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Towards a Unified Model of Simple Physical and Virtual Environments

This paper presents a general modeling approach intended to facilitate design of physical-virtual environments. Although the model is based on elements found in typical office environments, certain care has been taken to open for the modeling of more diverse settings with minimal ontological changes. The design approach finds inspiration in the technology-driven areas of Ubiquitous/Pervasive Computing (Weiser, 1991) and Graspable/Tangible User Interfaces (Fitzmaurice, Ishii & Buxton, 1995) as well as more empirical and theoretical research on Knowledge Work (Drucker, 1973; Kidd, 1994), office organisation (Malone, 1983), and Distributed Cognition (Hollan, Hutchins & Kirsh, 2000).