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CHI
2007
ACM
15 years 10 months ago
Perception of elementary graphical elements in tabletop and multi-surface environments
Information shown on a tabletop display can appear distorted when viewed by a seated user. Even worse, the impact of this distortion is different depending on the location of the ...
Daniel Wigdor, Chia Shen, Clifton Forlines, Ravin ...
CHI
2005
ACM
15 years 10 months ago
Supporting efficient development of cognitive models at multiple skill levels: exploring recent advances in constraint-based mod
This paper presents X-PRT, a new cognitive modeling tool supporting activities ranging from interface design to basic cognitive research. X-PRT provides a graphical model developm...
Irene Tollinger, Richard L. Lewis, Michael McCurdy...
CHI
2005
ACM
15 years 10 months ago
Breakaway: an ambient display designed to change human behavior
We present Breakaway, an ambient display that encourages people, whose job requires them to sit for long periods of time, to take breaks more frequently. Breakaway uses the inform...
Nassim Jafarinaimi, Jodi Forlizzi, Amy Hurst, John...
CHI
2004
ACM
15 years 10 months ago
IM here: public instant messaging on large, shared displays for workgroup interactions
Instant messaging (IM) in the workplace has proven to be a valuable tool for facilitating informal communication. Its benefits, however, are generally limited to times when users ...
Elaine M. Huang, Daniel M. Russell, Alison E. Sue
CHI
2004
ACM
15 years 10 months ago
Sharp or smooth?: comparing the effects of quantization vs. frame rate for streamed video
We introduce a new methodology to evaluate the perceived quality of video with variable physical quality. The methodology is then used to assess an existing guideline that high fr...
John D. McCarthy, Martina Angela Sasse, Dimitrios ...