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Research

OptaPlanner is a good base for metaheuristics research. Read about some of the advantages in this article. Especially OptaPlanner Benchmarker and our big set of already implemented use cases, make it easy to test your new algorithm objectively against the existing algorithms.

If you’re doing academic or professional research on top of OptaPlanner, let us know.

To reference OptaPlanner or the user manual, please use this BibTeX reference:

@manual{optaplanner,
  author        = {De Smet, Geoffrey and open source contributors},
  title         = {OptaPlanner User Guide},
  year          = {2006},
  organization  = {Red Hat, Inc. or third-party contributors},
  url           = {https://www.optaplanner.org},
  note          = {OptaPlanner is an open source constraint solver in Java}
}

OptaPlanner related papers

  • Multithreaded incremental solving for local search based metaheuristics with step chasing by Geoffrey De Smet, Tony Wauters (2020)

    • Paper: PDF

    • Publication: Proceedings of the 13th International Conference on the Practice and Theory of Automated Timetabling - PATAT 2021: Volume I

    • ISBN: 978-0-9929984-3-1

  • Layout planning in assembly line kitting - a constraint programming approach by Christoffer Fink et al. (2021)

    • Publication: 2021 26th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA)

    • ISBN: 978-1-7281-2989-1

If your paper relates to OptaPlanner, let us know and we’ll add it here.

Latest release
  • 8.35.0.Final released
    Fri 3 March 2023
Upcoming events
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Latest blog posts
  • OptaPlanner 9 is coming
    Tue 21 February 2023
    Lukáš Petrovický
  • Farewell - a new lead
    Tue 15 November 2022
    Geoffrey De Smet
  • Run OptaPlanner workloads on OpenShift, part II
    Wed 9 November 2022
    Radovan Synek
  • Bavet - A faster score engine for OptaPlanner
    Tue 6 September 2022
    Geoffrey De Smet
  • Run OptaPlanner workloads on OpenShift, part I.
    Thu 9 June 2022
    Radovan Synek
  • OptaPlanner deprecates score DRL
    Thu 26 May 2022
    Lukáš Petrovický
  • Real-time planning meets SolverManager
    Mon 7 March 2022
    Radovan Synek
  • Blog archive
Latest videos
  • The Vehicle Routing Problem
    Fri 23 September 2022
    Geoffrey De Smet
  • Introduction to OptaPlanner AI constraint solver
    Thu 25 August 2022
    Anna Dupliak
  • On schedule: Artificial Intelligence plans that meet expectations
    Sat 23 July 2022
    Geoffrey De Smet
  • Host your OptaPlanner app on OpenShift (Kubernetes)
    Mon 7 February 2022
    Geoffrey De Smet
  • OptaPlanner - A fast, easy-to-use, open source AI constraint solver for software developers
    Mon 31 January 2022
  • Order picking planning with OptaPlanner
    Fri 31 December 2021
    Anna Dupliak
  • AI lesson scheduling on Quarkus with OptaPlanner
    Thu 18 November 2021
    Geoffrey De Smet
  • Video archive

OptaPlanner is open. All dependencies of this project are available under the Apache Software License 2.0 or a compatible license. OptaPlanner is trademarked.

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