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In this paper, we introduce the novel concept of cost-effective mobile health care which leverages the multiple wireless interfaces onboard most mobile phones today. First, we study the problem of uploading medical data using the “least cost” radio interface. Toward this objective, we propose the wireless interface selection algorithm (WISA) which decides the wireless interface yielding the least...
Mobility traces have been widely used in the design and evaluation of mobile networks. To mitigate the privacy threat of publishing mobility traces, the traces are often anonymized and obfuscated. However, even with anonymization and obfuscation techniques, traces can still be deanonymized by exploiting some side information such as users' co-location. With online social networks, mobile users increasingly...
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