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Summary: BrickRoad: A Light-Weight Tool for Spontaneous Design of
Location-Enhanced Applications
Alan L. Liu & Yang Li
DUB Group
Computer Science and Engineering
University of Washington
Seattle, WA 98195-2350
{aliu, yangli}@cs.washington.edu
ABSTRACT
It is difficult to design and test location-enhanced
applications. A large part of this difficulty is due to the
added complexity of supporting location. Wizard of Oz
(WOz) has become an effective technique for the early
stage design of location-enhanced applications because it
allows designers to test an application prototype by
simulating nonexistent components such as location
sensing. However, existing WOz tools 1) require nontrivial
effort from designers to specify how a prototype should
behave before it can be tested with end users, and 2)
support only limited control over application behavior
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