Gestures are a powerful way to specify both objects and operations with a single mark of a stylus or mouse. We have extended an existing user interface toolkit to support gestures...
This paper describes some recent experiments that assess user behavior in a multi-modal environment in which actions can be performed with equivalent effect in speech, keyboard or...
The object-oriented history mechanism of the GINA application framework and its relevance for multi-user applications are demonstrated. The interaction history of a document is re...
A common task at almost any computer interface is that of searchingfordocuments,whichGUIstypicallyrepresentwith icons. Oddly, little research has been done on the processes underl...
Modern computer users must often sift and manage vast amounts of hierarchically structured information. However, conventional interface tools have not kept pace with the informati...