Sciweavers

CSCW
2012
ACM
12 years 19 days ago
Technology-mediated contributions: editing behaviors among new wikipedians
The power-law distribution of participation characterizes a wide variety of technology-mediated social participation (TMSP) systems, and Wikipedia is no exception. A minority of a...
Judd Antin, Coye Cheshire, Oded Nov
CSCW
2012
ACM
12 years 19 days ago
To stay or leave?: the relationship of emotional and informational support to commitment in online health support groups
Today many people with serious diseases use online support groups to seek social support. For these groups to be sustained and effective, member retention and commitment is import...
Yi-Chia Wang, Robert Kraut, John M. Levine
CSCW
2012
ACM
12 years 19 days ago
Markup as you talk: establishing effective memory cues while still contributing to a meeting
Meeting participants can experience cognitive overload when they need both to verbally contribute to ongoing discussion while simultaneously creating notes to promote later recall...
Steve Whittaker, Vaiva Kalnikaité, Patrick ...
CSCW
2012
ACM
12 years 19 days ago
Tweeting is believing?: understanding microblog credibility perceptions
Meredith Ringel Morris, Scott Counts, Asta Roseway...
CSCW
2012
ACM
12 years 19 days ago
Investigating effects of visual and tactile feedback on spatial coordination in collaborative handheld systems
Mobile and handheld devices have become platforms to support remote collaboration. But, their small form-factor may impact the effectiveness of the visual feedback channel often u...
Koji Yatani, Darren Gergle, Khai N. Truong
CSCW
2012
ACM
12 years 19 days ago
PicoTales: collaborative authoring of animated stories using handheld projectors
In this article we describe a novel approach to collaborative video authoring using handheld projectors. PicoTales are created by sketching story elements on a projector+phone pro...
Simon Robinson, Matt Jones, Elina Vartiainen, Gary...
CSCW
2012
ACM
12 years 19 days ago
DiscoTech: a plug-in toolkit to improve handling of disconnection and reconnection in real-time groupware
Disconnection and reconnection are common problems for users of synchronous groupware, but these problems are not easy for developers to handle because of the wide range of scenar...
Banani Roy, T. C. Nicholas Graham, Carl Gutwin
CSDA
2011
12 years 8 months ago
A nonparametric-test-based structural similarity measure for digital images
: In image processing, image similarity indices evaluate how much structural information is maintained by a processed image in relation to a reference image. Commonly used measures...
Haiyan Wang, Diego Maldonado, Sharad Silwal
CSDA
2011
12 years 8 months ago
Iterative stepwise regression imputation using standard and robust methods
Imputation of missing values is one of the major tasks for data pre-processing in many areas. Whenever imputation of data from official statistics comes into mind, several (additi...
Matthias Templ, Alexander Kowarik, Peter Filzmoser