Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/39647
Title: Efficient distributed reputation scheme for Peer-to-Peer systems
Authors: Liau, C.Y. 
Zhou, X.
Bressan, S. 
Tan, K.-L. 
Issue Date: 2003
Source: Liau, C.Y.,Zhou, X.,Bressan, S.,Tan, K.-L. (2003). Efficient distributed reputation scheme for Peer-to-Peer systems. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2713 : 54-63. ScholarBank@NUS Repository.
Abstract: Reputation systems for Peer-to-Peer (P2P) networks are relatively new. Most of the existing systems are centrally controlled hence raising scalability issues and single points of failure. In this paper we present a completely decentralized reputation scheme for P2P networks. The system is based on a certificate, RCert, which is a document that resides on a participating P2P node, which consists of information ratings collected from previous transactions with other peers. Central to the scheme is the concept of Public Key Infrastructure (PKI), upon on which much of the mechanism is based. In order to facilitate updates of RCert certificates, we present two protocols, RCertP and RCertPX. RCertP does not prevent the node from using older-copies of RCert. An extended version, RCertPX, solves this problem by keeping track of the latest timestamp. © Springer-Verlag Berlin Heidelberg 2003.
Source Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
URI: http://scholarbank.nus.edu.sg/handle/10635/39647
ISSN: 03029743
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