In ubiquitous computing era, the notion of context-awareness will play an important role. An application should be aware of its operating context for supporting and enriching huma...
Graphical passwords are an alternative to alphanumeric passwords in which users click on images to authenticate themselves rather than type alphanumeric strings. We have developed...
Susan Wiedenbeck, Jim Waters, Jean-Camille Birget,...
A novel method is introduced to recognize and estimate the scale of time-varying human gestures. It exploits the changes in contours along spatio-temporal directions. Each contour...
Although gender differences in a technological world are receiving significant research attention, much of the research and practice has aimed at how society and education can imp...
Laura Beckwith, Margaret M. Burnett, Susan Wiedenb...
Cryptographically protected email has a justly deserved reputation of being difficult to use. Based on an analysis of the PEM, PGP and S/MIME standards and a survey of 470 merchan...
Simson L. Garfinkel, David Margrave, Jeffrey I. Sc...