Pointing is a natural way of communicating. Children in all cultures use pointing inherently. Attaching tags to our environment enables interaction by pointing. Visual tags are a g...
The needs of blind and visually impaired users are seriously under-investigated in CSCW. We review work on assistive interfaces especially concerning how collaboration between sig...
To build systems shielding users from fraudulent (or phishing) websites, designers need to know which attack strategies work and why. This paper provides the first empirical evide...
Although some guidelines (e.g., based on architectural principles) have been proposed for designing Virtual Environments (VEs), several usability problems can be identified only b...
Volume rendering is a valuable and important technique for scientific visualization. One well known application area is the reconstruction and visualization of output from medica...
Roger C. Tam, Christopher G. Healey, Borys Flak, P...