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Toloo M. , A. Zandi and A. Emrouznejad (2015), “Evaluation Efficiency of Large Scale Data Set with Negative Data: An Artificial Neural Networks Approach,” Journal of Supercomputing 71(7): 2397–2411.

Toloo M. , A. Zandi and  A. Emrouznejad (2015), “Evaluation Efficiency of Large Scale Data Set with Negative Data: An Artificial Neural Networks Approach,” Journal of Supercomputing 71(7): 2397–2411.

Data envelopment analysis (DEA) is the most widely used methods for measuring the efficiency and productivity of decision making units (DMUs). The need for huge computer resources in terms of memory and CPU time in DEA is inevitable for a large scale data set especially with negative measures. In recent years, wide ranges of studies have been conducted in the area of artificial neural network (ANN) and DEA combined methods. In this study, a supervised feed-forward neural network is proposed to evaluate the efficiency and productivity of large scale data sets with negative values in contrast to the corresponding DEA method. Results indicate that the proposed network has some computational advantages over the corresponding DEA models; therefore it can be considered as a useful tool for measuring the efficiency of DMUs with (large scale) negative data.

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