554 search results - page 12 / 111 » Approximation algorithms and hardness results for labeled co... |
JCSS
2010
13 years 6 months ago
2010
We present a simple randomized algorithmic framework for connected facility location problems. The basic idea is as follows: We run a black-box approximation algorithm for the unc...
AAIM
2006
Springer
14 years 1 months ago
2006
Springer
Abstract. We study an extension of the set cover problem, the connected set cover problem, the problem is to find a set cover of minimal size that satisfies some connectivity con...
SODA
2001
ACM
13 years 9 months ago
2001
ACM
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals. Our goal is to assign the rest of the nodes ...
PAMI
2007
13 years 7 months ago
2007
A new framework is presented for both understanding and developing graph-cut based combinatorial algorithms suitable for the approximate optimization of a very wide class of MRFs ...
FOCS
2005
IEEE
14 years 1 months ago
2005
IEEE
In the CLOSEST SUBSTRING problem k strings s1, ..., sk are given, and the task is to find a string s of length L such that each string si has a consecutive substring of length L ...