Further Improved Heuristics for Conflict-Based Search

  • Eli Boyarski
  • , Ariel Felner
  • , Pierre Le Bodic
  • , Daniel Harabor
  • , Peter J. Stuckey
  • , Sven Koenig

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Scopus citations

    Abstract

    Conflict-Based Search (CBS) is a leading two-level algorithm for optimal Multi-Agent Path Finding (MAPF). At the high level, CBS expands nodes by resolving conflicts. Recently, admissible heuristics were added to the high level of CBS. We enhance all known heuristic functions for CBS by using information about the cost of resolving certain conflicts, with only a small computational overhead. We experimentally demonstrate that the improved heuristics contribute to making CBS even more efficient.

    Original languageEnglish
    Title of host publication14th International Symposium on Combinatorial Search, SoCS 2021
    EditorsHang Ma, Ivan Serina
    PublisherAssociation for the Advancement of Artificial Intelligence
    Pages213-215
    Number of pages3
    ISBN (Electronic)9781713834557
    StatePublished - 1 Jan 2021
    Event14th International Symposium on Combinatorial Search, SoCS 2021 - Guangzhou, Virtual, China
    Duration: 26 Jul 202130 Jul 2021

    Publication series

    Name14th International Symposium on Combinatorial Search, SoCS 2021

    Conference

    Conference14th International Symposium on Combinatorial Search, SoCS 2021
    Country/TerritoryChina
    CityGuangzhou, Virtual
    Period26/07/2130/07/21

    ASJC Scopus subject areas

    • Computer Networks and Communications

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