Text-Based Content Search and Retrieval in Ad-hoc P2P Communities
Revised Papers from the NETWORKING 2002 Workshops on Web Engineering and Peer-to-Peer Computing
Content-based retrieval in hybrid peer-to-peer networks
CIKM '03 Proceedings of the twelfth international conference on Information and knowledge management
An architecture for information retrieval over semi-collaborating Peer-to-Peer networks
Proceedings of the 2004 ACM symposium on Applied computing
Searching the peer-to-peer networks: the community and their queries
Journal of the American Society for Information Science and Technology - Special issue: Part II: Information seeking research
The robustness of content-based search in hierarchical peer to peer networks
Proceedings of the thirteenth ACM international conference on Information and knowledge management
A suite of testbeds for the realistic evaluation of peer-to-peer information retrieval systems
ECIR'05 Proceedings of the 27th European conference on Advances in Information Retrieval Research
A study of a weighting scheme for information retrieval in hierarchical peer-to-peer networks
ECIR'07 Proceedings of the 29th European conference on IR research
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A weighing scheme to rank ultra-peers, peers and documents is evaluated in this paper. The scheme is recursive because its components are instances of the same scheme accordingly to a hierarchy which models ultra-peers, peers and documents as informative resources. The experimental results bear evidence of the effectiveness of ultra-peer and peer ranking, i.e. visiting top-ranked ultra-peers and peers drives to relevant documents. The best results indicate that about two thirds of the relevant documents that can be retrieved by a centralized system can be obtained by exploring about one sixth of the network.