A p2p architecture for multimedia content retrieval

  • Authors:
  • E. Ardizzone;L. Gatani;M. La Cascia;G. Lo Re;M. Ortolani

  • Affiliations:
  • Dip. di Ingegneria Informatica, Università di Palermo, Palermo, Italy;Dip. di Ingegneria Informatica, Università di Palermo, Palermo, Italy;Dip. di Ingegneria Informatica, Università di Palermo, Palermo, Italy;Dip. di Ingegneria Informatica, Università di Palermo, Palermo, Italy;Dip. di Ingegneria Informatica, Università di Palermo, Palermo, Italy

  • Venue:
  • MMM'07 Proceedings of the 13th international conference on Multimedia Modeling - Volume Part I
  • Year:
  • 2007

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Abstract

The retrieval facilities of most Peer-to-Peer (P2P) systems are limited to queries based on unique identifiers or small sets of keywords. This approach can be highly labor-intensive and inconsistent. In this paper we investigate a scenario where a huge amount of multimedia resources are shared in a P2P network, by means of efficient content-based image and video retrieval functionalities. The challenge in such systems is to limit the number of sent messages, maximizing the usefulness of each peer contacted in the query process. We achieve this goal by the adoption of a novel algorithm for routing user queries. The proposed approach exploits compact representations of multimedia resources shared by each peer, in order to dynamically adapt the network topology to peer interests, on the basis of query interactions among users.