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Blog archive

  • Batch solving an ActiveMQ queue that contains planning problem data sets in a scalable way
    Thu 25 March 2021
     Radovan Synek
  • Optimizing COVID-19 vaccination appointment scheduling
    Thu 4 March 2021
     Paul Brown
  • How much faster is Java 15?
    Tue 26 January 2021
     Michal Tomčo
  • Solve the facility location problem
    Fri 9 October 2020
     Jiří Locker
  • OptaPlanner Week 2020 recordings
    Mon 7 September 2020
     Geoffrey De Smet
  • Let’s OptaPlan your jBPM tasks (part 1) - Integrating the two worlds
    Fri 3 July 2020
     Walter Medvedeo
  • AI versus Covid-19: How Java helps nurses and doctors in this fight
    Fri 8 May 2020
     Christopher Chianelli
  • Workflow processes with AI scheduling
    Tue 5 May 2020
     Christopher Chianelli
  • Constraint Streams - Modern Java constraints without the Drools Rule Language
    Tue 7 April 2020
     Geoffrey De Smet
  • How to plan (and optimize) a Secret Santa
    Wed 18 December 2019
     Christopher Chianelli
  • Exploring the new OptaWeb Employee Rostering backend
    Tue 22 October 2019
     Julian Cui
  • Mechanic scheduling (part 3) - Simulation and load testing
    Thu 9 May 2019
     Radovan Synek
  • Mechanic scheduling (part 2) - Architecture and integration
    Thu 9 May 2019
     Musa Talluzi
  • Mechanic scheduling (part 1) - Can OptaPlanner keep up with a keynote audience of thousands?
    Thu 9 May 2019
     Geoffrey De Smet
  • KIE Server OptaPlanner Task Assignment
    Wed 13 March 2019
     Musa Talluzi
  • How much faster is Java 11?
    Thu 17 January 2019
     Radovan Synek
  • Red Hat Mobile Portfolio Truck dodges storms while keeping Sales happy with OptaPlanner
    Mon 19 November 2018
     Sudheer Chekka
  • Unit testing constraints with business input from Excel or LibreOffice
    Tue 21 August 2018
     Musa Talluzi
  • How to defeat gerrymandering and create fair elections
    Wed 25 July 2018
     Justin Goldsmith
  • A giant leap forward with multithreaded incremental solving
    Tue 3 July 2018
     Geoffrey De Smet
  • Behind the scenes of Red Hat Summit 2018 scheduling
    Wed 23 May 2018
     Geoffrey De Smet
  • Scheduling Voxxed Days Zurich 2018 with OptaPlanner
    Mon 19 February 2018
     Mario Fusco
  • Java Reflection, but much faster
    Tue 9 January 2018
     Geoffrey De Smet
  • Does A.I. include constraint solvers?
    Thu 7 September 2017
     Geoffrey De Smet
  • Optimize your problems using KIE Execution Server
    Fri 18 August 2017
     Matej Čimbora
  • Visualize the score and the constraints
    Mon 13 March 2017
     Geoffrey De Smet
  • Formula for measuring unfairness
    Fri 3 February 2017
     Geoffrey De Smet
  • How to become US president with less than a quarter of the votes
    Tue 6 December 2016
     Geoffrey De Smet
  • Domain modeling guide
    Wed 26 October 2016
     Geoffrey De Smet
  • A decade of OptaPlanner
    Sun 7 August 2016
     Geoffrey De Smet
  • 7 ways to fail your optimization project
    Mon 18 April 2016
     Geoffrey De Smet
  • What is the bottleneck in my Solver?
    Fri 12 February 2016
     Geoffrey De Smet
  • Time scheduling design patterns
    Tue 1 December 2015
     Geoffrey De Smet
  • Sneak peek at OptaPlanner Workbench
    Thu 1 October 2015
     Geoffrey De Smet
  • How lucky are your random seeds?
    Wed 30 September 2015
     Ondrej Škopek
  • Integrating JPA Hibernate with OptaPlanner
    Wed 23 September 2015
     Geoffrey De Smet
  • What is the fastest Garbage Collector in Java 8?
    Fri 31 July 2015
     Geoffrey De Smet
  • How good are human planners?
    Wed 3 June 2015
     Geoffrey De Smet
  • OptaPlanner on Android
    Tue 19 May 2015
     Tomáš David
  • 3 Bugs in The Ultimate American Road Trip of The Washington Post
    Fri 20 March 2015
     Geoffrey De Smet
  • Visualizing Vehicle Routing with Leaflet and Google Maps
    Tue 10 March 2015
     Geoffrey De Smet
  • How fast is logging?
    Mon 23 February 2015
     Geoffrey De Smet
  • Scaling Vehicle Routing with Nearby Selection
    Tue 27 January 2015
     Geoffrey De Smet
  • Prototyping an enterprise webapp at Devoxx Hackergarten
    Mon 17 November 2014
     Geoffrey De Smet
  • Open benchmarks for the win
    Fri 7 November 2014
     Geoffrey De Smet
  • Vehicle routing with real road distances
    Tue 2 September 2014
     Geoffrey De Smet
  • Cheating on the N Queens benchmark
    Mon 12 May 2014
     Geoffrey De Smet
  • Put the user in control of the score constraints
    Thu 17 April 2014
     Geoffrey De Smet
  • Is the search space of an optimization problem really that big?
    Thu 27 March 2014
     Geoffrey De Smet
  • How much faster is Java 8?
    Thu 20 March 2014
     Geoffrey De Smet
  • Can MapReduce solve planning problems?
    Mon 3 March 2014
     Geoffrey De Smet
  • Will Skynet control our schedule if the computer optimizes it for us?
    Fri 11 October 2013
     Geoffrey De Smet
  • False assumptions for the Vehicle Routing Problem
    Tue 6 August 2013
     Geoffrey De Smet

For older posts, see the old blog.

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Blog archive
Latest release
  • 8.5.0.Final released
    Thu 15 April 2021
Upcoming events
  • SouJava MOTU
    Worldwide - Thu 15 April 2021
    • Planejamento de Recursos com OptaPlanner by Karina Varela, Otávio Santana
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Latest blog posts
  • Batch solving an ActiveMQ queue that contains planning problem data sets in a scalable way
    Thu 25 March 2021
     Radovan Synek
  • Optimizing COVID-19 vaccination appointment scheduling
    Thu 4 March 2021
     Paul Brown
  • How much faster is Java 15?
    Tue 26 January 2021
     Michal Tomčo
  • Solve the facility location problem
    Fri 9 October 2020
     Jiří Locker
  • OptaPlanner Week 2020 recordings
    Mon 7 September 2020
     Geoffrey De Smet
  • Let’s OptaPlan your jBPM tasks (part 1) - Integrating the two worlds
    Fri 3 July 2020
     Walter Medvedeo
  • AI versus Covid-19: How Java helps nurses and doctors in this fight
    Fri 8 May 2020
     Christopher Chianelli
Blog archive
Latest videos
  • YT Unit testing constraints
    Tue 9 March 2021
     Lukáš Petrovický
  • YT Maintenance scheduling
    Wed 24 February 2021
     Julian Cui
  • YT Vaccination appointment scheduling
    Wed 3 February 2021
     Geoffrey De Smet
  • YT Shadow variables
    Tue 19 January 2021
     Geoffrey De Smet
  • YT Domain modeling and design patterns
    Tue 17 November 2020
     Geoffrey De Smet
  • YT Quarkus insights: AI constraint solving
    Tue 20 October 2020
     Geoffrey De Smet
  • YT AI in kotlin
    Wed 23 September 2020
     Geoffrey De Smet
Video archive

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