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Abstract
In group decision-making, owing to differences that may result from perspectives such as experience and knowledge, the evaluations about the same decision problem provided by different crowd participants may have great differences. Those with huge differences in evaluations from most participants are termed outliers in this chapter. Reaching a decision consensus that satisfies most people is very difficult. In order to solve this problem, many researchers have conducted consensus research. To avoid this problem, this chapter proposes an expert opinions aggregation method based on outlier detection. First, the decision maker evaluates the decision problem based on the Pythagoras Fuzzy Sets(PFSs) from the positive and the negative views. Second, the outliers of expert opinions are detected and then aggregated to obtain the overall decision result. The effectiveness of the proposed method is finally demonstrated using a case study.
Original language | English |
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Title of host publication | Fuzzy Logic |
Subtitle of host publication | Recent Applications and Developments |
Editors | Jenny Carter, Francisco Chiclana, Arjab Singh Khuman, Tianhua Chen |
Place of Publication | Cham |
Publisher | Springer Nature Switzerland AG |
Chapter | 7 |
Pages | 95-105 |
Number of pages | 11 |
Edition | 1 |
ISBN (Electronic) | 9783030664749 |
ISBN (Print) | 9783030664732, 9783030664763 |
DOIs | |
Publication status | Published - 5 May 2021 |
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Springer Nature Switzerland AG (Publisher)
Jennifer Carter (Editor), Francisco Chiclana (Editor), Arjab Singh Khuman (Editor) & Tianhua Chen (Editor)
Oct 2019 → Oct 2020Activity: Publication peer-review and editorial work types › Editorial work