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GROUP: A Gossip Based Building Community Protocol

  • Ranieri Baraglia
  • Patrizio Dazzi
  • Matteo Mordacchini
  • Laura Ricci
  • Luca Alessi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6869)

Abstract

The detection of communities of peers characterized by similar interests is currently a challenging research area. To ease the diffusion of relevant data to interested peers, similarity based overlays define links between similar peers by exploiting a similarity function. However, existing solutions neither give a clear definition of peer communities nor define a clear strategy to partition the peers into communities. As a consequence, the spread of the information cannot be confined within a well defined region of an overlay. This paper proposes a distributed protocol for the detection of communities in a P2P network. Our approach is based on the definition of a distributed voting algorithm where each peer chooses the more similar peers among those in a limited neighbourhood range. The identifier of the most representative peer is exploited to identify a community. The paper shows the effectiveness of our approach by presenting a set of experimental results.

Keywords

Network Size Similarity Degree Actual Representative Community Detection Algorithm Similar Node 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Ranieri Baraglia
    • 1
  • Patrizio Dazzi
    • 1
  • Matteo Mordacchini
    • 2
  • Laura Ricci
    • 3
  • Luca Alessi
    • 3
  1. 1.HPC LabISTI-CNRItaly
  2. 2.Ubiquitous Internet Lab, IIT-CNRItaly
  3. 3.Dept. Computer ScienceUniversity of PisaItaly

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