OptaPlanner documentation turns over a new leaf

  For years, OptaPlanner has been offering the documentation in two formats: single-page HTML and PDF. This now changes with the launch a new doc...

rsynek December 7, 2021

Order picking optimization in warehouses and supermarkets with OptaPlanner

  During the pandemic year, we saw many stores and supermarkets adapt their business in several ways. Sometimes these changes occurred from day t...

wmedvede December 2, 2021

A new AI constraint solver for Python: OptaPy

  Python developers can now solve AI planning problems (such as the vehicle routing problem and employee rostering) with OptaPy. Let me show you ...

Christopher-Chianelli October 5, 2021

Let’s OptaPlan your jBPM tasks (part 2) – BPM Task assigning in the cloud

  In the following paragraphs we will show that by combining the Kogito business processes with OptaPlanner optimization, it is possible to autom...

wmedvede July 26, 2021

The path to OptaPlanner enlightenment starts in the logs

Do you want to understand what OptaPlanner is doing while it is solving? Which decisions it makes? When? And why? Do you want to open the box and take a look inside?

Geoffrey De Smet May 6, 2021

Optimizing COVID-19 vaccination appointment scheduling

COVID-19 vaccination appointment scheduling has proven to be a world-wide challenge. People eligible for vaccinations haven’t been able to secure ap...

pauljamesbrown March 3, 2021

How much faster is Java 15?

Java 15 was released on the 15th of September 2020 and has promised to bring with it a few performance tweaks in its G1GC and ParallelGC garbage colle...

michaltomco January 25, 2021

Solve the facility location problem

We have created a new quickstart that extends OptaPlanner use case portfolio with the facility location problem and also demonstrates building a cloud...

Jiri Locker October 9, 2020

Drools Decision Tables in OptaPlanner: Put the user in control of the score function

Wondering how to use Drools decision tables in OptaPlanner?Take a look at this OptaPlanner blog post: Put the user in control of the score function....

Geoffrey De Smet April 17, 2014

OptaPlanner blog moved + Can MapReduce solve planning problems?

We’ve moved the OptaPlanner blog into the optaplanner.org website:  http://www.optaplanner.org/blog/It’s now fully integrated into th...

Geoffrey De Smet March 3, 2014

Construction Heuristics with multiple variables or multiple planning variables

Lately, OptaPlanner users have started asking questions how to configure the construction heuristics for multiple variables or multiple planning entit...

Geoffrey De Smet December 11, 2013

Vehicle Routing with Time Windows

A new video to demonstrate the Vehicle Routing problem with Time Windows (CVRPTW) in OptaPlanner 6.0.0.CR4:...

Geoffrey De Smet September 23, 2013