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VLDB
1999
ACM
174views Database» more  VLDB 1999»
10 years 5 months ago
Extending Practical Pre-Aggregation in On-Line Analytical Processing
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 ...
DOLAP
2003
ACM
10 years 6 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exempli´Čües 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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