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evidence-theory
相关语句
  相似匹配句对
     On the Admissibility of E-evidence
     电子证据可采论
短句来源
     On Electronic Evidence
     略论电子证据
短句来源
     On Hypnotic Evidence
     论催眠证据
短句来源
     EVIDENCE-BASED MEDICINE
     循证医学
     Approximation algorithm of evidence theory
     证据理论的近似算法
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Plausible inference is one of the main research issues of knowledge enginee- ring.Many plausible reasoning formalisms have been employed in a variety of expert systems at present.Among these,the theory of evidence was intro- duced into knowledge engineering in early 1980s.Rearcheres have paid great attention to it.This peper presents a plausible reasoning algorithm on the basis of evidence theory,which can give full play to the advanteges of this theory.

似然推理是知识工程研究的主要课题之一。目前已有计多似然推理体系被应用在各种专家系统中。证据理论是八十年代被引入到知识工程研究中的似然推理理论,现己受到高度重视。本文提出一种基于证据理论的似然推理算法,它可以充分发挥证据理论的优点。

Using evidence theory method in dealing with inexact and uncertain ka- owledge expression and reasoning in domxain expert system,can overcome the defaults by using probabitiy theory or certainty factor methods,be able to mimic human domain expert's inferenci(?)g and decition making characteristics more effectively.But this theory has not been practiced really in expext system until today.This paper will make a applicable analysis ordeal ing with uncertain reasoning by using of evidence theory in MEDDIA,which...

Using evidence theory method in dealing with inexact and uncertain ka- owledge expression and reasoning in domxain expert system,can overcome the defaults by using probabitiy theory or certainty factor methods,be able to mimic human domain expert's inferenci(?)g and decition making characteristics more effectively.But this theory has not been practiced really in expext system until today.This paper will make a applicable analysis ordeal ing with uncertain reasoning by using of evidence theory in MEDDIA,which we are building,the mechnical defaults diagnosis expert system,show some insight relationship with certainty factor model and probability theory methods,exhibit concrete steps or methods of applging this theory for future researchi(?)g.

在领域专家系统不确定性知识表达及推理问题上,证据理论方法能克服纯概率理论方法和信任模型方法的缺点和不足,并能较强地模拟人类领域专家的推理、判断特征。但至今,证据理论尚未真正在专家系统中应用实现。本文对机械故障诊断专家系统 MEDDIA 应用证据理论来处理不精确性推理问题作了可行性分析,讨论了其与信任模型之间的内在联系,并就应用该理论具体工作步骤作了说明。

Based on fuzzy relation inference language FRIL, this paper introduces the support-pair theory used to deal with a variety of uncertainties, and investigates a general principle of implementing fuzzy logic programming language on the basis of multiplication model. Based oofn Zadeh's fuzzy set theory and Shafer's evidence theory, the uncertainties of fact clause and rule clause are represented by support-pairs. This kind general language is a query one similar to PROLOG, which is used to represent knowledge and...

Based on fuzzy relation inference language FRIL, this paper introduces the support-pair theory used to deal with a variety of uncertainties, and investigates a general principle of implementing fuzzy logic programming language on the basis of multiplication model. Based oofn Zadeh's fuzzy set theory and Shafer's evidence theory, the uncertainties of fact clause and rule clause are represented by support-pairs. This kind general language is a query one similar to PROLOG, which is used to represent knowledge and to reason with uncertainties in expert systems.

本文以模糊关系推理语言FRIL为背景,介绍了用于处理各种不确定性的支持对理论(support-pair theory),探讨了基于积模型(multiplication model)的一般的模糊逻辑程序设计语言的基本设计原理。这类通用的语言是一种类似于PROLOG的查询类型语言。基于Zadch的模糊集理论和Shafer的证据理论,其事实和规则语句的不确定性用支持对来度量。这类通用语言为在专家系统中表达知识和进行不确定推理提供了一个强有力的新工具。

 
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