4 papers
Stochastic Models of User-Contributory Web Sites
Tad Hogg, Kristina Lerman
We describe a general stochastic processes-based approach to modeling user-contributory web sites, where users create, rate and share content. These models describe aggregate measu…
Analysis of Social Voting Patterns on Digg
Kristina Lerman, Aram Galstyan
The social Web is transforming the way information is created and distributed. Blog authoring tools enable users to publish content, while sites such as Digg and Del.icio.us are us…
Community Detection using a Measure of Global Influence
Rumi Ghosh, Kristina Lerman
The growing popularity of online social networks has provided researchers with access to large amount of social network data. This, coupled with the ever increasing computation spe…
Constructing Folksonomies from User-specified Relations on Flickr
Anon Plangprasopchok, Kristina Lerman
Many social Web sites allow users to publish content and annotate with descriptive metadata. In addition to flat tags, some social Web sites have recently began to allow users to o…