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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
  • 8.20.0.Final released
    Thu 14 April 2022
Upcoming events
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Latest blog posts
  • Real-time planning meets SolverManager
    Mon 7 March 2022
    Radovan Synek
  • 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
  • Blog archive
Latest videos
  • 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
  • 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
  • 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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