An analysis of the social video sharing platform YouTube reveals a high amount of community feedback through comments for published videos as well as through meta ratings for thes...
Stefan Siersdorfer, Sergiu Chelaru, Wolfgang Nejdl...
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...
This paper presents a pre-orientation program for incoming college students, Active Citizenship through Technology (ACT), that engaged students in civic dialogue early in their aca...
In this paper, we present findings from a qualitative study of producers in a specific creative domain—online digital photography. We used social psychology and linguistic conce...
Annotation is a key way in which hypertexts grow and increase in value. This paper first characterizes annotation according to a set of dimensions to situate a long-term study of ...