Agent community based peer-to-peer information retrieval

Tsunenori Mine, Daisuke Matsuno, Makoto Amamiya

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper proposes an agent community based information retrieval method, which 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 related to a user query, an agent uses 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 retrieved documents, where the queries were sent by the agent itself. The latter is a list of pairs of a query and sender agents and shows "who sent what query to the agent". This is useful to find a new information source. Making use of the Q/S AH is expected to cause 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 to perform a search. As an agent receives more queries, then more links to new knowledge are achieved. From this behavior, a "give and take"(or positive feedback) effect for agents seems to emerge. We implemented this method with Multi-Agents Kodama which has been developed in our laboratory, and conducted preliminary experiments to test the hypothesis. The empirical results showed that the method was much more efficient than a naive method employing 'broadcast' techniques only to look up a target agent.

Original languageEnglish
Pages (from-to)421-428
Number of pages8
JournalTransactions of the Japanese Society for Artificial Intelligence
Volume19
Issue number5
DOIs
Publication statusPublished - Dec 1 2004

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Information retrieval
Collaborative filtering
Communication
Feedback

All Science Journal Classification (ASJC) codes

  • Software
  • Artificial Intelligence

Cite this

Agent community based peer-to-peer information retrieval. / Mine, Tsunenori; Matsuno, Daisuke; Amamiya, Makoto.

In: Transactions of the Japanese Society for Artificial Intelligence, Vol. 19, No. 5, 01.12.2004, p. 421-428.

Research output: Contribution to journalArticle

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