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	Trust-based probabilistic search with the view model of peer-to-peer networks
	Zhuge, Hai; Chen, Xue; Sun, Xiaoping
刊名	Concurrency and computation-practice & experience
	2006-12-15
卷号	18期号:14页码:1839-1855
关键词	P2p Search Probability Trust Power-law View
ISSN号	1532-0626
DOI	10.1002/cpe.1033
通讯作者	Zhuge, hai(zhuge@ict.ac.cn)
英文摘要	The fundamental challenge confronting peer-to-peer (p2p) resource-sharing networks is to provide efficient and scalable search services in a large-scale, open and dynamic environment. however, current search mechanisms are not efficient or scalable enough with the expansion of the systems. to improve search efficiency, this paper proposes the trust-based probabilistic search mechanism, called the preferential walk (p-walk). every peer adjusts its neighbors' rank continuously according to their performance in previous searches. the basic principle of the p-walk is that neighbors with higher ranks in the question domain have higher probabilities of being queried. extensive simulation results show that the p-walk can significantly improve the success rate of the query and the response time whilst also effectively reducing traffic volume and controlling malicious behavior. furthermore, we measure the rank distributions of the peers and find their power-law-like trends based on a gnutella-like network. implications are drawn from the analysis of the rank distributions. the p-walk mechanism works effectively in a p2p view model that provides appropriate views of the p2p network for queries of different types. copyright (c) 2006 john wiley & sons, ltd.
WOS关键词	SYSTEMS
WOS研究方向	Computer Science
WOS类目	Computer Science, Software Engineering ; Computer Science, Theory & Methods
语种	英语
出版者	WILEY-BLACKWELL
WOS记录号	WOS:000242113300010
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2378974
专题	中国科学院大学
通讯作者	Zhuge, Hai
作者单位	1.Chinese Acad Sci, Key Lab Intelligent Informat Proc, Inst Comp Technol, China Knowledge Grid Res Grp, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Zhuge, Hai,Chen, Xue,Sun, Xiaoping. Trust-based probabilistic search with the view model of peer-to-peer networks[J]. Concurrency and computation-practice & experience,2006,18(14):1839-1855.
APA	Zhuge, Hai,Chen, Xue,&Sun, Xiaoping.(2006).Trust-based probabilistic search with the view model of peer-to-peer networks.Concurrency and computation-practice & experience,18(14),1839-1855.
MLA	Zhuge, Hai,et al."Trust-based probabilistic search with the view model of peer-to-peer networks".Concurrency and computation-practice & experience 18.14(2006):1839-1855.

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