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Content based full text search is a challenging problem in Peer to Peer (P2P) systems. A distributed P2P overlay network that supports semantic based content searches, called S-Peer, is proposed. Peers in this overlay are grouped based on the semantics of their data, and self organized as a semantic overlay network. To reduce overheads incurred by peer joining and leaving in a high dimensional overlay network, peers are constructed as a one dimensional semantic space that facilitates efficient routing. The results show the effectiveness, efficiency and scalability of the proposed system. 相似文献
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