Volume 11 Number 9 (Sep. 2016)
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JSW 2016 Vol.11(9): 903-911 ISSN: 1796-217X
doi: 10.17706/jsw.11.9.903-911

Guiding Search by Singleton-Domain Variables for Constraint Satisfaction Problem

Yi Jun Liu*
Jilin University ,Changchun, Jilin Province, China.

Abstract—Heuristic is an important subject in the field of constraint satisfaction problem(CSP). In the study, we found a kind of variables named singleton-domain variables have a great influence on the solution process. Based on this, we propose a heuristic method named dom/wsdeg and the corresponding calculating method and combine the method with a constraint network compression technology proposed in this paper. The results have shown that the new heuristics are more efficient than the classical heuristics.

Index Terms—Constraint satisfaction problem, compression method, singleton-domain variable, variable ordering heuristic.


Cite: Yi Jun Liu, "Guiding Search by Singleton-Domain Variables for Constraint Satisfaction Problem," Journal of Software vol. 11, no. 9, pp. 903-911, 2016.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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