69 search results - page 2 / 14 » A new way of optimizing OLAP queries |
SSDBM
1998
IEEE
13 years 8 months ago
1998
IEEE
We address the issue of designing effective query languages for OLAP databases. The basis of our investigation is MD, a new data model for multidimensional databases that, unlike ...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
DAWAK
2011
Springer
12 years 4 months ago
2011
Springer
In recent years, there has been a large increase in the amount of spatial data obtained from remote sensing, GPS receivers, communication terminals and other domains. Data warehous...
PVLDB
2008
13 years 4 months ago
2008
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
DOLAP
2006
ACM
13 years 10 months ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...