Within a group of peers, it is often useful or interesting to know whether someone in the group has gone to bed or whether they have awakened in the morning. This information, nat...
Sunyoung Kim, Julie A. Kientz, Shwetak N. Patel, G...
Social content sites [4], which integrate traditional content sites with social networking features, have recently emerged as an exciting new trend on the Web. Users on those site...
Recommender algorithms have been quite successfully employed in a variety of scenarios from filtering applications to recommendations of movies and books at Amazon.com. However, a...
As Facebook has become global, users from different cultural and socio-political contexts have joined the site. We present a case study investigating how both current and historic...
The experience of a trusted group of colleagues can help users improve the quality and focus of their browsing and searching activities. How could a system provide such help, when...