Abstract
This chapter proposes an alternative branch-and-bound method in which decision diagrams take over the functions of the traditional relaxations and heuristics used in general-purpose optimization techniques. In particular, we show an enumeration scheme that branches on the nodes of a relaxed decision diagram, as opposed to variable-value assignments as in traditional branch-and-bound. We provide a computational study of our method on three classical combinatorial optimization problems, and compare our solution technology with mixed-integer linear programming. Finally, we conclude by showing how the diagram-based branch-and-bound procedure is suitable for parallelization, and provide empirical evidence of almost linear speedups on the maximum independent set problem.
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© 2016 Springer International Publishing Switzerland
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Bergman, D., Cire, A.A., van Hoeve, WJ., Hooker, J. (2016). Branch-and-Bound Based on Decision Diagrams. In: Decision Diagrams for Optimization. Artificial Intelligence: Foundations, Theory, and Algorithms. Springer, Cham. https://doi.org/10.1007/978-3-319-42849-9_6
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DOI: https://doi.org/10.1007/978-3-319-42849-9_6
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-42847-5
Online ISBN: 978-3-319-42849-9
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