重み付き部分MaxSAT問題における基数制約符号化手法の改良

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タイトル別名
  • Improvement in CNF Encording of Cardinal Constraints for Weighted Partial MaxSAT
  • オモミズキ ブブン MaxSAT モンダイ ニ オケル キスウ セイヤク フゴウカ シュホウ ノ カイリョウ

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抄録

<p>Weighted Partial MaxSAT(WPMS) is a generalization of Satisfiability problem. Many optimization problems can be reduced to WPMS in polynomial time. So it is important to develop MaxSAT solvers. Cardinality constraints plays important role in solving MaxSAT. In this paper, we propose Weighted Totalizer(WTO) and Partial Encording(PE). WTO is based on Totalizer(TO), and use less variables and clauses than TO. PE is a new encording method, which is optimized for particular WPMS problems. Our experimental results show the effectiveness of these methods.</p>

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