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A Two-Stage Algorithm for Integer Multiobjective Simulation Optimization

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Multiobjective discrete optimization via simulation (MDOvS) has received considerable attention from both academics and industry due to its wide application. This paper proposes a two-stage fast convergent search algorithm for MDOvS. In its first stage, the multiobjective optimization problem under consideration is decomposed into several single-objective optimization subproblems, and a Pareto retrospective approximation method is used to generate an approximated optimal solution for each subproblem. In the second stage, from the solutions generated in the first stage, a multiobjective local stochastic search with a revised simulation allocation rule is used to explore the entire Pareto front. Our experimental studies show that the proposed method outperforms the state-of-the-art MO-COMPASS on a set of test instances with noisy evaluations and a bi-objective bus scheduling problem. Our proposed method is up to ten times faster than MO-COMPASS. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.
Original languageEnglish
Title of host publicationEvolutionary Multi-Criterion Optimization
Subtitle of host publication12th International Conference, EMO 2023, Proceedings
EditorsMichael Emmerich, André Deutz, Hao Wang, Anna V. Kononova, Boris Naujoks, Ke Li, Kaisa Miettinen, Iryna Yevseyeva
PublisherSpringer, Cham
Pages17-28
ISBN (Electronic)978-3-031-27250-9
ISBN (Print)978-3-031-27249-3
DOIs
Publication statusPublished - Mar 2023
Event12th International Conference on Evolutionary Multi-Criterion Optimization (EMO 2023) - Hybrid, Leiden, Netherlands
Duration: 20 Mar 202324 Mar 2023
https://emo2023.liacs.leidenuniv.nl/

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume13970 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference12th International Conference on Evolutionary Multi-Criterion Optimization (EMO 2023)
PlaceNetherlands
CityLeiden
Period20/03/2324/03/23
Internet address

Research Keywords

  • Decomposition
  • Integer-ordered
  • Multiobjective optimization
  • Simulation optimization
  • Stochastic

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