Sciweavers

102 search results - page 10 / 21
» A Stochastic Local Search Approach to Vertex Cover
Sort
View
CP
2000
Springer
14 years 9 days ago
New Search Heuristics for Max-CSP
Abstract. This paper evaluates the power of a new scheme that generates search heuristics mechanically. This approach was presented and evaluated rst in the context of optimization...
Kalev Kask
CORR
2008
Springer
161views Education» more  CORR 2008»
13 years 6 months ago
An application of the Threshold Accepting metaheuristic for curriculum based course timetabling
The article presents a local search approach for the solution of timetabling problems in general, with a particular implementation for competition track 3 of the International Time...
Martin Josef Geiger
BIBE
2006
IEEE
119views Bioinformatics» more  BIBE 2006»
14 years 2 months ago
Large Grain Size Stochastic Optimization Alignment
DNA sequence alignment is a critical step in identifying homology between organisms. The most widely used alignment program, ClustalW, is known to suffer from the local minima pro...
Perry Ridge, Hyrum Carroll, Dan Sneddon, Mark J. C...
CORR
2010
Springer
123views Education» more  CORR 2010»
13 years 6 months ago
Feature Construction for Relational Sequence Learning
Abstract. We tackle the problem of multi-class relational sequence learning using relevant patterns discovered from a set of labelled sequences. To deal with this problem, firstly...
Nicola Di Mauro, Teresa Maria Altomare Basile, Ste...
STOC
2009
ACM
150views Algorithms» more  STOC 2009»
14 years 8 months ago
Integrality gaps for Sherali-Adams relaxations
We prove strong lower bounds on integrality gaps of Sherali?Adams relaxations for MAX CUT, Vertex Cover, Sparsest Cut and other problems. Our constructions show gaps for Sherali?A...
Moses Charikar, Konstantin Makarychev, Yury Makary...