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An enhanced rostering model for airline crews. (English) Zbl 0990.90062
Summary: This paper introduces an efficient adaptation of the branch-and-bound technique that solves real-world rostering problems for airline crews. The efficiency of the algorithm is based on the exploitation of rostering-specific properties (e.g. variable selection, branching strategy and cutting-planes). This approach shortens the solution process and outperforms standard techniques. Furthermore, we formally introduce a general concept of downgrading that makes it possible to solve certain rostering problems that might otherwise have no solution. This paper also computes a sample monthly schedule on the basis of a medium-sized European airline’s real data.

MSC:
90B80Discrete location and assignment
90B35Scheduling theory, deterministic
90C57Polyhedral combinatorics, branch-and-bound, branch-and-cut
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References:
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