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Location is one of the most important context information that an
ubiquitous-computing application may leverage. Thus understanding the
location systems and how location-aware applications interact with
them is critical for design and deployment of both the location
systems and location-aware applications. In this paper, we analyze a
set of traces collected from two small-scale one-building location
system and two large-scale campus-wide location systems. Our goal is
to study characteristics of these location systems ant how these
factors should be taken into account by a potentially large number of
location-aware applications with different needs. We make empirical
measurements of several important metrics and compare the results
across these location systems. We discuss the implication of these
results on location-aware applications and their supporting software
infrastructure, and how location systems could be improved to better
serve applications' needs. In places where possible, we use
location-aware applications discussed in existing literatures as
Bibliographic citation for this report: [plain text] [BIB] [BibTeX] [Refer]
Or copy and paste:
Guanling Chen and David Kotz, "A Case Study of Four Location Traces." Dartmouth Computer Science Technical Report TR2004-490, February 2004.
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