Youcef Djenouri
When the decomposition meets the constraint satisfaction problem
Djenouri, Youcef; Djenouri, Djamel; Habbas, Zineb; Lin, Jerry Chun-Wei; Michalak, Tomasz P.; Cano, Alberto
Authors
Dr Djamel Djenouri Djamel.Djenouri@uwe.ac.uk
Associate Professor in Computer Science
Zineb Habbas
Jerry Chun-Wei Lin
Tomasz P. Michalak
Alberto Cano
Abstract
This paper explores the joint use of decomposition methods and parallel computing for solving constraint satisfaction problems and introduces a framework called Parallel Decomposition for Constraint Satisfaction Problems (PD-CSP). The main idea is that the set of constraints are first clustered using a decomposition algorithm in which highly correlated constraints are grouped together. Next, parallel search of variables is performed on the produced clusters in a way that is friendly for parallel computing. In particular, for the first step, we propose the adaptation of two well-known clustering algorithms ( k -means and DBSCAN). For the second step, we develop a GPU-based approach to efficiently explore the clusters. The results from the extensive experimental evaluation show that the PD-CSP provides competitive results in terms of accuracy and runtime.
Citation
Djenouri, Y., Djenouri, D., Habbas, Z., Lin, J. C., Michalak, T. P., & Cano, A. (2020). When the decomposition meets the constraint satisfaction problem. IEEE Access, 8, 207034-207043. https://doi.org/10.1109/access.2020.3038228
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 4, 2020 |
Online Publication Date | Nov 16, 2020 |
Publication Date | 2020 |
Deposit Date | Apr 8, 2021 |
Publicly Available Date | Apr 9, 2021 |
Journal | IEEE Access |
Electronic ISSN | 2169-3536 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
Pages | 207034-207043 |
DOI | https://doi.org/10.1109/access.2020.3038228 |
Keywords | General Engineering; General Materials Science; General Computer Science |
Public URL | https://uwe-repository.worktribe.com/output/7249369 |
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When the decomposition meets the constraint satisfaction problem
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Licence
http://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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