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Tree-Based Index Overlay in Hybrid Peer-to-Peer Systems

Keywords: tree-based index overlay,keyword search,fault-tolerance,performance
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Abstract:

Hybrid Peer-to-Peer(P2P) systems that construct overlay networks structured among superpeers have great potential in that they can give the benefits such as scalability,search speed and network traffic,taking advantages of superpeer-based and the structured P2P systems.In this article,we enhance keyword search in hybrid P2P systems by constructing a tree-based index overlay among directory nodes that maintain indices,according to the load and popularity of a keyword.The mathematical analysis shows that the ...

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