Download Agents and Peer-to-Peer Computing: 4th International by Thanasis G. Papaioannou, George D. Stamoulis (auth.), Zoran PDF

By Thanasis G. Papaioannou, George D. Stamoulis (auth.), Zoran Despotovic, Sam Joseph, Claudio Sartori (eds.)

This booklet constitutes the completely refereed post-proceedings of the 4th overseas Workshop on brokers and Peer-to-Peer Computing, AP2PC 2005, held in Utrecht, Netherlands, on July twenty fifth, 2005, within the context of the 4th overseas Joint convention on self sufficient brokers and Multi-Agent platforms, AAMAS 2005.

The thirteen revised complete papers provided have been rigorously reviewed and chosen from 27 submissions; they're absolutely revised to include reviewers' reviews and discussions on the workshop. the quantity is geared up in topical sections on belief and acceptance, P2P infrastructure, semantic infrastructure, in addition to neighborhood and cellular applications.

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Read or Download Agents and Peer-to-Peer Computing: 4th International Workshop, AP2PC 2005, Utrecht, The Netherlands, July 25, 2005. Revised Papers PDF

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Additional info for Agents and Peer-to-Peer Computing: 4th International Workshop, AP2PC 2005, Utrecht, The Netherlands, July 25, 2005. Revised Papers

Example text

This is also applied in the case of using local storage. If a peer wants more objective reputation about another peer, it must ask many peers. This will generate a lot of messages in P2P systems. Whenever reputation information is required an aggregating process must be performed, which produces the overhead of handling many messages. Also, if a peer is not on-line when the reputation information is needed, the information of the peer is not reflected. Thus in this paper we propose to use global storage where others can easily access reputation information and it is still available when an evaluator is not on-line.

A robust reputation system for P2P and mobile ad-hoc networks. In: Second Workshop on the Economics of Peer-to-Peer Systems. (2004) 2. : A probabilistic approach to predict peers’ performance in P2P networks. In: 8th Intl Workshop on Cooperative Information Agents (CIA’04). (2004) 3. : The EigenTrust algorithm for reputation management in P2P networks. In: WWW2003. (2003) 4. : Normative reputation and the costs of compliance. Journal of Artificial Societies and Social Simulation 1 (1998) 5. : A case for evidence-aware distributed reputation systems.

The first replication root is the original responsible peer that is determined by the hash function. Assume that the system has m-bit identifier space. The second replication root is determined by adding 2m−1 to the binary value of first replication root’s identifier. Since Chord is based on ring topology, the second replication root becomes the symmetric position of the first. A peer that wants to retrieve data computes the identifiers of two replication roots and chooses the nearest one. If the first replication root is near the requesting peer, it sends queries to the first replication root and its k neighbors independently and receives k responses.

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