197 search results - page 11 / 40 » Updating OLAP Dimensions |
94
Voted
SIGMOD
1999
ACM
15 years 1 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
90
Voted
GECCO
2010
Springer
15 years 2 months ago
2010
Springer
We implement a weighted negative update of the covariance matrix in the CMA-ES—weighted active CMA-ES or, in short, aCMA-ES. We benchmark the IPOP-aCMA-ES and compare the perfor...
100
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EDBT
2006
ACM
15 years 9 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...
SDM
2009
SIAM
15 years 6 months ago
2009
SIAM
As the amount of textual information grows explosively in various kinds of business systems, it becomes more and more desirable to analyze both structured data records and unstruc...