Design and implementation of agent community based peer-to-peer information retrieval method

Tsunenori Mine, Daisuke Matsuno, Akihiro Kogo, Makoto Amamiya

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Citations (Scopus)

Abstract

This paper presents an agent community based peer-to-peer information retrieval method called ACP2P method[16] and discusses the experimental results of the method. The ACP2P method uses agent communities to manage and look up information related to users. An agent works as a delegate of its user and searches for information that the user wants by communicating with other agents. The communication between agents is carried out in a peer-to-peer computing architecture. In order to retrieve information relevant to a user query, an agent uses a content file, which consists of retrieved documents and two histories: a query/retrieved document history(Q/RDH) and a query/sender agent history(Q/SAH). The former is a list of pairs of a query and the address of an agent that returned documents relevant to the query. The latter is a list of pairs of a query and the address of a sender agent and shows "who sent what query to the agent". This is useful for finding a new information source. Making use of Q/SAH is expected to have a collaborative filtering effect, which gradually creates virtual agent communities, where agents with the same interests stay together. Our hypothesis is that a virtual agent community reduces communication loads necessary to perform a search. As an agent receives more queries, then more links to new knowledge are acquired. From this behavior, a "give and take"(or positive feedback) effect for agents seems to emerge. We implemented this method with Multi-Agent Kodama, and conducted experiments to test the hypothesis. The experimental results showed that the method employing two histories was much more efficient than a naive method employing 'multicast' techniques only to look up a target agent. Further, making use of Q/SAH facilitates bidirectional communications between agents and thus creates virtual agent communities.

Original languageEnglish
Title of host publicationCooperative Information Agents VIII - 8th International Workshop, CIA 2004
EditorsMatthias Klusch, Sascha Ossowski, Vipul Kashyap, Rainer Unland
PublisherSpringer Verlag
Pages31-46
Number of pages16
ISBN (Print)3540231706
Publication statusPublished - Jan 1 2004
Event8th International Workshop on Cooperative Information Agents, CIA 2004 - Erfurt, Germany
Duration: Sep 27 2004Sep 29 2004

Publication series

NameLecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science)
Volume3191
ISSN (Print)0302-9743

Other

Other8th International Workshop on Cooperative Information Agents, CIA 2004
CountryGermany
CityErfurt
Period9/27/049/29/04

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

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  • Cite this

    Mine, T., Matsuno, D., Kogo, A., & Amamiya, M. (2004). Design and implementation of agent community based peer-to-peer information retrieval method. In M. Klusch, S. Ossowski, V. Kashyap, & R. Unland (Eds.), Cooperative Information Agents VIII - 8th International Workshop, CIA 2004 (pp. 31-46). (Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science); Vol. 3191). Springer Verlag.