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» Local Search for Very Large SAT Problems
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AIMSA
2008
Springer
15 years 1 months ago
A Hybrid Approach to Distributed Constraint Satisfaction
We present a hybrid approach to Distributed Constraint Satisfaction which combines incomplete, fast, penalty-based local search with complete, slower systematic search. Thus, we pr...
David Lee, Inés Arana, Hatem Ahriz, Kit-Yin...
COMPGEOM
2009
ACM
15 years 6 months ago
PTAS for geometric hitting set problems via local search
We consider the problem of computing minimum geometric hitting sets in which, given a set of geometric objects and a set of points, the goal is to compute the smallest subset of p...
Nabil H. Mustafa, Saurabh Ray
77
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JAIR
2006
92views more  JAIR 2006»
14 years 11 months ago
Dynamic Local Search for the Maximum Clique Problem
In this paper, we introduce DLS-MC, a new stochastic local search algorithm for the maximum clique problem. DLS-MC alternates between phases of iterative improvement, during which...
Wayne J. Pullan, Holger H. Hoos
AAAI
2007
15 years 2 months ago
Refutation by Randomised General Resolution
Local search is widely applied to satisfiable SAT problems, and on some problem classes outperforms backtrack search. An intriguing challenge posed by Selman, Kautz and McAlleste...
Steven David Prestwich, Inês Lynce
VMCAI
2005
Springer
15 years 5 months ago
Minimizing Counterexample with Unit Core Extraction and Incremental SAT
Abstract. It is a hotly researching topic to eliminate irrelevant variables from counterexample, to make it easier to be understood. K Ravi proposes a two-stages counterexample min...
ShengYu Shen, Ying Qin, Sikun Li