GVU Technical Report Number:
GIT-GVU-99-26
Title:
Interacting with Multiple Alternatives Generated by Recognition Technologies
Authors:
Jennifer Mankoff
Gregory D. Abowd
Scott Hudson
Abstract:
Despite significant advances in recognition technologies in areas such
as speech and gesture recognition, our experience tells us that
recognition errors and uncertainty are unlikely to disappear. For the
foreseeable future, use of recognition based systems will introduce
uncertainty into the input process. If interactive systems are going
to work robustly with recognition-based input, it will be necessary to
consider uncertainty as a normal part of input handling rather than
considering it to be an anomaly or an exceptional condition. This
paper considers techniques for explicit treatment of input uncertainty
in user interfaces. In particular, it considers a general class of
techniques for the display of, and interaction with, multiple
alternatives generated by recognition technologies. Augmentation of
the typical event-handling infrastructure is discussed, as well as an
application interface infrastructure which attempts to minimize the
impact of uncertainty on the application. A prototype system that
embodies this infrastructure is also considered.
Keywords:
Recognition systems, inputs with uncertainty, multiple alternative displays,
error handling, toolkits
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