Solving Coalition Structure Generation Problems over Weighted Graph
Solving Coalition Structure Generation Problems over Weighted Graph
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DOI:
10.1007/978-3-030-33792-6_21
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发表时间:
2019-10
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影响因子:
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通讯作者:
Emi Watanabe;Miyuki Koshimura;Y. Sakurai;M. Yokoo
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文献类型:
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作者:
Emi Watanabe;Miyuki Koshimura;Y. Sakurai;M. Yokoo
Coalition Structure Generation (CSG), which is a leading research issue in the domain of coalitional games, divides agents into exhaustive and disjoint coalitions to optimize social welfare. This paper studies CSG problems over weighted undirected graphs in which the weight on an edge between any two connecting agents represents how well they work together in a coalition. The weight can have either a positive or a negative value. We examine two types of problems. One is a CSG without any restrictions on the number of coalitions, and another is a CSG with k coalitions wherekis determined in advance. We present two methods to solve these problems: ILP formulation and MaxSAT encoding.