计算机科学 ›› 2007, Vol. 34 ›› Issue (5): 52-56.

• 计算机网络与信息安全 • 上一篇    下一篇

一种基于语义相似的P2P搜索机制

  

  • 出版日期:2018-11-16 发布日期:2018-11-16

  • Online:2018-11-16 Published:2018-11-16

摘要: 现有P2P网络规模大、动态性高、异构性强,有效的搜索技术一直是P2P系统研究中的核心问题。本文针对无结构P2P网络泛洪搜索机制的盲目性所导致的查询开销大、效率低的问题,提出了一种基于语义相似的P2P搜索机制SRVN,通过积累历史搜索经验获得路由指引信息,帮助搜索结点快速发现与搜索内容最相关的结点,从而提高搜索效率和目标命中率。实验结果显示,使用SRVN搜索机制,有效地提高了Gnutella查询性能。

关键词: P2P 语义路由 虚结点 Gnutella

Abstract: Due to the increasing size of P2P systems and their characteristic of being dynamic and heterogeneous, effective searching techniques have become an important research issue and received much attention recently. On studying the key facts in unstructured P

Key words: Peer-to-Peer, Semantic routing, Virtual node, Gnutella

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