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WWW
2010
ACM
15 years 1 days ago
How useful are your comments?: analyzing and predicting youtube comments and comment ratings
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...
WWW
2006
ACM
16 years 15 days ago
Invisible participants: how cultural capital relates to lurking behavior
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 ...
Vladimir Soroka, Sheizaf Rafaeli
JCHE
2010
120views more  JCHE 2010»
14 years 6 months ago
The virtual campus of the future: stimulating and simulating civic actions in a virtual world
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...
Marina Umaschi Bers, Clement Chau
ICONFERENCE
2011
14 years 6 months ago
Beyond promotion and protection: creators, audiences and common ground in user-generated media
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...
Eric C. Cook, Stephanie D. Teasley
HT
1998
ACM
15 years 4 months ago
Toward an Ecology of Hypertext Annotation
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 ...
Catherine C. Marshall