641 search results - page 6 / 129 » Temporal Queries in OLAP |
BDA
2001
15 years 1 months ago
2001
We study KDD (Knowledge Discovery in Databases) processes on OLAP (multidimensional and multilevel) data from a query point of view. Focusing on association rule mining, we consid...
99
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DOLAP
2005
ACM
15 years 1 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
DAWAK
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. In this paper, we present a fast algorithm to answer rangesum queries in OLAP data cubes. Our algorithm supports constanttime queries while maintaining sub-linear time up...
189
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
CORR
2008
Springer
14 years 11 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...