447 search results - page 20 / 90 » Approximation Algorithms for Directed Steiner Problems |
SODA
2008
ACM
13 years 10 months ago
2008
ACM
In this paper, we present two techniques to analyze greedy approximation with nonsubmodular functions restricted submodularity and shifted submodularity. As an application of the ...
APPROX
2005
Springer
14 years 2 months ago
2005
Springer
The field of stochastic optimization studies decision making under uncertainty, when only probabilistic information about the future is available. Finding approximate solutions to...
ISPD
2012
ACM
12 years 4 months ago
2012
ACM
In this paper, we propose a new approach for gated bus synthesis [16] with minimum wire capacitance per transaction in three-dimensional (3D) ICs. The 3D IC technology connects di...
STOC
2004
ACM
14 years 8 months ago
2004
ACM
This paper addresses the problem of piecewise linear approximation of implicit surfaces. We first give a criterion ensuring that the zero-set of a smooth function and the one of a...
ALGORITHMICA
1998
13 years 8 months ago
1998
The dominatingset problemin graphs asks for a minimumsize subset of vertices with the followingproperty: each vertex is required to either be in the dominating set, or adjacent to...