173 search results - page 8 / 35 » Range queries in dynamic OLAP data cubes |
BTW
2007
Springer
14 years 1 months ago
2007
Springer
: Analysts interact with OLAP data in a predominantly “drill-down” fashion, i.e. gradually descending from a coarsely grained overview towards the desired level of detail. Anal...
DOLAP
2005
ACM
13 years 9 months ago
2005
ACM
A novel framework for providing probabilistically-bounded approximate answers to non-holistic aggregate range queries in OLAP is presented in this paper. Such a framework allows u...
DEXA
2008
Springer
13 years 9 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
With the rise of XML as a standard for representing business data, XML data warehouses appear as suitable solutions for Web-based decision-support applications. In this context, i...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
We present a novel framework for comprehensive exploration of OLAP data by means of user-defined dynamic hierarchical visualizations. The multidimensional data model behind the OLA...