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This article considers the importance of context in mobile systems. It considers a range of context-related issues and focus on location as a key issue for mobile systems. A design framework is described consisting of taxonomies of location, mobility, population, and device awareness. The design framework inorms the construction of a semantic model of space(More)
Virtual Reality has attracted much attention in CSCW as a means for providing 'Collaborative Virtual Environments'. In this paper an alternative use is made of VR for CSCW. Our work focuses not upon VR as an actual interface to CSCW systems but as a means for providing a rich environment in which to, firstly, represent the results of ethnographic study and,(More)
The paper presents a user interface toolkit to support the rapid construction of cooperative virtual environments. The toolkit is based on extending a 2D model of interaction to 3D virtual environments. The toolkit populates a virtual world with shared 3D interface objects which allow deeper semantic interaction with the virtual world. A principal focus of(More)
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