GVU Technical Report Number:
GIT-GVU-99-29
Title:
Designing for Ubiquitous Computing: A Case Study in Context Sensing
Authors:
Daniel Salber
Anind K. Dey
Robert J. Orr
Gregory D. Abowd
Abstract:
This paper reports ongoing experience with the design and everyday use of
an electronic context-enabled in/out board. We designed this application
as part of the development of a context toolkit and it proved a fruitful
test-bed for investigating issues of context sensor fusion. We describe
the first version of the application that used a single context sensor
and explain some usability problems it raised. We analyze the limitations
of available context sensors and conclude that the usability problems
cannot be overcome using a single sensor. We suggest solutions relying
on the use of multiple context sensors and sensor fusion.
Keywords:
Sensing, sensor fusion, ubiquitous computing
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