With hundreds of millions of participants, social media services have become commonplace. Unlike a traditional social network service, a microblogging network like Twitter is a hy...
Recent years have witnessed the dramatic popularity of online social networking services, in which millions of members publicly articulate mutual "friendship" relations....
There is an explosion of community-generated multimedia content available online. In particular, Flickr constitutes a 200-million photo sharing system where users participate foll...
We describe a usage study of Netscan\Tech, a system that generates and publishes daily a range of social metrics across three dimensions: newsgroup, author, and thread, for a set ...
A. J. Bernheim Brush, Xiaoqing Wang, Tammara Combs...
Extremists’ exploitation of computer-mediated communications such as online forums has recently gained much attention from academia and the government. However, due to the cover...