Combining integer programming and the randomization method to schedule employees

@article{Ingolfsson2010CombiningIP,
  title={Combining integer programming and the randomization method to schedule employees},
  author={Armann Ingolfsson and Fernanda Campello and Xudong Wu and Edgar Alberto Cabral},
  journal={European Journal of Operational Research},
  year={2010},
  volume={202},
  pages={153-163}
}
We describe a method to find low cost employee shift schedules that guarantee that the fraction of customers who wait less than a specified time (the service level) is always at or above a specified minimum. Most previous approaches used a two-step procedure: (1) determine period-by-period staffing requirements, and (2) find a minimum cost schedule that provides the required number of employees in every period. Due to approximations used in the first step, the two-step approach sometimes… CONTINUE READING
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