Ruan, Yiye,(The Ohio State University) “Joint Dynamic Online Social Network Analytics Using Network, Content and User Characteristics”, Advisor: Srinivasan Parthasarathy Online social networks (OSNs) allow Internet users all over the globe to share information, exchange thoughts, and work collaboratively. Not only do OSNs provide a channel of broadcasting real-world events as they unfold, they also enable a convenient way for users to exchange experience and opinions.