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P2P数据管理
引用本文:余敏,李战怀,张龙波.P2P数据管理[J].软件学报,2006,17(8):1717-1730.
作者姓名:余敏  李战怀  张龙波
作者单位:西北工业大学,计算机学院,陕西,西安,710072
摘    要:P2P(peer-to-peer)技术是未来重构分布式体系结构的关键技术,拥有广阔的应用前景.P2P系统的大多数问题都可归结为数据放置和检索问题,因此,P2P数据管理成为数据库领域活跃的研究课题.当前,P2P数据管理主要有信息检索、数据库查询和连续查询3个子领域,取得了许多研究成果.在介绍P2P技术的优点后,指出了P2P数据管理研究的目标.然后针对上述3个方面,论述P2P数据管理研究的现状,着重讨论了P2P数据库查询的索引构造策略、语义异构的解决方法、查询语义、查询处理策略、查询类型和查询优化技术.通过比较,指出了现状与目标的差距,提出了需要进一步研究的问题.

关 键 词:索引  语义调和  查询语义  复杂查询处理  查询优化
收稿时间:2005-05-27
修稿时间:3/9/2006 12:00:00 AM

P2P Data Management
YU Min,LI Zhan-Huai and ZHANG Long-Bo.P2P Data Management[J].Journal of Software,2006,17(8):1717-1730.
Authors:YU Min  LI Zhan-Huai and ZHANG Long-Bo
Abstract:P2P (peer-to-peer) is the key technology of reconstructing the future distributed architecture and has a good application perspective. As the issues in P2P systems mostly come down to data placement and retrieval, P2P data management has recently become an active topic in database community. In this paper, the advantages of P2P systems are first described. Then the goals of P2P data management researches are presented. Thirdly, research of P2P data management is described from three facets, i.e. P2P information retrieval, P2P database-style queries and P2P continuous queries. Particularly, the index construction methods, semantic coordination, query semantics, query processing strategies, types of queries supported, and query optimization of P2P database-style queries are discussed in detail. Finally, the issues to be further studied are proposed.
Keywords:P2P(peer-to-peer)
本文献已被 CNKI 维普 万方数据 等数据库收录!
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