Abstract
Many-objective optimization, which deals with an optimization problem with more than three objectives, poses a big challenge to various search techniques, including evolutionary algorithms. Recently, a meta-objective optimization approach (called bi-goal evolution, BiGE) which maps solutions from the original high-dimensional objective space into a bi-goal space of proximity and crowding degree has received increasing attention in the area. However, it has been found that BiGE tends to struggle on a class of many-objective problems where the search process involves dominance resistant solutions, namely, those solutions with an extremely poor value in at least one of the objectives but with (near) optimal values in some of the others. It is difficult for BiGE to get rid of dominance resistant solutions as they are Pareto nondominated and far away from the main population, thus always having a good crowding degree. In this paper, we propose an angle-based crowding degree estimation method for BiGE (denoted as aBiGE) to replace distance-based crowding degree estimation in BiGE. Experimental studies show the effectiveness of this replacement.
Original language | English |
---|---|
Title of host publication | Advances in Intelligent Data Analysis XVIII - 18th International Symposium on Intelligent Data Analysis, IDA 2020, Proceedings |
Editors | Michael R. Berthold, Ad Feelders, Georg Krempl |
Publisher | Springer Vieweg |
Pages | 574-586 |
Number of pages | 13 |
ISBN (Print) | 9783030445836 |
DOIs | |
Publication status | Published - 2020 |
Event | 18th International Conference on Intelligent Data Analysis, IDA 2020 - Konstanz, Germany Duration: 27 Apr 2020 → 29 Apr 2020 |
Publication series
Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
---|---|
Volume | 12080 LNCS |
ISSN (Print) | 0302-9743 |
ISSN (Electronic) | 1611-3349 |
Conference
Conference | 18th International Conference on Intelligent Data Analysis, IDA 2020 |
---|---|
Country/Territory | Germany |
City | Konstanz |
Period | 27/04/20 → 29/04/20 |
Bibliographical note
Publisher Copyright:© 2020, The Author(s).
Keywords
- Angle-based crowding degree estimation
- Bi-goal evolution
- Evolutionary algorithm
- Many-objective optimization
ASJC Scopus subject areas
- Theoretical Computer Science
- General Computer Science