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Location is an important context in everyday activity. Outdoor positioning, through the use of the Global Positioning System (GPS), has been a mature technology. Indoor localisation, on the other hand, is still an active research area. While many popular techniques utilise new specialised, dedicated devices to enable precise indoor positioning, our investigation aims to solve the indoor localisation...
Risk of psychotic relapse in schizophrenic patients is commonly measured by social functioning (SF), which focuses on patients' daily activities. Monitoring of SF usually relies on infrequent clinic visits, limiting the capacity to detect sudden changes. GPS data that is passively collected with smartphones introduce new opportunities to monitor SF. We conducted a five-day pilot study with five schizophrenic...
Increasing population density, closer social contact and interactions make epidemic control difficult. Traditional offline epidemic control methods (e.g., using medical survey or medical records) or model-based approach are not effective due to its inability to gather health data and social contact information simultaneously or impractical statistical assumption about the dynamics of social contact...
In this paper we propose an approach that allows one to get information about the social network of an individual by complementing the information provided by its (smart)phone with the data publicly available on the net. Our approach is based on a profile graph, whose nodes are the people involved and the (weighted) edges represent their mutual links. In a first phase, a preliminary version of the...
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