Solving WCSP by Extraction of Minimal Unsatisfiable Cores

04/19/2013

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by   Christophe Lecoutre, et al.

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Usual techniques to solve WCSP are based on cost transfer operations coupled with a branch and bound algorithm. In this paper, we focus on an approach integrating extraction and relaxation of Minimal Unsatisfiable Cores in order to solve this problem. We decline our approach in two ways: an incomplete, greedy, algorithm and a complete one.