7911 Computational Models for Social Network Analysis -mining big social networks(Part l: Group and Structure) Jie tang Computer Science, Tsinghua University @WW2017
1 Jie Tang Computer Science, Tsinghua University @WWW’2017 Computational Models for Social Network Analysis —mining big social networks (Part III: Group and Structure)
Roadmap data Heterog U ser Tie Structure eneous Micro Macro tie Dynamic nfluence A User modeling Social tie/link Triad Formation Big&Big Demographics Homopt Communit Social role Social Influence Group Behavior social Social Theories Graph Theories BIG Networks
2 Roadmap User Tie Structure tie Influence - User Modeling - Demographics - Social Role - Social Tie/Link - Homophily - Social Influence - Triad Formation - Community - Group Behavior BIG Networks Social Theories Graph Theories Big&Big Dynamic Heterog eneous data social Micro Macro
Roadmap data Heterog U ser Tie Structure eneous Micro Macro tie Dynamic fluence User modeling Social tie/link Triad Formation Big&Big Demographics Homopt Community Social role Social Influence Group Behavior social Social Theories Graph Theories BIG Networks
3 Roadmap User Tie Structure tie Influence - User Modeling - Demographics - Social Role - Social Tie/Link - Homophily - Social Influence - Triad Formation - Community - Group Behavior BIG Networks Social Theories Graph Theories Big&Big Dynamic Heterog eneous data social Micro Macro
Two Questions How groups are formed in the social networks and what is the lifecycle of the different groups? How different people influence the information diffusion in the network- -structural hole
4 Two Questions • How groups are formed in the social networks and what is the lifecycle of the different groups? • How different people influence the information diffusion in the network—structural hole
Group chat in Wechat Group(5) ncel Group Chat 圈2 A Not Set Lukens Orthwein BGDHJKLNoP参w Luke Group OR Code Steve Group Capacity Christy Invite Sticky on Top Save to Contacts Mohammed (a) We Chat group membership(b) Membership invitation -2. 3 million groups generated every day .>25% messages are generated in group chats
5 Group Chat in WeChat •~2.3 million groups generated everyday •>25% messages are generated in group chats Steve Mohammed Luke Christy Invite Invite