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CSCW
2010
ACM
14 years 4 months ago
An empirical study of critical mass and online community survival
There is general consensus that critical mass at inception ensures the sustained success of online communities. However, no clear understanding of what constitutes such a 'cr...
Daphne R. Raban, Mihai Moldovan, Quentin Jones
CSCW
2010
ACM
14 years 4 months ago
Determinants of wikipedia quality: the roles of global and local contribution inequality
The success of Wikipedia and the relative high quality of its articles seem to contradict conventional wisdom. Recent studies have begun shedding light on the processes contributi...
Ofer Arazy, Oded Nov
CSCW
2010
ACM
14 years 4 months ago
Warrants and deception in computer mediated communication
This article explores the operation of warrants, connections between online and real-world identities, on deceptive behavior in computer-mediated communication. A survey of 132 pa...
Darcy Warkentin, Michael Woodworth, Jeffrey T. Han...
CVPR
2010
IEEE
14 years 4 months ago
Moving Vistas: Exploiting Motion for Describing Scenes
Scene recognition in an unconstrained setting is an open and challenging problem with wide applications. In this paper, we study the role of scene dynamics for improved representa...
Nitesh Shroff, Pavan Turaga, Rama Chellappa
CHI
2010
ACM
14 years 2 months ago
Friends only: examining a privacy-enhancing behavior in facebook
Privacy practices in social network sites often appear paradoxical, as content-sharing behavior stands in conflict with the need to reduce disclosure-related harms. In this study ...
Fred Stutzman, Jacob Kramer-Duffield