Research on user influence based on double social network

In the environment of social e-commerce, the user's relationship is not single, but has a strong and weak relationships. In this paper, a double-social network analysis method is proposed to calculate the user's influence in the double social network with strong contact layer and weak contact layer. The study shows that there is a certain amount of centralization in social networks, and most of the relationships are in the hands of a small number of users, which is important to grasp the user's interaction in the network; We need to layer the social network when calculating the influence of the user.