102 search results - page 1 / 21 » Aggregation Algorithms for Very Large Compressed Data Wareho... |
VLDB
1999
ACM
13 years 9 months ago
1999
ACM
Many efficient algorithms to compute multidimensional aggregation and Cube for relational OLAP have been developed. However, to our knowledge, there is nothing to date in the lite...
HICSS
2011
IEEE
12 years 8 months ago
2011
IEEE
In enterprise data warehouses, different users in different business units often define their own application specific dimension hierarchies tailor made to their reporting and b...
RIVF
2007
13 years 6 months ago
2007
— The amount of data stored in data warehouses grows very quickly so that they can get saturated. To overcome this problem, we propose a language for specifying forgetting functi...
VLDB
2004
ACM
14 years 5 months ago
2004
ACM
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
SSDBM
2000
IEEE
13 years 8 months ago
2000
IEEE
Multidimensional data cubes are used in large data warehouses as a tool for online aggregation of information. As the number of dimensions increases, supporting efficient queries ...