1675 search results - page 9 / 335 » Implementing Data Cubes Efficiently |
DEXA
2008
Springer
13 years 11 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...
ICDT
2001
ACM
14 years 2 months ago
2001
ACM
This paper presents a general methodology for the efficient parallelization of existing data cube construction algorithms. We describe two different partitioning strategies, one f...
SIGMOD
2011
ACM
13 years 18 days ago
2011
ACM
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
ISI
2002
Springer
13 years 9 months ago
2002
Springer
Dealing with large volumes of data, OLAP data cubes aggregated values are often spoiled by errors due to missing values in detailed data. This paper suggests to adjust aggregate an...
FSS
2008
13 years 9 months ago
2008
Multidimensional databases are now recognized as being the standard way to store aggregated and historized data. Multidimensional databases are designed to store information on me...