A Graph Coloring Model for a Feasibility Problem in Crew Scheduling

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We consider a crew scheduling problem with preferential bidding in the airline industry. We propose a new methodology based on a graph coloring model and a tabu search algorithm for determining if the problem contains at least one feasible solution. We then show how to combine the proposed approach with a heuristic sequential scheduling method that uses column generation and branch-and-bound techniques.

, 24 pages

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G-2005-34.pdf (200 KB)