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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

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

Latest release
  • 8.14.0.Final released
    Wed 8 December 2021
Paid support and consulting

Want to talk to the experts? Red Hat offers certified binaries with enterprise consulting. Contact optaplanner-info for more information.

Upcoming events
  • DevConf.CZ
    Brno, Czech Republic (virtual) - Fri 28 January 2022
    • Artificial Intelligence on Quarkus: I love it when an OptaPlan comes together by Geoffrey De Smet
  • JFokus
    Stockholm, Sweden - Mon 7 February 2022
    • AI maintenance scheduling with OptaPlanner on Quarkus by Geoffrey De Smet
  • Add event / Archive
Latest blog posts
  • OptaPlanner documentation turns over a new leaf
    Tue 26 October 2021
    Radovan Synek
  • Order picking optimization in warehouses and supermarkets with OptaPlanner
    Thu 14 October 2021
    Walter Medvedeo
  • Monitor OptaPlanner solvers through Micrometer
    Tue 12 October 2021
    Christopher Chianelli
  • A new AI constraint solver for Python: OptaPy
    Tue 5 October 2021
    Christopher Chianelli
  • How much faster is Java 17?
    Wed 15 September 2021
    Geoffrey De Smet
  • Constraint Streams get some more love
    Thu 19 August 2021
    Lukáš Petrovický
  • Let’s OptaPlan your jBPM tasks (part 2) - BPM Task assigning in the cloud
    Mon 26 July 2021
    Walter Medvedeo
  • Blog archive
Latest videos
  • AI lesson scheduling on Quarkus with OptaPlanner
    Thu 18 November 2021
    Geoffrey De Smet
  • Maintenance scheduling
    Fri 12 November 2021
    Geoffrey De Smet
  • Optimized order picking in warehouses and supermarkets
    Tue 26 October 2021
    Walter Medvedeo
  • A modern OO/FP constraint solver
    Tue 14 September 2021
    Geoffrey De Smet
  • Business processes task optimization in Kogito
    Tue 7 September 2021
    Walter Medvedeo
  • School timetable optimization
    Mon 6 September 2021
    Geoffrey De Smet
  • Schedule incoming calls real-time
    Mon 23 August 2021
    Radovan Synek
  • 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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