A note on "branch-and-price approach for the multi-skill project scheduling problem"

Isabel Correia, Francisco Saldanha-da-Gama

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)1255-1258
Number of pages4
JournalOptimization Letters
Issue number6
Publication statusPublished - Aug 2015


  • Project scheduling
  • Multi-skilled resources
  • MILP models


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