21993 search results - page 3 / 4399 » Evolution of Data Models |
SDM
2007
SIAM
13 years 8 months ago
2007
SIAM
Many clustering algorithms have been proposed to partition a set of static data points into groups. In this paper, we consider an evolutionary clustering problem where the input d...
CAISE
1999
Springer
13 years 11 months ago
1999
Springer
As a decision support information system, a data warehouse must provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural fram...
CAEPIA
2003
Springer
13 years 11 months ago
2003
Springer
In decision support systems for Intensive Care Units (ICU), the data management subsystem plays an essential role since the data have a heterogeneous origin. The temporal dimension...
DAWAK
2007
Springer
14 years 22 days ago
2007
Springer
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse We abstract software modules, queries, r...
ER
2008
Springer
13 years 8 months ago
2008
Springer
During data warehouse design, the designer frequently encounters the problem of choosing among different alternatives for the same design construct. The behavior of the chosen desi...