Local Search with Configuration Checking for SAT

There are no files associated with this record.

Title Local Search with Configuration Checking for SAT
Author Cai, Shaowei; Su, Kaile
Publication Title Proceedings of 2011 23rd IEEE International Conference on Tools with Artificial Intelligence ICTAI 2011
Editor Taghi M. Khoshgoftaar and Xingquan (Hill) Zhu
Year Published 2011
Place of publication United States
Publisher IEEE
Abstract Abstract—Local Search is an appealing method for solving the Boolean Satisfiability problem (SAT). However, this method suffers from the cycling problem which severely limits its power. Recently, a new strategy called configuration checking (CC) was proposed, for handling the cycling problem in local search. The CC strategy was used to improve a state-ofthe- art local search algorithm for Minimum Vertex Cover. In this paper, we propose a novel local search strategy for the satisfiability problem, i.e., the CC strategy for SAT. The CC strategy for SAT takes into account the circumstances of the variables when selecting a variable to flip, where the circumstance of a variable refers to truth values of all its neighboring variables. We then apply it to design a local search algorithm for SAT called SWcc (Smoothed Weighting with Configuration Checking). Experimental results show that the CC strategy for SAT is more efficient than the previous strategy for handling the cycling problem called tabu. Moreover, SWcc significantly outperforms the best local search SAT solver in SAT Competition 2009 called TNM on large random 3-SAT instances.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1109/ICTAI.2011.18
ISBN 978-0-7695-4596-7
Conference name ICTAI 2011
Location Boca Raton, Florida, USA
Date From 2011-11-07
Date To 2011-11-09
URI http://hdl.handle.net/10072/44533
Date Accessioned 2012-03-15; 2012-04-17T22:36:27Z
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Artificial Intelligence and Image Processing
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

Show simple item record

Griffith University copyright notice