GVU Technical Report Number:
GIT-GVU-00-14
Title:
Distributed Mediation of Imperfectly Sensed Context in Aware Environments
Authors:
Anind Dey
Jennifer Mankoff
Gregory D. Abowd
Abstract:
Current context-aware services make the assumption that the context they
are dealing with is correct. However, in reality, both sensed and
interpreted context is often imperfect. In this paper, we describe an
architecture that supports the building of context-aware services that
assume context is imperfect and allows for the refinement of this
imperfect context by mobile users in aware-environments. We discuss the
architectural mechanisms and design heuristics that arise from supporting
this refinement over space and time. We illustrate the use of our
architecture and heuristics through two example context-aware services,
an In-Out Board for the home and a situation-aware reminder tool.
Keywords:
Context-aware computing, distributed mediation, aware environments,
ubiquitous computing, mobile computing
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