Sciweavers

919 search results - page 161 / 184
» Efficient computation of view subsets
Sort
View
AOR
2010
13 years 6 months ago
Solutions diversification in a column generation algorithm
Column generation algorithms have been specially designed for solving mathematical programs with a huge number of variables. Unfortunately, this method suffers from slow convergen...
Nora Touati Moungla, Lucas Létocart, Anass ...
MOC
2010
13 years 3 months ago
Analysis of a finite PML approximation to the three dimensional elastic wave scattering problem
We consider the application of a perfectly matched layer (PML) technique to approximate solutions to the elastic wave scattering problem in the frequency domain. The PML is viewed ...
James H. Bramble, Joseph E. Pasciak, Dimitar Trene...
TOG
2010
118views more  TOG 2010»
13 years 3 months ago
A hierarchical volumetric shadow algorithm for single scattering
Volumetric effects such as beams of light through participating media are an important component in the appearance of the natural world. Many such effects can be faithfully modele...
Ilya Baran, Jiawen Chen, Jonathan Ragan-Kelley, Fr...
VLSID
2002
IEEE
142views VLSI» more  VLSID 2002»
14 years 9 months ago
Address Code and Arithmetic Optimizations for Embedded Systems
An important class of problems used widely in both the embedded systems and scientific domains perform memory intensive computations on large data sets. These data sets get to be ...
J. Ramanujam, Satish Krishnamurthy, Jinpyo Hong, M...
ICDE
2007
IEEE
128views Database» more  ICDE 2007»
14 years 10 months ago
DeltaSky: Optimal Maintenance of Skyline Deletions without Exclusive Dominance Region Generation
This paper addresses the problem of efficient maintenance of a materialized skyline view in response to skyline removals. While there has been significant progress on skyline quer...
Ping Wu, Divyakant Agrawal, Ömer Egecioglu, A...