iCluster: A Self-organizing Overlay Network for P2P Information Retrieval

  • Paraskevi Raftopoulou
  • Euripides G. M. Petrakis
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4956)

Abstract

We present iCluster, a self-organizing peer-to-peer overlay network for supporting full-fledged information retrieval in a dynamic environment. iCluster works by organizing peers sharing common interests into clusters and by exploiting clustering information at query time for achieving low network traffic and high recall. We define the criteria for peer similarity and peer selection, and we present the protocols for organizing the peers into clusters and for searching within the clustered organization of peers. iCluster is evaluated on a realistic peer-to-peer environment using real-world data and queries. The results demonstrate significant performance improvements (in terms of clustering efficiency, communication load and retrieval accuracy) over a state-of-the-art peer-to-peer clustering method. Compared to exhaustive search by flooding, iCluster exchanged a small loss in retrieval accuracy for much less message flow.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Paraskevi Raftopoulou
    • 1
  • Euripides G. M. Petrakis
    • 1
  1. 1.Department of Electronic and Computer EngineeringTechnical University of Crete (TUC)ChaniaGreece

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