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WWW
2009
ACM
15 years 10 months ago
2009
ACM
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
CHI
2009
ACM
15 years 10 months ago
2009
ACM
The input vocabulary for touch--screen interaction on handhelds is dramatically limited, especially when the thumb must be used. To enrich that vocabulary we propose to discrimina...
CHI
2008
ACM
15 years 10 months ago
2008
ACM
Many observers have praised new communication technologies for providing convenient and affordable tools for maintaining relationships at a distance. Yet the precise role of media...
CHI
2008
ACM
15 years 10 months ago
2008
ACM
Web search is often viewed as a solitary task; however, there are many situations in which groups of people gather around a single computer to jointly search for information onlin...
CHI
2008
ACM
15 years 10 months ago
2008
ACM
In this paper, we reflect on the design and deployment process of MAGICBoard, a public display deployed in a university setting that solicits the electronic votes and opinions of ...