Abstract. While providing non-visual access to graphical user interfaces has been the topic of research for over 20 years, blind users still face many obstacles when using computer...
This paper explores the use of fast, simple computer vision techniques to add compelling visual capabilities to social user interfaces. Social interfaces involve the user in natur...
Nested User Interface Components combine the concepts of Zooming User Interfaces (ZUIs) with recursive nesting of active graphical user interface widgets. The resulting system of ...
Formal models of rational user behaviour are essential for user-centred reasoning about interactive systems. At an level, planned behaviour and reactive behaviour are two importan...
Theoretically motivated planning systems often make assumptions about their environments, in areas such as the predictability of action e ects, static behavior of the environment,...