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

查看全文 作　　者：InSung [1]Kang;SungJin [2]Choi;Member, [1]IEEE;SoonYoung [3]Jung;SangKeun [1]Lee

机构地区：[1]Computer Science and Engineering Department, Korea University, Seoul, 136-713, Korea;[2]Corporate Center, KT (Korea Telecom), Seoul, 137-792, Korea;[3]Computer Science Education Department, Korea University, Seoul, 136-701, Korea

出　　处：《Journal of Computer Science & Technology》索引2010年第25卷第2期,共17页

基　　金：supported by the Korea Research Foundation Grant funded by the Korean Government(MOEHRD) under Grant No.KRF-2007-314-D00223. 摘　　要：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 keyword search based on semi-structured P2P overlay can improve the search performance,reducing the message traffic and maintenance costs. 关键词：对等系统覆盖 P2P系统关键字搜索杂交搜索速度半结构化关键词搜索

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

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