The world through the computer: computer augmented interaction with real world environments
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Design principles for interactive software
Design principles for interactive software
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Proceedings of the 14th annual ACM symposium on User interface software and technology
An annotated situation-awareness aid for augmented reality
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EHCI '01 Proceedings of the 8th IFIP International Conference on Engineering for Human-Computer Interaction
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DSV-IS '01 Proceedings of the 8th International Workshop on Interactive Systems: Design, Specification, and Verification-Revised Papers
Notational Support for the Design of Augmented Reality Systems
DSV-IS '02 Proceedings of the 9th International Workshop on Interactive Systems. Design, Specification, and Verification
Task Modelling in Multiple Contexts of Use
DSV-IS '02 Proceedings of the 9th International Workshop on Interactive Systems. Design, Specification, and Verification
UML and User Interface Modeling
«UML» '98 Selected papers from the First International Workshop on The Unified Modeling Language «UML»'98: Beyond the Notation
ConcurTaskTrees: A Diagrammatic Notation for Specifying Task Models
INTERACT '97 Proceedings of the IFIP TC13 Interantional Conference on Human-Computer Interaction
PERVASIVE'06 Proceedings of the 4th international conference on Pervasive Computing
Interactive data annotation in virtual environments
EGVE'06 Proceedings of the 12th Eurographics conference on Virtual Environments
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Currently very few techniques are available to support the design of Augmented and Mixed Reality (MR) systems. Task elicitation is more complex for MR systems than for traditional information systems. Having multiple sources of information and two worlds of interaction (real and virtual) involves making choices about what to attend to and when. Interaction based on traditional input and output devices is not effective in a mixed scenario. It distracts the user from the task at hand and may create a severe cognitive seam. Understanding, formalizing and modeling such aspects can help designers to assess interaction at all the stages of development. We are interested in focused applications that require the user's hand free for real world tasks and to understand how the user's task focus drives designing MR systems. The contribution of this paper is twofold: it first illustrates the specific requirements posed by such systems and then it shows through a study case that there is currently no complete support to model these aspects among the tools commonly employed for task modeling.