Multi-Activity Shift Scheduling Marie-Claude Côté Département de mathématiques appliquées et génie industriel, École Polytechnique de Montréal, Montréal, Canada Interuniversity Research Center on Enterprise Networks, Logistics and Transportation, Montréal, Canada {[email protected]} Bernard Gendron Département d’informatique et de recherche opérationnelle, Université de Montréal, Montréal, Cana...

We study a shift scheduling problem for call centers with an overall service level objective. We prove a property of this problem, called multimodularity, that ensures that a local search algorithm terminates with a globally optimal solution. We report on computations we did with real call center data.

Addressing an integrated decision-making structure for planting and harvesting scheduling may lead to more realistic, accurate, and efficient decision in fresh product supply chain. This study aims to develop an integrated bi-objective tactical and operational planning model for producing and distributing fresh crops. The first objective of the model is to maximize total revenue of supply chain...

We introduce the notion of a scheduling problem which is a boolean function S over atomic formulas of the form xi ≤ xj . Considering the xi as jobs to be performed, an integer assignment satisfying S schedules the jobs subject to the constraints of the atomic formulas. The scheduling counting function counts the number of solutions to S. We prove that this counting function is a polynomial in t...

This article examines how electronic customer relationship management (e-CRM) has affected both organizational and individual behavior in a leading Canadian bank. The innovative and customer-driven culture of this bank pushed it toward early adoption of e-CRM technology. The findings emphasize the role played by many strategic and organizational dimensions in the success of e-CRM implementation...

In this paper we deal with shift scheduling of tank trucks for a small oil company. Given are a set of tank trucks with different characteristics and a set of drivers with different skills. The objective is to assign a feasible driver to every shift of the tank trucks such that legal and safety restrictions are satisfied, the total working times of the drivers are within desired intervals, requ...

This paper considers a multi-periodic multi-shift call center staffing problem with two types of jobs: calls and emails. The arrival rate of calls is random and the workforce presents some flexibility: the agents can be affected to one job type in real-time. At each period of the day, a service quality constraint limits the waiting time for a call. The staffing problem is modeled as a newsboy-t...

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