Interval Valued Vague Decision System and an Approach for Its Rule Generation

MA Zhi-feng; XING Han-cheng; ZHENG Xiao-mei

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Interval Valued Vague Decision System and an Approach for Its Rule Generation

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- Interval Valued Vague Decision System and an Approach for Its Rule Generation
- Acta Electronica Sinica Vol. 29, Issue 5, Pages: 585-589(2001)
- 作者机构：
  
  1. 东南大学计算机科学与工程系,南京,210096
  2. 南京航空航天大学计算机科学与工程系,南京,210016
  3. 东南大学计算机科学与工程系南京,210096
  4. 南京航空航天大学计算机科学与工程系南京,210016
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP18
- Published Online：25 May 2001，
  
  Published：2001
- 稿件说明：
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MA Zhi-feng, XING Han-cheng, ZHENG Xiao-mei. Interval Valued Vague Decision System and an Approach for Its Rule Generation[J]. Acta Electronica Sinica, 2001, 29(5): 585-589.
DOI：

MA Zhi-feng, XING Han-cheng, ZHENG Xiao-mei. Interval Valued Vague Decision System and an Approach for Its Rule Generation[J]. Acta Electronica Sinica, 2001, 29(5): 585-589. DOI：

摘要

区间值(

i-v

)模糊集合和Vague集是不精确知识表达的两种新理论.它们已被广泛地应用于决策系统中对于不确定决策数据的描述.本文将两者有机地结合

给出了

i-v

Vague集的有关概念

并详细地讨论了其性质.最后

结合一个决策系统实例

利用文中所提出的包含与相交因子

分析了规则生成策略.经过与传统Rough集方法的对比

发现两者所得结论是一致的

但该方法对于不确定性问题的处理却表现得更为灵活.

Abstract

Interval valued (

i-v

) fuzzy sets and vague sets are two new theories representing inexact knowledge.They have been widely applied to describe the uncertain data in decision systems.In this paper

the notions of

i-v

vague sets are first introduced by putting the two theories together.Then

the properties of

i-v

vague sets are discussed in detail.Finally

by a decision system and the operators of containment and intersection defined on it

we analyse the strategies of rule generation.In comparison with the method of using rough set theory

the two results are proved to be consistent.However

our new method behaves much flexibly in representing uncertainty.

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