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177
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CHI
2009
ACM
16 years 7 months ago
2009
ACM
Mobile phones are becoming increasingly personalized in terms of the data they store and the types of services they provide. At the same time, field studies have reported that the...
156
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MOBISYS
2009
ACM
16 years 7 months ago
2009
ACM
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...
152
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CHI
2008
ACM
16 years 6 months ago
2008
ACM
As services embedded into public spaces become increasingly transparent, one peripheral aspect of use continues to demand explicit user attention: payment. UbiPay is a system that...
120
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CHI
2007
ACM
16 years 6 months ago
2007
ACM
In India there is an inequitable distribution of wealth & resources; while 70 % of population lives in villages, about 80 % of ophthalmologists practice in cities [4]. India h...
154
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CHI
2007
ACM
16 years 6 months ago
2007
ACM
This paper presents a project to improve the public transportation in the city of Huajuapan de Le?n, Oaxaca, M?xico. Interactive Multimedia Stations (EMI, for its Spanish acronym)...