Fri 8 May 2020
Christopher Chianelli
Scheduling a hospital is tough. To maintain employees' happiness and health, you need to take into account sick days, days off requests, and assure the employees have ample time between shifts. This is doubly so in a pandemic, where you need to minimize exposure to the new disease and have nurses with varying susceptibilities...
Tue 5 May 2020
Christopher Chianelli
A BPMN diagram models a Business Process. When the Business Process involves optimization at some step, OptaPlanner can help you quickly find an optimal solution. Now with Kogito, it is easier than ever before to integrate OptaPlanner into your BPMN diagrams! It so simple, that by the end of this blog, you will create a...
Wed 18 December 2019
Christopher Chianelli
Many workplaces host a "Secret Santa", where each employee gets assigned a coworker whom they need to buy a present for. This fosters good relations between the employees and brings them closer together. But what about global companies, where coworkers may be many miles apart? Ideally, we want employees who are further apart to...
Thu 9 May 2019
Geoffrey De Smet
This year, my team and I participated in the Red Hat Summit keynote. In front of 7000 people, we demonstrated real-time scheduling, reacting on input coming from the audience’s smartphones. In the past 2 months, we created this application together with the other middleware teams and under the excellent guidance of Burr Sutter. It integrates...
Wed 13 March 2019
Musa Talluzi
KIE Server is a standalone server component that can be used to instantiate and execute rules and processes. In this blog, you will learn how to build an OptaPlanner service that implements continuous and real-time planning to solve the Task Assignment problem and deploy it to the KIE Server. Task Assignment KJAR KJAR or "Knowledge...
Mon 19 November 2018
Sudheer Chekka
The Mobile Portfolio Truck is Red Hat’s 18-wheel semi truck bringing enterprise IT solutions to customers which includes demo kiosks and hands-on experience with Red Hat’s portfolio. Our goal is to optimize the route of this truck to reach most customers to maximize revenue opportunity and reduce fuel consumption. The Red Hat sales team...
Tue 21 August 2018
Musa Talluzi
The business experts explain the business constraints to us, the developers. But how can we be sure that we understood them correctly? Or worse, how can we test that they agree among themselves once the constraints are formalized? Well, there’s one great way to do that: JUnit tests populated by *.xlsx data....
Wed 25 July 2018
Justin Goldsmith
Over the years, politicians have redrawn electoral voting lines to gain an unfair advantage. This has led to district boundaries with shapes that have no obvious pattern or reason other than political gain. When districts are redrawn you can sway an election’s results without changing a single voter’s mind. Can OptaPlanner draw fair...
Wed 23 May 2018
Geoffrey De Smet
Earlier this month, Red Hat organized it’s annual Summit conference in San Francisco for more than 7000 attendees. As Jim Whitehurst explained in his opening keynote, OptaPlanner optimized attendee experience by scheduling all of the 325 non-keynote sessions. Let’s take a look behind the scenes. The challenge (in theory) A few weeks after the CFP...
Mon 19 February 2018
Mario Fusco
My name is Mario Fusco and I’m honored to be the Program Committee Lead of Voxxed Days Zurich for the third year in a row. Reading, evaluating, discussing, and selecting from the 200+ proposals that arrive every year is a long and challenging process. I must admit, I largely underestimated the task the...
Walter Medvedeo
Christopher Chianelli
Christopher Chianelli
Geoffrey De Smet
Christopher Chianelli
Julian Cui
Radovan Synek
Walter Medvedeo
Geoffrey De Smet
Geoffrey De Smet
Jiří Locker
Geoffrey De Smet
Geoffrey De Smet
Geoffrey De Smet
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Assigning jBPM human tasks with OptaPlanner