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SIGMOD
2009
ACM
172views Database» more  SIGMOD 2009»
15 years 6 months ago
Self-organizing tuple reconstruction in column-stores
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
SIGGRAPH
2010
ACM
15 years 4 months ago
OptiX: a general purpose ray tracing engine
The NVIDIA® OptiX™ ray tracing engine is a programmable system designed for NVIDIA GPUs and other highly parallel architectures. The OptiX engine builds on the key observation ...
Steven G. Parker, James Bigler, Andreas Dietrich, ...
CIVR
2007
Springer
192views Image Analysis» more  CIVR 2007»
15 years 5 months ago
Texture retrieval based on a non-parametric measure for multivariate distributions
In the present study, an efficient strategy for retrieving texture images from large texture databases is introduced and studied within a distributional-statistical framework. Our...
Vasileios K. Pothos, Christos Theoharatos, George ...
SC
2000
ACM
15 years 4 months ago
Real-Time Biomechanical Simulation of Volumetric Brain Deformation for Image Guided Neurosurgery
We aimed to study the performance of a parallel implementation of an intraoperative nonrigid registration algorithm that accurately simulates the biomechanical properties of the b...
Simon K. Warfield, Matthieu Ferrant, Xavier Gallez...
MSWIM
2004
ACM
15 years 5 months ago
IEEE 802.11 rate adaptation: a practical approach
Today, three different physical (PHY) layers for the IEEE 802.11 WLAN are available (802.11a/b/g); they all provide multi-rate capabilities. To achieve a high performance under v...
Mathieu Lacage, Mohammad Hossein Manshaei, Thierry...