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Title of Journal: Ann Oper Res

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Abbravation: Annals of Operations Research

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Springer US

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DOI

10.1007/bf02727767

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1572-9338

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A computational evaluation of a general branchand

Authors: Alberto Ceselli Federico Liberatore Giovanni Righini
Publish Date: 2008/06/12
Volume: 167, Issue: 1, Pages: 209-
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Abstract

The purpose of this paper is to illustrate a general framework for network location problems based on column generation and branchandprice In particular we consider capacitated network location problems with singlesource constraints We consider several different network location models by combining cardinality constraints fixed costs concentrator restrictions and regional constraints Our general branchandpricebased approach can be seen as a natural counterpart of the branchandcutbased commercial ILP solvers with the advantage of exploiting the tightness of the lower bound provided by the set partitioning reformulation of network location problems Branchandprice and branchandcut are compared through an extensive set of experimental tests

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