A computational evaluation of a general branch-and-price framework for capacitated network location problems

Alberto Ceselli, Federico Liberatore and Giovanni Righini ()

Annals of Operations Research, 2009, vol. 167, issue 1, 209-251

Abstract: The purpose of this paper is to illustrate a general framework for network location problems, based on column generation and branch-and-price. In particular we consider capacitated network location problems with single-source constraints. We consider several different network location models, by combining cardinality constraints, fixed costs, concentrator restrictions and regional constraints. Our general branch-and-price-based approach can be seen as a natural counterpart of the branch-and-cut-based commercial ILP solvers, with the advantage of exploiting the tightness of the lower bound provided by the set partitioning reformulation of network location problems. Branch-and-price and branch-and-cut are compared through an extensive set of experimental tests. Copyright Springer Science+Business Media, LLC 2009

Keywords: Network location; Branch-and-price; Branch-and-cut; Integer programming (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1007/s10479-008-0375-5

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