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Data Management in Peer-to-Peer Environment: A Perspective of BestPeer
作者姓名:周傲英  钱卫宁  周水庚  凌波  徐林昊  黄维雄  黄铭钧  陈建利
作者单位:[1]DepartmentofComputerScienceandEngineering,FudanUniversity,Shanghai200433,P.R.China [2]DepartmentofComputerScience,NationalUniversityofSingapore,3ScienceDrive2,117543Singapore
基金项目:This work is supported by the National University of Singapore,Infocommunications Development Authority of Singapore under a grant on peer-to-peer computing research
摘    要:Peer-to-Peer (P2P) systems have attracted much attention in academic commu-nity and industry circles due to their promising applications in various domains. This paper presents the authors‘ research efforts on introducing complex query capabilities in a P2P environ-ment consisting of numerous peers with large volume of data. An underlying hybrid P2P computing platform, named BestPeer is described first. The connection among peers within BestPeer is self-configurable through maintaining the nearest neighbor of peers, and the agent techniques employed in the system ensure its capability of providing sophisticated services. The designs of three P2P data management systems which are all based on BestPeer are described in detail. They provide support for information retrieval, query processing and Web services respectively. Advantages and limitations are discussed, while ongoing work is presented. Current systems can provide basic functions for keyword-based search, SQL-like query processing, and Web services querying and discovery. Some further topics on providing fully-fledged data management functionalities for P2P distributed computing systems with security guarantee are also discussed.

关 键 词:对等计算  数据管理  信息检索  Web服务  最佳对等

Data Management in Peer-to-Peer Environment:A Perspective of BestPeer
AoYing Zhou, WeiNing Qian, ShuiGeng Zhou, Bo Ling, LinHao Xu, Siong Ng Wee, Chin Ooi Beng and Kian-Lee Tan.Data Management in Peer-to-Peer Environment: A Perspective of BestPeer[J].Journal of Computer Science and Technology,2003,18(4):0-0.
Authors:AoYing Zhou  WeiNing Qian  ShuiGeng Zhou  Bo Ling  LinHao Xu  Siong Ng Wee  Chin Ooi Beng and Kian-Lee Tan
Affiliation:(1) Department of Computer Science and Engineering, Fudan University, 200433 Shanghai, P.R. China;(2) Department of Computer Science, National University of Singapore, 3 Science Drive 2, 117543, Singapore
Abstract:Peer-to-Peer (P2P) systems have attracted much attention in academic community and industry circles due to their promising applications in various domains. This paper presents the authors' research efforts on introducing complex query capabilities in a P2P environment consisting of numerous peers with large volume of data. An underlying hybrid P2P computing platform, named BestPeer is described first. The connection among peers within BestPeer is self-configurable through maintaining the nearest neighbor of peers, and the agent techniques employed in the system ensure its capability of providing sophisticated services. The designs of three P2P data management systems which are all based on BestPeer are described in detail. They provide support for information retrieval, query processing and Web services respectively. Advantages and limitations are discussed, while ongoing work is presented. Current systems can provide basic functions for keyword-based search, SQL-like query processing, and Web services querying and discovery. Some further topics on providing fully-fledged data management functionalities for P2P distributed computing systems with security guarantee are also discussed.
Keywords:peer-to-peer computing  BestPeer  data management  information retrieval  Web
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