Mobile social software is currently designed and conceived to afford serendipitous social interactions in densely populated urban environments. In this paper, I argue that these s...
Abstract. Social navigation in a community of practice (CoP) is an approach of locating information through increased social awareness. Designing support for social navigation requ...
While the size of popular Online Social Networks (OSNs) such as MySpace or Twitter has been reported to be in the tens or hundreds of millions of users (and growing), little is kn...
User retention is important to the success of online social media, particularly in virtual world settings where users shape one another’s online experience. We study a rich set ...
In this paper, we conducted a systematic comparative analysis of language in different contexts of bursty topics, including web search, news media, blogging, and social bookmarkin...