Studies have repeatedly shown that users are increasingly concerned about their privacy when they go online. In response to both public interest and regulatory pressures, privacy ...
Informal, sketch-based design tools closely match the work practices of user interface designers. Current tools, however, are limited in the size and complexity of interaction tha...
We investigate the use of on-line contextual video assistance to improve the learnability of software functionality. After discussing motivations and design goals for such forms o...
This paper discusses the use of formal methods for analysing human-computer interaction. We focus on the mode confusion problem that arises whenever the user thinks that the syste...