2468 search results - page 423 / 494 » Aggregation operators 2003 |
BTW
2003
Springer
14 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
CAIP
2003
Springer
14 years 2 months ago
2003
Springer
A general framework for automatic segmentation of diatom images is presented. This segmentation is a critical first step in contour-based methods for automatic identification of ...
CAISE
2003
Springer
14 years 2 months ago
2003
Springer
In this paper we discuss how the concept of ontology can be beneficial for the authoring support of Web-based educational systems (WBES). We take a semantic perspective on the know...
CC
2003
Springer
14 years 2 months ago
2003
Springer
We define the Value State Dependence Graph (VSDG). The VSDG is a form of the Value Dependence Graph (VDG) extended by the addition of state dependence edges to model sequentialise...
CC
2003
Springer
14 years 2 months ago
2003
Springer
Cache memories were invented to decouple fast processors from slow memories. However, this decoupling is only partial, and many researchers have attempted to improve cache use by p...