Blog

• Scaling Up Vehicle Routing Problem with planning list variable and Nearby Selector
  Thu 27 April 2023
  Anna Dupliak
• OptaPlanner 9 has been released
  Mon 24 April 2023
  Radovan Synek
• 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
• 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
• Static website generation with Java, Maven and JBake
  Wed 9 June 2021
  Geoffrey De Smet
• Writing fast constraints with OptaPlanner: the secret recipe
  Tue 25 May 2021
  Lukáš Petrovický
• The path to OptaPlanner enlightenment starts in the logs
  Thu 6 May 2021
  Geoffrey De Smet
• Batch solving a 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