东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2008, Vol. 29 ›› Issue (11): 1556-1559+1580.DOI: -

• 论著 • 上一篇    下一篇

Vague ALC(D):一种基于vague集的模糊描述逻辑

王星;马宗民;吕艳辉;王海龙;   

  1. 东北大学信息科学与工程学院;
  • 收稿日期:2013-06-22 修回日期:2013-06-22 出版日期:2008-11-15 发布日期:2013-06-22
  • 通讯作者: Wang, X.
  • 作者简介:-
  • 基金资助:
    教育部新世纪优秀人才支持计划项目(NCET-05-0288)

Vague ALC(D): A fuzzy description logic based on vague sets

Wang, Xing (1); Ma, Zong-Min (1); Lu, Yan-Hui (1); Wang, Hai-Long (1)   

  1. (1) School of Information Science and Engineering, Northeastern University, Shenyang 110004, China
  • Received:2013-06-22 Revised:2013-06-22 Online:2008-11-15 Published:2013-06-22
  • Contact: Wang, X.
  • About author:-
  • Supported by:
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摘要： 针对普通的模糊描述逻辑使用单个隶属度无法准确表示不精确知识,而且描述逻辑是在抽象层次上描述知识,对实体的数值信息缺乏强有力的表达手段的问题,提出了一种基于vague集并结合具体域的模糊描述逻辑——vague ALC(D).介绍了用隶属度区间来表示模糊知识的vague集,给出了vague ALC(D)的语法和语义,指出了它的推理问题,同时也给出了相应的tableaux算法.vague ALC(D)能够更准确地表示和推理含有数值信息的模糊知识,增强了模糊描述逻辑的表达能力和推理能力.

关键词: 语义Web, 描述逻辑, vague集, 具体域, vagueALC(D), tableaux算法

Abstract: The ordinary fuzzy description logic with a single membership degree is unable to represent imprecise knowledge but describes knowledge at an abstract level, thus lacking powerful means to express the numerical information on physical substances. A fuzzy description logic based on vague sets and combined with concrete domain, named vague ALC(D), is therefore proposed, where the vague sets are employed to represent fuzzy knowledge by membership degree intervals. The syntax, semantics and inference rules of vague ALC(D) are given, as well as the relevant tableaux algorithm that is developed for reasoning in the vague ALC(D). The vague ALC(D) enables the representation and inference of fuzzy knowledge including numerical information to be more accurate, thus enhancing its expressability and reasonability in fuzzy description logic.

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