Combined with the characteristics of human organization, the paper introduces three different acquaintance concepts, promotes SOK model for cooperative problem solving and gives the cooperative process in detail.

• 同时,结合人类社会组织特点,引入三种不同的熟人概念,提出了合作求解的复合熟人模型SOK,并详细给出了SOK 模型下的合作求解过程。