Sciweavers

Share
2 search results - page 1 / 1
» Hierarchical dwarfs for the rollup cube
Sort
View
DOLAP
2003
ACM
10 years 6 months ago
Hierarchical dwarfs for the rollup cube
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...
VLDB
2001
ACM
86views Database» more  VLDB 2001»
10 years 6 months ago
Intelligent Rollups in Multidimensional OLAP Data
In this paper we propose a new operator for advanced exploration of large multidimensional databases. The proposed operator can automatically generalize from a specific problem c...
Gayatri Sathe, Sunita Sarawagi
books