Towards Exploring the Influence of Community Structures on Information Dissemination in Sina Weibo Networks

Figure 5

An example community structure of Sina Weibo information propagation tree. Each set of edges and nodes with same color forms a community. In fact, each community is actually a subgraph of the IPT, and it is also a tree structure. The central node of each community is often the first user to spread information in the community.