Authors: Hanafi, Saïd
Lazić, Jasmina
Mladenović, Nenad 
Wilbaut, Christophe
Crévits, Igor
Title: Hybrid variable neighbourhood decomposition search for 0-1 mixed integer programming problem
Journal: Electronic Notes in Discrete Mathematics
Volume: 36
Issue: C
First page: 883
Last page: 890
Issue Date: 1-Aug-2010
ISSN: 1571-0653
DOI: 10.1016/j.endm.2010.05.112
Abstract: 
In this paper we propose new hybrid heuristics for the 0-1 mixed integer programming problem, based on the variable neighbourhood decomposition search principle and on exploiting information obtained from a series of relaxations. In the case of a maximization problem, we add iteratively pseudo-cuts to the problem in order to produce a sequence of lower and upper bounds of the problem, so that integrality gap is reduced. We validate our approaches on the well-known 0-1 multidimensional knapsack problem, in which the general-purpose CPLEX MIP solver is used as a black box for solving subproblems generated during the search process. The results obtained with these methods are comparable with the current state-of-the-art heuristics on a set of large scale instances.
Keywords: 0-1 Mixed Integer Programming | Multidimensional Knapsack Problem | Variable Neighbourhood Search
Publisher: Elsevier

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