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	PrSH: A belief description logic
	Jia, Tao ; Zhao, Wen ; Wang, Lifu
	2007
关键词	MODELING BELIEF DYNAMIC-SYSTEMS
英文摘要	Some research has been done on probabilistic extension of description logics such as P-CLASSIC and P-SHOQ which focus on the statistical information. For example, in those kind of probabilistic DL, we can express such kind of uncertainty that the probability a randomly chosen individual in concept C is also in concept D is 90 percent. This kind of statistical knowledge is certain which means the author of this statement is sure about it. In this paper, we will describe a new kind of probabilistic description logic PrSH which could let user express the uncertain knowledge(i.e. degrees of belief). For example, if the user is not sure about that concept C is subsumed by concept D, he could describe it with PrSH such as the probability that concept C is subsumed by concept D is 90 percent. Furthermore, user could make use of the uncertain knowledge to infer some implicit knowledge by the extension of tableau-algorithm of SH which will be also introduced in this paper.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000247257700004&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Computer Science, Artificial Intelligence; EI; CPCI-S(ISTP); 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/293301]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Jia, Tao,Zhao, Wen,Wang, Lifu. PrSH: A belief description logic. 2007-01-01.

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