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User assistance, as implemented in most commercial computing applications deployed today, has a number of well documented limitations. Speech technology can be used to complement traditional user assistance techniques and mitigate some of these problems. This paper reports the results from a pilot study conducted on a speech-enabled user assistance system,(More)
1 ² One of the current usage issues regarding 3D virtual world environments, especially for children and elders, has been the complexity of the physical methods by which a user can interact with them. The typical arrangement involves relatively complex combinations of keyboard shortcuts with mouse movement and clicks. 3D controllers provide a possible(More)
A game controller, and how that controller is supported in a game, can have a significant impact on a player's gaming experience. In recent years there has been an increasing amount of computer game focused HCI research, but the impact of controller-related issues on user experience remains relatively unexplored. In this chapter we highlight the limitations(More)
Non-speech sounds and haptics have an important role in enabling access to user assistance material in ubiquitous computing scenarios. Non-speech sounds and haptics can be used to cue assistance material that is to be presented to users via speech. In this paper, we report on a study that examines user perception of the duration of a pause between a cue(More)