By Arturo Crespo, Hector Garcia-Molina (auth.), Gianluca Moro, Sonia Bergamaschi, Karl Aberer (eds.)

ISBN-10: 3540297553

ISBN-13: 9783540297550

Peer-to-peer (P2P) computing is attracting huge, immense media recognition, spurred by means of the recognition of dossier sharing structures comparable to Napster, Gnutella, and Morpheus. The friends are self sustaining, or as a few name them, first class voters. P2P networks are rising as a brand new disbursed computing paradigm for his or her strength to harness the computing strength of the hosts composing the community and make their under-utilized assets to be had to others. even supposing researchers engaged on allotted computing, multiagent structures, databases and networks were utilizing related suggestions for a very long time, it's only lately that papers encouraged by way of the present P2P paradigm have all started showing in top quality meetings and workshops. learn in agent structures particularly seems to be so much suitable simply because, in view that their inception, multiagent structures have continuously been considered networks of co-workers. The multiagent paradigm can therefore be superimposed at the P2P structure, the place brokers embrace the outline of the duty environments, the decision-support functions, the collective habit, and the interplay protocols of every peer. The emphasis during this context on decentralization, consumer autonomy, ease and velocity of development that provides P2P its benefits additionally ends up in major power difficulties. such a lot well known between those difficulties are coordination, the facility of an agent to make judgements by itself activities within the context of actions of alternative brokers, and scalability, the price of the P2P platforms lies in how good they scale alongside a number of dimensions, together with complexity, heterogeneity of fellow workers, robustness, site visitors redistribution, and so on.

This quantity provides the totally revised papers awarded on the 3rd overseas Workshop on brokers and Peer-to-Peer Computing, AP2PC 2004, held in big apple urban on July 19, 2004 within the context of the 3rd overseas Joint convention on independent brokers and Multi-Agent platforms (AAMAS 2004). the amount is geared up in topical sections on P2P networks and seek functionality, emergent groups and social behaviours, semantic integration, cellular P2P platforms, adaptive structures, agent-based source discovery, in addition to belief and reputation.

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Additional resources for Agents and Peer-to-Peer Computing: Third International Workshop, AP2PC 2004, New York, NY, USA, July 19, 2004, Revised and Invited Papers

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This is used for debugging purposes and to map out the distribution of the ID space to each node. NameAlive queue name returns the set of nodes that are replicating the name binding for queue name. This set is not usually the same returned by the Alive command. Peek queue name returns the first element from the queue queue name without removing it. Pop queue name removes and returns the first element from the queue. Push queue name “value” pushes an element onto the queue queue name consisting of the string “value”.

The root allots a group whose size is less than M to the new member and informs the allotted group of the addition. If no such group is found the root creates a new group in a balanced manner and informs the new member of the group.

The root group of the tree holds information about the number of groups in the tree and the number of members in each group. This information is used to decide the potential group to which a new member joining the network should belong. The hierarchy in the tree is established by a parent-child relationship between a peer of the parent node and one or more peers in the child nodes. Currently, the architecture has been evaluated for binary search trees but can be generalized for other n-ary trees as well.

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Agents and Peer-to-Peer Computing: Third International Workshop, AP2PC 2004, New York, NY, USA, July 19, 2004, Revised and Invited Papers by Arturo Crespo, Hector Garcia-Molina (auth.), Gianluca Moro, Sonia Bergamaschi, Karl Aberer (eds.)


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