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Geochemical Processes in Tropical Landscapes: Role of the Soil Covers

  • Boulet R
  • Lucas Y
  • Fritsch E
  • et al.
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Abstract

One of the most interesting applications of mobile sensing is monitoring of individual behavior, especially in the area of mental health care. Most existing systems require an interac-tion with the device, for example they may require the user to input his/her mood state at regular intervals. In this paper we seek to answer whether mobile phones can be used to un-obtrusively monitor individuals affected by depressive mood disorders by analyzing only their mobility patterns from GPS traces. In order to get ground-truth measurements, we have developed a smartphone application that periodically collects the locations of the users and the answers to daily question-naires that quantify their depressive mood. We demonstrate that there exists a significant correlation between mobility trace characteristics and the depressive moods. Finally, we present the design of models that are able to successfully pre-dict changes in the depressive mood of individuals by analyz-ing their movements.

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Boulet, R., Lucas, Y., Fritsch, E., & Paquet, H. (1997). Geochemical Processes in Tropical Landscapes: Role of the Soil Covers. In Soils and Sediments (pp. 67–96). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-60525-3_4

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