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206
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PERCOM
2011
ACM
14 years 10 months ago
2011
ACM
—In this paper, we consider the problem of tracking fine-grained speeds variations of vehicles using signal strength traces from GSM enabled phones. Existing speed estimation te...
282
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SIGMETRICS
2011
ACM
14 years 9 months ago
2011
ACM
Despite the tremendous growth in the cellular data network usage due to the popularity of smartphones, so far there is rather limited understanding of the network infrastructure o...
194
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CVPR
1999
IEEE
16 years 8 months ago
1999
IEEE
To navigate reliably in indoor environments, a mobile robot must know where it is. This includes both the ability of globally localizing the robot from scratch, as well as trackin...
202
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CHI
2009
ACM
16 years 7 months ago
2009
ACM
Digital pen systems, originally designed to digitize annotations made on physical paper, are evolving to permit a wider variety of applications. Although the type and quality of p...
167
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CHI
2008
ACM
16 years 7 months ago
2008
ACM
Many mobile phones integrate services such as personal calendars. Given the social nature of the stored data, however, users often need to access such information as part of a pho...