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Strategy of agent coalition formation based on outstanding coalition

In Multi-Agent System(MAS), agents solve tasks by coalition formed through cooperation. In this paper, combining with Chinese question answering system, the concept “outstanding coalition” is proposed based on class of question sentence. Further more, strategy of agent coalition formation based on outstanding coalition is proposed. The performance of the strategy is analyzed, and it is proved theoretically that the strategy can improve MAS's cooperation efficiency, simplify the calculation, the coalition formed by it is of high stability.