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Reparation in evolutionary algorithms for multi-objective feature selection in large software product lines

Saber, Takfarinas orcid logoORCID: 0000-0003-2958-7979, Brevet, David, Botterweck, Goetz orcid logoORCID: 0000-0002-5556-1660 and Ventresque, Anthony orcid logoORCID: 0000-0003-2064-1238 (2021) Reparation in evolutionary algorithms for multi-objective feature selection in large software product lines. SN Computer Science, 2 . ISSN 2661-8907

Abstract
Software Product Lines Engineering is the area of software engineering that aims to systematise the modelling, creation and improvement of groups of interconnected software systems by formally expressing possible alternative products in the form of Feature Models. Deriving a software product/system from a feature model is called Feature Configuration. Engineers select the subset of features (software components) from a feature model that suits their needs, while respecting the underlying relationships/constraints of the system–which is challenging on its own. Since there exist several (and often antagonistic) perspectives on which the quality of software could be assessed, the problem is even more challenging as it becomes a multi-objective optimisation problem. Current multi-objective feature selection in software product line approaches (e.g., SATIBEA) combine the scalability of a genetic algorithm (IBEA) with a solution reparation approach based on a SAT solver or one of its derivatives. In this paper, we propose MILPIBEA, a novel hybrid algorithm which combines IBEA with the accuracy of a mixed-integer linear programming (MILP) reparation. We show that the MILP reparation modifies fewer features from the original infeasible solutions than the SAT reparation and in a shorter time. We also demonstrate that MILPIBEA outperforms SATIBEA on average on various multi-objective performance metrics, especially on the largest feature models. The other major challenge in software engineering in general and in software product lines, in particular, is evolution. While the change in software components is common in the software engineering industry, the particular case of multi-objective optimisation of evolving software product lines is not well-tackled yet. We show that MILPIBEA is not only able to better take advantage of the evolution than SATIBEA, but it is also the one that continues to improve the quality of the solutions when SATIBEA stagnates. Overall, IBEA performs better when combined with MILP instead of SAT reparation when optimising the multi-objective feature selection in large and evolving software product lines.
Metadata
Item Type:Article (Published)
Refereed:Yes
Additional Information:Article number: 138
Uncontrolled Keywords:Software product line; Feature selection; Multi-objective optimisation; Evolutionary algorithm; Reparation; Mixed-integer linear programming
Subjects:Computer Science > Algorithms
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Research Institutes and Centres > Lero: The Irish Software Engineering Research Centre
Publisher:Springer
Official URL:https://doi.org/10.1007%2Fs42979-021-00541-8
Copyright Information:© 2021 © The Authors, under exclusive licence to Springer Nature
Funders:Science Foundation Ireland Grant 13/RC/2094_P2, European Regional Development Fund through the Southern and Eastern Regional Operational Programme to Lero - the Science Foundation Ireland Research Centre for Software
ID Code:26123
Deposited On:16 Sep 2021 11:59 by Takfarinas Saber . Last Modified 22 Feb 2022 04:30
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