Recent years have witnessed the dramatic popularity of online social networking services, in which millions of members publicly articulate mutual "friendship" relations....
We present the design, implementation and evaluation of a new geotagging service, Gloe, that makes it easy to find, rate and recommend arbitrary on-line content in a mobile settin...
Thomas Sandholm, Hang Ung, Christina Aperjis, Bern...
We consider the problem of interconnecting a simple type of social network: Instant Messaging services. Today, users are members of various IM communities such as AOL, Yahoo, and ...
We present findings from our study of a music sharing and remixing community in an effort to quantify and understand the structural characteristics of commons-based peer productio...
Email is one of the most successful computer applications yet devised. Our empirical data show however, that although email was originally designed as a communications application...