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題名 | A Fuzzy Risk-Assessment Method Using a TOPSIS Approach Based on Interval-Valued Fuzzy Numbers=利用區間值模糊數於TOPSIS取向之模糊風險分析方法 |
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作者 | 賴虹霖; 陳亭羽; | 書刊名 | 工業工程學刊 |
卷期 | 28:6 2011.09[民100.09] |
頁次 | 頁467-484 |
分類號 | 494.7 |
關鍵詞 | 區間值模糊數; 風險分析; 決策制定; 相似度衡量; 高科技公司; TOPSIS; Interval-valued fuzzy numbers; Risk analysis; Decision making; Similarity measure; High-tech corporation; |
語文 | 英文(English) |
英文摘要 | Because of the importance of reducing risks in a high-tech corporation, decision makers need a useful method to help them find the alternative with the lowest risk from a given set. In particular, in an uncertain and complex situation, making a choice becomes more difficult for decision makers. In this article, we analyzed the risks of a particular decision in linguistic terms and based on interval-valued fuzzy numbers (IVFNs). We also extended a similarity measure in the technique for order preference based on similarity to the ideal solution (TOPSIS) approach by measuring the similarity of each alternative to positive and negative ideal IVFNs. Rather than calculating the distance between the alternatives and the positive/negative ideal solution in the TOPSIS method, we used the similarity measure between IVFNs to replace distance in this approach. Even with the same distance between IVFNs, the measure may have different shapes or directions, which may lead to nonintuitive results. In the proposed method, we used a fixed ideal solution that could simplify the calculations of a similarity measure between IVFNs. We also applied the similarity measure between IVFNs to the decision-making process to increase the ability of the process to account for risks in a variable, complex, and uncertain environment. |
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