海量数据仓库中基于层次的cube存储结构

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摘要采用层次划分技术，提出了动态环境下基于层次的cube存储结构HC_Tree。它不但可以有效地支持数据仓库上cube的查询与更新，支持cube上任一维的动态扩展，而且具有最小空间代价。

作者高宏李建中王日昆

出处《高技术通讯》 EI CAS CSCD 2004年第7期53-57,共5页 Chinese High Technology Letters

关键词海量数据仓库 cube存储结构联机分析处理区域查询层次划分

参考文献10

1Codd E F,et al.Providing OLAP(on-line analytical processing) to user-analysts:an IT mandate.IBM Research Lab,Technical Report,1993
2Gray J,Bosworth A,Layman A,et al.Data cube:a relational aggregation operator generating group-by,cross-tab and sub-total.In:Proc of the 12th ICDE Conf IEEE Press,1996
3Ho C T,Agrawal R,Megiddo R,et al.Range queries in OLAP data cubes.In:Proceedings of the Intl ACM SIGMOD Confference.Tucson,Arizona,1997.73
4Geffner S,Agrawal D,Abbadi A,et al.Relative prefix sums:an efficient approach for querying dynamic OLAP data cubes.In:Proceedings of the 15th Intl Conference on Data Engineering.Sydey,Australia,1999.328
5Chan C Y,Ioannidis Y E.Hierarchical cubes for range-sum queries.In:Proceedings of the 25th VLDB Conference.Edinburgh,Scotland,UK,1999.675
6Lee S Y,Ling T W,Li H G.Hierarchical compact cube for range-max queries.In:Proc of the 26th VLDB Conf.Cairo,Egypt,2000.232
7Li H G,Ling T W,Lee S Y,et al.Range sum queries in dynamic OLAP data cubes.In:The 3rd International Symposium on Cooperative Database Systems for Adranced Applications(CODAS'01).Beijing,china,2001.12
8Chun S J,Chung C W,Lee J H,et al.Dynamic update cube for range-sum queries.In:Proc of 27th VLDB Conf.Roma,Italy,2001.521
9Geffner S,Agrawal D,El Abbadi A.The dynamic data cube.In:Proc of Int'l Conference on Extending Database Technology.Konstanz,Germany,2000.53
10Liang W,Wang H,Orlowska M E.Data and Knowledge Engineering,2001,34(1):21

高技术通讯

2004年第7期

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