Abstract
Several systems have been designed where a physical object is used to access digital information that is stored outside the object, but as yet no common vocabulary exists to describe such systems. We introduce a schema with three types of physical objects that can be linked to digital information: Containers are generic objects used to move information between different devices or platforms; tokens are used to access stored information, the nature of which is physically reflected in the token in some way; and tools are used to manipulate digital information. This paper gives special notice to token-based access system, and design implications for such systems are discussed. As an example of token-based access we have implemented WebStickers, where physical objects can be coupled with http://www pages. We present some examples of how tokens are used to access digital information in this system, and discuss future work in this area.
Acknowledgements
Thanks to our colleagues at the Viktoria Institute and to the HUC’99 reviewers, whose comments helped to improve this paper. This research was part of the Intelligent Environments project in the PROMODIS research program funded by NUTEK, the Swedish National Board for Industrial and Technical Development. Additional funding came from the Mobile Informatics program sponsored by SITI, the Swedish Institute for Information Technology.
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Holmquist, L.E., Redström, J., Ljungstrand, P. (1999). Token-Based Access to Digital Information. In: Gellersen, HW. (eds) Handheld and Ubiquitous Computing. HUC 1999. Lecture Notes in Computer Science, vol 1707. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48157-5_22
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DOI: https://doi.org/10.1007/3-540-48157-5_22
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