ... 
Data envelopment analysis with fuzzy parameters: An interactive approach
HatamiMarbini, A.; Saati, S.; Tavana, M. (Article)Data envelopment analysis (DEA) is a methodology for measuring the relative efficiencies of a set of decision making units (DMUs) that use multiple inputs to produce multiple outputs. In the conventional DEA, all the data ... 
Data envelopment analysis with fuzzy parameters: An interactive approach
HatamiMarbini, A.; Saati, S.; Tavana, M. (Book chapter)Data envelopment analysis (DEA) is a methodology for measuring the relative efficiencies of a set of decision making units (DMUs) that use multiple inputs to produce multiple outputs. In the conventional DEA, all the data ... 
Data envelopment analysis: An efficient duo linear programming approach
Saati, S.; HatamiMarbini, A.; Tavana, M. (Article)Data envelopment analysis (DEA) is a powerful mathematical method that utilises linear programming (LP) to determine the relative efficiencies of a set of functionally similar decisionmaking units (DMUs). Evaluating the ... 
Efficiency analysis in twostage structures using fuzzy data envelopment analysis.
HatamiMarbini, A.; Saati, S.; Sajadi, S. M. (Article)Twostage data envelopment analysis (TsDEA) models evaluate the performance of a set of production systems in which each system includes two operational stages. Taking into account the internal structures is commonly found ... 
Efficiency Evaluation in Twostage Data Envelopment Analysis under a Fuzzy Environment: A CommonWeights Approach
HatamiMarbini, A.; Saati, S. (Article)Data envelopment analysis (DEA) has been genuinely known as an impeccable technique for efficiency measurement. In practice, since many production systems such as broadcasting companies, banking and R&D activities include ... 
Efficiency measurement in fuzzy additive data envelopment analysis
HatamiMarbini, A.; Tavana, M.; Emrouznejad, A.; Saati, S. (Article)Performance evaluation in conventional data envelopment analysis (DEA) requires crisp numerical values. However, the observed values of the input and output data in realworld problems are often imprecise or vague. These ... 
An extension of LINMAP method for group decision making under fuzzy environment
HatamiMarbini, A.; Kangi, F.; Saati, S. (Conference)The linear programming technique for multidimensional analysis of preference (LINMAP) as a multiattribute decisionmaking (MADM) technique has a capability of determining the weights of attributes as well as providing a ... 
A fuzzy data envelopment analysis for clustering operating units with imprecise data
Saati, S.; HatamiMarbini, A.; Tavana, M.; Agrell, P. J. (Article)Data envelopment analysis (DEA) is a nonparametric method for measuring the efficiency of peer operating units that employ multiple inputs to produce multiple outputs. Several DEA methods have been proposed for clustering ... 
A fuzzy group linear programming technique for multidimensional analysis of preference
HatamiMarbini, A.; Tavana, M.; Saati, S.; Kangi, F. (Article)Although crisp data are fundamentally indispensable in the conventional linear programming technique for multidimensional analysis of preference (LINMAP), the observed values in the realworld problems are often imprecise ... 
A fuzzy linear programming model with fuzzy parameters and decision variables
Saati, S.; Tavana, M.; HatamiMarbini, A.; Hajiakhondi, E. (Article)Linear programming (LP) is an optimisation technique most widely used for optimal allocation of limited resources amongst competing activities. Precise data are fundamentally indispensable in standard LP problems. However, ... 
Ideal and antiIdeal decision making units: A fuzzy DEA approach
HatamiMarbini, A.; Saati, S.; Makui, A. (Article)In this paper, by introducing two virtual decisionmaking units (DMUs) called ideal DMU (IDMU) and antiideal DMU (ADMU) with fuzzy inputsoutputs, the efficiency evaluation of DMUs are done by fuzzy data envelopment ... 
An idealseeking fuzzy data envelopment analysis framework
HatamiMarbini, A.; Saati, S.; Tavana, M. (Article)Data envelopment analysis (DEA) is a widely used mathematical programming approach for evaluating the relative efficiency of decision making units (DMUs) in organizations. Crisp input and output data are fundamentally ... 
Improving the computational complexity and weights dispersion in fuzzy DEA
Saati, S.; HatamiMarbini, A. (Conference)One of the prominent features of standard and fuzzy data envelopment analysis (DEA) is the representation of each of the participating decision making units (DMUs) in the best possible light. This causes two problems; ... 
Positive and normative use of Fuzzy DEABCC models: A critical view on NATO enlargement
HatamiMarbini, A.; Tavana, M.; Saati, S.; Agrell, P. J. (Article)Data envelopment analysis (DEA) is a widely used mathematical programming approach for comparing the input and output of a set of comparable decisionmaking units (DMUs) by evaluating their relative efficiency. The traditional ... 
A robust optimization approach for imprecise data envelopment analysis
Shokouhi, A. H.; HatamiMarbini, A.; Tavana, M.; Saati, S. (Article)Crisp input and output data are fundamentally indispensable in traditional data envelopment analysis (DEA). However, the input and output data in realworld problems are often imprecise or ambiguous. Some researchers have ... 
Stability of RTS of efficient DMUs in DEA with fuzzy u0 under fuzzy data
HatamiMarbini, A.; Saati, S. (Article)An important property of production functions is the concept return to scale (RTS) as found in the literature. There are two common variations RTS in data envelopment analysis (DEA) used, constant return to scale (CRS) and ...