GroupLens: an open architecture for collaborative filtering of netnews
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
Pastry: Scalable, Decentralized Object Location, and Routing for Large-Scale Peer-to-Peer Systems
Middleware '01 Proceedings of the IFIP/ACM International Conference on Distributed Systems Platforms Heidelberg
The Eigentrust algorithm for reputation management in P2P networks
WWW '03 Proceedings of the 12th international conference on World Wide Web
Managing and Sharing Servents' Reputations in P2P Systems
IEEE Transactions on Knowledge and Data Engineering
Gossip-Based Computation of Aggregate Information
FOCS '03 Proceedings of the 44th Annual IEEE Symposium on Foundations of Computer Science
Brief announcement: prefix hash tree
Proceedings of the twenty-third annual ACM symposium on Principles of distributed computing
Proceedings of the 10th international conference on Intelligent user interfaces
BATON: a balanced tree structure for peer-to-peer networks
VLDB '05 Proceedings of the 31st international conference on Very large data bases
ATEC '04 Proceedings of the annual conference on USENIX Annual Technical Conference
PeerReview: practical accountability for distributed systems
Proceedings of twenty-first ACM SIGOPS symposium on Operating systems principles
Decentralisation of scorefinder: a framework for credibility management on user-generated contents
PAKDD'10 Proceedings of the 14th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining - Volume Part II
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Peer-to-peer applications are used in sharing User-Generated Content (UGC) on the Internet and there is a significant need for UGC to be analysed for credibility/quality. A number of schemes have been proposed for deriving credibility of content items by analysing users' feedback, mostly using centralised computations and/or semi-decentralised approaches. In this paper, we propose our P2P schema, ScoreTree, that decentralises a relatively complex credibility management algorithm by aggregating distributed evaluations and delivering an estimate of credibility for each interested content item. Our experiments show that our schema compares favourably with existing decentralised approaches including a gossip message based implementation of ScoreFinder, and a widely adopted P2P application called Vuze.