In a recent paper published in Optimization Letters, Montoya et al. (Optim Lett 8:1721–1734, 2014) proposed a branch-and-price approach for a multi-skill project scheduling problem. In that paper, an integer linear programming formulation was first introduced which, unfortunately, has a number of inconsistences. At the interest of mathematical rigor, in this note, we refine such formulation.
CITATION STYLE
Correia, I., & Saldanha-da-Gama, F. (2015). A note on “branch-and-price approach for the multi-skill project scheduling problem.” Optimization Letters, 9(6), 1255–1258. https://doi.org/10.1007/s11590-014-0804-0
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