NDLI: A Multi-dimensional Reputation System Combined with Trust and Incentive Mechanisms in P2P File Sharing Systems

Content Provider	IEEE Xplore Digital Library
Author	Mao Yang Qinyuan Feng Yafei Dai Zheng Zhang
Copyright Year	2007
Description	Author affiliation: Peking Univ., Beijing (Mao Yang; Qinyuan Feng; Yafei Dai)
Abstract	Free-riders and fake files are two important problems in P2P file sharing systems. Previous works have always used incentive mechanisms and trust mechanisms to address them respectively. In real systems however, a trust mechanism without incentive would face lack of users' enthusiasm and thus cause sparse relationship of direct trust while an incentive mechanism without trust could induce users' bad behavior. A novel reputation system is proposed in this paper that combines trust and incentive mechanisms. It uses files' vote and retention time, download volume and users' rank to construct a more extensive direct trust relationship and calculates a user's reputation with a multi-trust algorithm. It can identify fake files and provide service differentiation with reputation. Implementation and some security consideration in DHT are also discussed.
Starting Page	29
Ending Page	29
File Size	496266
Page Count	1
File Format	PDF
ISBN	0769528384
ISSN	15450678
DOI	10.1109/ICDCSW.2007.13
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-22
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peer to peer computing Voting Security Pollution Asia Protection Electronic commerce Filters Motion pictures Hybrid power systems p2p trust incentive reputation
Content Type	Text
Resource Type	Article

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