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An Elite-guided Weighted Simulated Annealing Algorithm for the Clique Partitioning Problem

  • Baiyu Chen
  • , Junwen Ding
  • , Canhui Luo
  • , Qingyun Zhang*
  • , Zhouxing Su
  • , Zhipeng Lü
  • *Corresponding author for this work

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

Abstract

The clique partitioning problem (CPP) aims to find a partition of vertices of a complete graph in order to maximize the sum of edge weights within each partition (clique), which has been proven to be NP-hard and has wide real-world applications. In this paper, we propose an elite-guided weighted simulated annealing algorithm called EWSA to solve the CPP. First, EWSA employs two specific configurations and alternates between them via an oscillation strategy, which balances the exploitation and exploration of the search. Second, a weighting strategy is introduced to improve the scoring function in traditional simulated annealing, which is able to guide the search to explore diverse solutions. Finally, a partition restriction strategy is adopted to reduce search space and increase the search efficiency. Experiments on 255 instances demonstrate the competitiveness of EWSA. For 130 open instances, EWSA discovers new upper bounds in 32 cases and matches the best known results for the others. For the remaining 125 closed instances, EWSA achieves the best known objective values within a short computational time. Copyright © 2025, Association for the Advancement of Artificial Intelligence (www.aaai.org). All rights reserved.
Original languageEnglish
Title of host publicationProceedings of the Thirty-Ninth AAAI Conference on Artificial Intelligence
EditorsToby Walsh, Julie Shah, Zico Kolter
PublisherAAAI Press
Pages26904-26912
Number of pages9
ISBN (Print)1-57735-897-X, 978-1-57735-897-8
DOIs
Publication statusPublished - 2025
Externally publishedYes
Event39th Annual AAAI Conference on Artificial Intelligence (AAAI 2025) - Pennsylvania Convention Center , Philadelphia, United States
Duration: 25 Feb 20254 Mar 2025
https://aaai.org/conference/aaai/aaai-25/

Publication series

NameProceedings of the AAAI Conference on Artificial Intelligence
PublisherAssociation for the Advancement of Artificial Intelligence
ISSN (Print)2159-5399

Conference

Conference39th Annual AAAI Conference on Artificial Intelligence (AAAI 2025)
Abbreviated titleAAAI-25
PlaceUnited States
CityPhiladelphia
Period25/02/254/03/25
Internet address

Funding

We are grateful to the anonymous reviewers for their helpful comments. This work was supported in part by the National Natural Science Foundation of China (NSFC) under Grant 6240072662, 72101094 and 62202192, the Special Project for Knowledge Innovation of Hubei Province under Grant 2022013301015175, and Interdiciplinary Research Program of Hust 5003300129.

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