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» Maximizing the Number of Packed Rectangles
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EUROPAR
2010
Springer
13 years 7 months ago
A Fast 5/2-Approximation Algorithm for Hierarchical Scheduling
We present in this article a new approximation algorithm for scheduling a set of n independent rigid (meaning requiring a fixed number of processors) jobs on hierarchical parallel ...
Marin Bougeret, Pierre-François Dutot, Klau...
CORR
2011
Springer
191views Education» more  CORR 2011»
13 years 2 months ago
On Approximating Four Covering and Packing Problems
In this paper, we consider approximability issues of the following four problems: triangle packing, full sibling reconstruction, maximum profit coverage and 2-coverage. All of th...
Mary V. Ashley, Tanya Y. Berger-Wolf, Piotr Berman...
EOR
2007
104views more  EOR 2007»
13 years 7 months ago
A cutting-plane approach for the two-dimensional orthogonal non-guillotine cutting problem
The two-dimensional orthogonal non-guillotine cutting problem (NGCP) appears in many industries (like wood and steel industries) and consists in cutting a rectangular master surfa...
Roberto Baldacci, Marco A. Boschetti
IDA
2005
Springer
14 years 26 days ago
From Local Pattern Mining to Relevant Bi-cluster Characterization
Clustering or bi-clustering techniques have been proved quite useful in many application domains. A weakness of these techniques remains the poor support for grouping characterizat...
Ruggero G. Pensa, Jean-François Boulicaut
GMP
2008
IEEE
161views Solid Modeling» more  GMP 2008»
14 years 1 months ago
Slit Map: Conformal Parameterization for Multiply Connected Surfaces
Surface parameterization is a fundamental tool in geometric modeling and processing. Most existing methods deal with simply connected disks. This work introduces a novel method to ...
Xiaotian Yin, Junfei Dai, Shing-Tung Yau, Xianfeng...