Dimension Hierarchies

38

VLDB
1999
ACM

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Extending Practical Pre-Aggregation in On-Line Analytical Processing

14 years 4 months ago

On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...

Torben Bach Pedersen, Christian S. Jensen, Curtis ...

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44

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DOLAP
2003
ACM

109views Information Technology» more DOLAP 2003»

Hierarchical dwarfs for the rollup cube

14 years 5 months ago

Download www.cs.umd.edu

The data cube operator exempliﬁes two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...

Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...

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105

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ICDE
2001
IEEE

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Rewriting OLAP Queries Using Materialized Views and Dimension Hierarchies in Data Warehouses

15 years 1 months ago

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Chang-Sup Park, Myoung-Ho Kim, Yoon-Joon Lee

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