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《山东大学学报(理学版)》 ›› 2020, Vol. 55 ›› Issue (3): 89-97.doi: 10.6040/j.issn.1671-9352.1.2019.187

• • 上一篇    

不完备序信息系统下的局部双量化决策粗糙集研究

林艳丽,刘晓东*   

  1. 大连海事大学理学院, 辽宁 大连 116026
  • 发布日期:2020-03-27
  • 作者简介:林艳丽(1992— ),女,硕士研究生,研究方向为粒计算、数据处理、信息提取. E-mail: linyl@dlmu.edu.cn*通信作者简介:刘晓东(1963— ),男,教授,博士生导师,研究方向为代数环、模糊系统理论及其应用、模糊控制、机器学习、知识发现与表示. E-mail: xdliuros@dlut.edu.cn
  • 基金资助:
    国家自然科学基金资助项目(61803065);中央高校基本科研业务费专项基金资助项目(3132019175,3132019323);辽宁省社会科学规划基金资助项目(L18DGL010)

Research on local double relative quantitative decision-theoretic rough set for incomplete ordered information system

LIN Yan-li, LIU Xiao-dong*   

  1. College of Science, Dalian Maritime University, Dalian 116026, Liaoning, China
  • Published:2020-03-27

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摘要： 针对不完备序信息系统,在双量化粗糙集和局部决策粗糙集的基础上,构建了2种局部双量化决策粗糙集(local double relative quantitative decision-theoretic rough set, LDrq-DTRS)模型,探讨了它们的正域、负域、边界域之间的包含关系,以及它们与局部粗糙集之间的内在联系。最后,通过数据实验比较验证了在不同模型参数关系下以上模型间的相关性质。

关键词: 局部决策粗糙集, 双量化, 特征优势关系, 不完备序信息系统

Abstract: This study focuses on the incomplete order information system based on the double relative quantitative rough set and the local decision-theoretic rough set. Two kinds of local double relative quantitative decision-theoretic rough set(LDrq-DTRS)models are established, and their inclusion relationships in terms of positive, negative and boundary regions are discussed. In addition, the inner relationship between LDrq-DTRS and local rough set is also examined. Finally, the related properties are verified by employing a numerical experiments under different parameters.

Key words: local decision-theoretic rough set, double relative quantitative, characteristic dominance relation, incomplete ordered information system

中图分类号: 

  • TP181
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