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PVLDB
2008
126views more  PVLDB 2008»
13 years 7 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...
NMA
2010
13 years 5 months ago
Genetic Algorithms Based Parameter Identification of Yeast Fed-Batch Cultivation
Different kinds of genetic algorithms have been investigated for a parameter identification of a fermentation process. Altogether eight realizations of genetic algorithms have been...
Maria Angelova, Stoyan Tzonkov, Tania Pencheva
IJCV
2002
129views more  IJCV 2002»
13 years 7 months ago
A Hierarchical Symmetric Stereo Algorithm Using Dynamic Programming
In this paper, a new hierarchical stereo algorithm is presented. The algorithm matches individual pixels in corresponding scanlines by minimizing a cost function. Several cost fun...
G. Van Meerbergen, Maarten Vergauwen, Marc Pollefe...
ICIP
2010
IEEE
13 years 5 months ago
Objective assessment of tone mapping algorithms
There has been a growing interest in recent years to develop tone mapping algorithms that can convert high dynamic range (HDR) to low dynamic range (LDR) images, so that they can ...
Hojatollah Yeganeh, Zhou Wang
CAP
2010
13 years 2 months ago
Accuracy versus time: a case study with summation algorithms
In this article, we focus on numerical algorithms for which, in practice, parallelism and accuracy do not cohabit well. In order to increase parallelism, expressions are reparsed,...
Philippe Langlois, Matthieu Martel, Laurent Th&eac...