Nouha Sghaier

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Driven by the demographic variation in population and degradation of health care quality, we have witnessed in the recent years the explosion of healthcare applications market in order to provide high quality care. Wireless Sensor Networks (WSN) seem to be an attractive technology to deploy this type of applications thanks to their advantages of simplicity(More)
Network lifetime has become the key characteristic for evaluating sensor networks in an application-specific way. In this paper, we focus on Mobile Wireless Sensor Networks, which are specific opportunistic networks because of their poor connectivity among the mobile sensors, and thus it is difficult to form a well connected mesh network for transmitting(More)
The ubiquity of sensors-equipped mobile devices has enabled citizens to contribute data via participatory sensing systems. This emergent paradigm comes with various applications to improve users' quality of life. However, the data collection process may compromise the participants' privacy when reporting data tagged or correlated with their sensitive(More)
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