Launch a quickstart and give it a few seconds to start up (especially if built from source).

School timetabling
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Assign lessons to timeslots and rooms to produce a better schedule for teachers and students.

Facility location problem
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Pick the best geographical locations for new stores, distribution centers, covid test centers or telco masts.

Maintenance scheduling
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Schedule maintenance jobs to crews over time to reduce both premature and overdue maintenance.

Call center
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Assign incoming calls to agents based on required skills while minimizing customer wait times.

Vehicle routing
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Find the most efficient routes for a fleet of vehicles.

Vaccination scheduling
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Assign people to vaccination injection appointments over time at vaccination centers to end a pandemic sooner.

Order picking
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Generate an optimal picking plan for completing a set of orders.

Employee Scheduling
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Schedule shifts to employees, accounting for employee availability and shift skill requirements.

OptaWeb Vehicle Routing
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Find the most efficient routes for a fleet of vehicles.

OptaWeb Employee Rostering
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Assign employees to shifts to improve shifts schedule.

OptaPlanner examples
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Many examples in desktop technology.