Computer Science ›› 2015, Vol. 42 ›› Issue (11): 274-278.doi: 10.11896/j.issn.1002-137X.2015.11.056

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Research of Ranking Method Based on Improved Possible Degree Dominance Relation

ZHANG Qi-wen, WANG Xue-qin and ZHUANG Xin-lei   

  • Online:2018-11-14 Published:2018-11-14

Abstract: The dominance relation is an important method of solving the multi-attribute decision problem and resear-ching the incomplete interval-valued information systems.According to the research of the ranking methods in the incomplete interval valued information system,we proposed a ranking method of improved possible degree dominance relation to solve the problem that too many attributes maybe result in the ranking failure.This new ranking method combines the interval-valued dominance relation with the possible degree,improves the weakness of the definition of classic dominance relation and defines the average comprehensive dominance degree.Finally,compared with other ranking methods such as ∝-β dominance relation and tolerance dominance relation in specific cases,this ranking method of improved possible degree dominance relation can not only solve the problem in the incomplete interval-valued information systems,but also make the ranking results more reasonable and effective.

Key words: Interval-valued information systems,Dominance relation,Multi-attribute decision,Incomplete information systems,Possible degree

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