计算机工程与应用 ›› 2008, Vol. 44 ›› Issue (9): 162-164.

• 数据库、信号与信息处理 • 上一篇    下一篇

一种P2P网络环境下的OLAP模式匹配方案

杨科华,魏 莉   

  1. 湖南大学 计算机与通信学院,长沙 410082
  • 收稿日期:2007-11-20 修回日期:2008-02-01 出版日期:2008-03-21 发布日期:2008-03-21
  • 通讯作者: 杨科华

OLAP patten matching method in P2P network

YANG Ke-hua,WEI Li   

  1. School of Computer and Communication,Hunan University,Changsha 410082,China
  • Received:2007-11-20 Revised:2008-02-01 Online:2008-03-21 Published:2008-03-21
  • Contact: YANG Ke-hua

摘要: P2P网络环境下,每个OLAP服务器上都有一套完整的数据解决方案。当OLAP服务器之间进行协同工作时,如何将Data Cube中的模式进行匹配以完成联合OLAP查询成为一个关键问题。在对Data Cube中的维及维层次链进行了定义后,提出了一种维层次链的匹配规则,能较好地优化P2P网络环境下执行联合OLAP查询。

关键词: 联机分析处理, 数据立方体, 点对点网络, 维层次链

Abstract: A peer-to-peer(P2P) OLAP network system consists of OLAP servers which maintaining full autonomy over its own data resources.When data exchange between OLAP servers occurs,how to mapping the pattern of different of data cube in order to execute union OLAP query is become a key issue.This article provides a mapping rule based on Dimension Hierarchical Chain(DHC) which has been defined before.This rule can produce a global optimum execute plan about union OLAP query.

Key words: OLAP, data cube, P2P network, Dimension Hierarchical Chain