On approximation of the submodular set cover problem

On approximation of the submodular set cover problem

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Article ID: iaor20052289
Country: Netherlands
Volume: 25
Issue: 4
Start Page Number: 169
End Page Number: 174
Publication Date: Nov 1999
Journal: Operations Research Letters
Authors:
Keywords: combinatorial analysis, graphs
Abstract:

We design a primal–dual heuristic for the submodular set cover problem and analyze its performance giving an approximation bound as a generalization of the one for the set cover problem. As an application, a capacitated version of the partial vertex cover problem on hypergraphs with edge size at most d is considered. It will be shown that the problem can be approximated in polynomial time within a factor of d of the optimum, generalizing some existing results.

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