289 search results - page 26 / 58 » Control of an Extensible Query Optimizer: A Planning-Based A... |
ICAC
2007
IEEE
14 years 2 months ago
2007
IEEE
Most parallel machines, such as clusters, are spaceshared in order to isolate batch parallel applications from each other and optimize their performance. However, this leads to lo...
IJON
2006
13 years 7 months ago
2006
Constructing the controller of a mobile robot has several issues to be addressed: how to automate behavior generation procedure, how to insert available domain knowledge effective...
ICDE
1999
IEEE
14 years 9 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
KDD
2002
ACM
14 years 8 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...