2 search results - page 1 / 1 » Hierarchical dwarfs for the rollup cube |
DOLAP
2003
ACM
13 years 9 months ago
2003
ACM
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...
VLDB
2001
ACM
13 years 8 months ago
2001
ACM
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...