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محل انتشار: سومین کنفرانس سیستم های تصمیم گیری هوشمند
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 512
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شناسه ملی سند علمی:
IDS03_033
تاریخ نمایه سازی: 31 اردیبهشت 1398
چکیده مقاله:
Data Envelopment Analysis (DEA) is a nonparametric approach for the efficiency evaluation and comparison of decision-making units (DMUs). Although there have been a multitude of studies on single-stage DEA models with undesirable input-outputs, twostage DEA with undesirable variables is still an under-researched subject. Considering the importance of efficiency evaluation of fuzzy two-stage DMUs, this paper presents aFuzzy Two-Stage Data Envelopment Analysis (FTSDEA) model based on the expected value and the credibility theory. Given the use of expected value concept in the objective function and constraints of the proposed model, the FTSDEA model is transformed into its deterministic program equivalent based on the assumption that all data are independent triangular fuzzy numbers. The resulting deterministic programming model isthen used to determine the efficiency of fuzzy two-stage DMUs with undesirable variables. In the end, the performance of the proposed model is illustrated with an example
کلیدواژه ها:
نویسندگان
azizollah Nosrat
Department of Mathematics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Masoud Sanei
Department of Mathematics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Ali Payan
Department of Mathematics, Zahedan Branch, Islamic Azad University, Zahedan, Iran
Farhad Hosseinzadeh Lotfi
Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran