In this paper, we propose a model for exploiting community based usage information for video retrieval. Implicit usage information from a pool of past users could be a valuable sou...
Social networking systems help people maintain connections to their friends, enabling awareness, communication, and collaboration, especially at a distance. In many studies of coo...
This paper presents a user recommendation system that recommends to a user new friends having similar interests. We automatically discover users’ interests using Latent Dirichle...
We examine tagging behavior on Flickr, a public photosharing website. We build on previous qualitative research that exposed a taxonomy of tagging motivations, as well as on socia...
Inspired by conversational visualization tools and the increasing enactment of relationships in social media, we examine how people reflect on friendships and how social data and ...