Analysis of three mathematical models of the Staff Rostering Problem

  • Authors:
  • É. Naudin;P. Y. Chan;M. Hiroux;T. Zemmouri;G. Weil

  • Affiliations:
  • Equitime, Gières, France 38610 and Eurodecision, Versailles, France 78000;Equitime, Gières, France 38610;Equitime, Gières, France 38610;Equitime, Gières, France 38610;Equitime, Gières, France 38610

  • Venue:
  • Journal of Scheduling
  • Year:
  • 2012

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Abstract

Staff rostering is a major challenge in the service sector, where exploitation costs are essentially made up of staffing costs. Searching for an optimum has direct economic returns but the rosters must satisfy numerous legal constraints. This paper presents work on an exact approach using branch-and-price methods on a concrete situation. We develop three MILP models and extend them with valid inequalities to two cases. Their computation results on a set of 960 tests covering several scenarios will then be compared and analyzed.