Improving Linguistic Pairwise Comparison Consistency via Linguistic Discrete Regions

Improving Linguistic Pairwise Comparison Consistency via Linguistic Discrete Regions
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通过语言离散区域提高语言成对比较一致性

DOI:
10.1109/tfuzz.2015.2463744
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发表时间:
2016-06
影响因子:
11.9
通讯作者:
Yu Qu
Yu Qu
中科院分区:
计算机科学1区
文献类型:
--
作者:
Ting Liu;Zijiang Yang;Minnan Luo;Yu Qu

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语言成对比较矩阵在决策过程中有着广泛的应用。然而,当考虑多个标准时,矩阵往往给出相互矛盾的结果。尽管进行了深入的研究,但实现这些矩阵的一致性仍然是一项艰巨的任务。本文提出了一种基于语言离散区域的方法来解决这一问题。与现有的方法,需要一个单一的值为每个比较,我们的方法允许一个比较由一个离散的区域与多个语言术语来表达。这样的前端让用户有更多的自由表达自己的意见。在后端,我们提出了一个迭代搜索算法,能够实现近似最优的一致性与离散区域值的比较矩阵。最终结果是单值矩阵,不仅保证近似最优的一致性,但符合评估者的意图,因为我们的方法不像许多现有的方法修改任何语言值。我们已经进行了广泛的评估,我们的实证研究证实,语言离散区域为基础的方法显着提高语言成对比较矩阵的一致性。
Linguistic pairwise comparison matrices are widely used in decision-making procedures. However, the matrices often give conflicting results when there are multiple criteria under consideration. Despite intensive research, achieving consistency of such matrices remains a daunting task. In this paper, a novel approach based on linguistic discrete region is proposed to address the challenge. Unlike existing methods that require a single value for each comparison, our approach allows a comparison to be expressed by a discrete region with multiple linguistic terms. Such front-end gives users more freedom to express their opinions. In the back-end, we propose an iterative searching algorithm that is able to achieve approximate optimal consistency for the comparison matrices with discrete region values. The final results are single-value matrices that not only guarantee approximate optimal consistency but comply with evaluators' intentions a well, as our approach does not modify any linguistic values like many existing methods. We have conducted extensive evaluations, and our empirical study confirms that the linguistic discrete region-based approach significantly improves the consistency of linguistic pairwise comparison matrices.
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