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VLDB
2007
ACM
146views Database» more  VLDB 2007»
16 years 8 months ago
A Cost-Estimation Component for Statement Sequences
Query generators producing sequences of SQL statements are embedded in many applications. As the execution time of such sequences is often far from optimal, their optimization is ...
Tobias Kraft
SIGMOD
2009
ACM
114views Database» more  SIGMOD 2009»
16 years 8 months ago
A framework for testing query transformation rules
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
Hicham G. Elmongui, Vivek R. Narasayya, Ravishanka...
CVPR
2010
IEEE
16 years 3 months ago
Efficient Piecewise Learning for Conditional Random Fields
Conditional Random Field models have proved effective for several low-level computer vision problems. Inference in these models involves solving a combinatorial optimization probl...
Karteek Alahari, Phil Torr
ICC
2007
IEEE
110views Communications» more  ICC 2007»
16 years 2 months ago
Joint Source and Channel Coding for Image Transmission over Time Varying Channels
—In this paper, the joint source and channel coding for progressive image transmission over channels with varying SNR is considered. Since the feedback of channel status informat...
Lei Cao
IEEEPACT
2007
IEEE
16 years 2 months ago
Automatic Correction of Loop Transformations
Loop nest optimization is a combinatorial problem. Due to the growing complexity of modern architectures, it involves two increasingly difficult tasks: (1) analyzing the profita...
Nicolas Vasilache, Albert Cohen, Louis-Noël P...