Collective intelligence approaches in interactive evolutionary multi-objective optimization

Evolutionary multi-objective optimization algorithms (EMOAs) have been successfully applied in many real-life problems. EMOAs approximate the set of trade-offs between multiple conflicting objectives, known as the Pareto optimal set. Reference point approaches can alleviate the optimization process...

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Bibliographic Details
Published in:Logic journal of the IGPL 2020-02, Vol.28 (1), p.95-108
Main Authors: Cinalli, Daniel, Martí, Luis, Sanchez-Pi, Nayat, Cristina Bicharra Garcia, Ana
Format: Article
Language:English
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Summary:Evolutionary multi-objective optimization algorithms (EMOAs) have been successfully applied in many real-life problems. EMOAs approximate the set of trade-offs between multiple conflicting objectives, known as the Pareto optimal set. Reference point approaches can alleviate the optimization process by highlighting relevant areas of the Pareto set and support the decision makers to take the more confident evaluation. One important drawback of this approaches is that they require an in-depth knowledge of the problem being solved in order to function correctly. Collective intelligence has been put forward as an alternative to deal with situations like these. This paper extends some well-known EMOAs to incorporate collective preferences and interactive techniques. Similarly, two new preference-based multi-objective optimization performance indicators are introduced in order to analyze the results produced by the proposed algorithms in the comparative experiments carried out.
ISSN:1367-0751
1368-9894
DOI:10.1093/jigpal/jzz074