A Testbed for Evaluating Human Interaction with Ubiquitous Computing Environments
TRIDENTCOM '05 Proceedings of the First International Conference on Testbeds and Research Infrastructures for the DEvelopment of NeTworks and COMmunities
Creation and Visualization of User Behavior in Ambient Intelligent Environment
IV '08 Proceedings of the 2008 12th International Conference Information Visualisation
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Usability evaluation in ubiquitous computing environments is a rapidly developing research area in human computer interaction because most of the traditional evaluation methods are difficult to apply for this purpose. The paper discusses the idea of using virtual environments to conduct evaluation. Until now, we can conduct real time scenarios in a 2D based virtual environment called ViSE. But there are a number of disadvantages when using real time scenario evaluation. For instance, we cannot specify concurrent user behavior in an acceptable way. For the specification of such a behavior a system is needed where the start and end times of every user action can be specified in the scenario definition. We introduce an approach that can improve existing approaches by associating time lines for users, devices and items belonging to the ubiquitous computing environment. As a result, the expert is able to evaluate concurrent interacting test cases which are crucial for collaborative systems.