Sounds like a typical OptaPlanner problem. Domain model: - CareTaker - OldPerson - Day - Visit(OldPerson, Day) - @PlanningEntity VisitAssignment (Visit, @PlanningVariable CareTaker) Using the OptaPlanner employee rostering example: - CareTaker == Employee - OldPerson == ShiftType - Day == ShiftDate - Visit(OldPerson, Day) == Shift (ShiftType, ShiftDate) - @PlanningEntity VisitAssignment (Visit, @PlanningVariable CareTaker) == ShiftAssignment (Shift, @PlanningVariable Employee) -- View this message in context: http://drools.46999.n3.nabble.com/A-employee-roster-like-case-tp4029352p4... Sent from the Drools: User forum mailing list archive at Nabble.com.