Efficient search technique for agent-based P2P information retrieval

  • Authors:
  • Byungryong Kim;Kichang Kim

  • Affiliations:
  • Department of Computer and Science Engineering, Inha University, Incheon, Korea;School of Information and Communication Engineering, Inha University, Incheon, Korea

  • Venue:
  • AIS-ADM'07 Proceedings of the 2nd international conference on Autonomous intelligent systems: agents and data mining
  • Year:
  • 2007

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Abstract

There have been many studies on the design of P2P systems for effective keyword search. This paper proposes and tests technique to reduce network traffic due to many inverted lists forwarded in carrying out query containing multi-keywords in DHT base structured p2p network. Many of inverted lists, forwarded inter-medium, are discarded regardless of search result. This paper proposes Distance and Smart-bloom filter to diminish those unrelated inverted lists. Distance can correctly distinguish document not containing a certain keyword. Smart-bloom filter with low false positive rate can sort out document with a high chance of including certain keyword among inverted lists selected by distance. Ultimately large amount of unrelated inverted lists can be diminished. The performance of Distance and Smart-bloom filter was tested through simulation and the traffic was decreased by 67%.