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Article Dans Une Revue Engineering Applications of Artificial Intelligence Année : 2015

Unsupervised discovery of activities of daily living characterized by their periodicity and variability

Résumé

Habits characterize the activities of elderly people. Monitoring their habits and their ability to carry out the activities of daily living is a great challenge in order to improve aging at home. In particular, the detection of changes in regular behavior may help to detect emerging disorders. The emergence of smart homes and sensor networks allow the non-intrusive collection of data describing the activities in the home. The collected data is indeed an objective source to mine periodic patterns representing the habits of a particular individual. Extended Episode Discovery (xED) algorithm is described and discussed. This algorithm searches for regular patterns, highlighting the periodicity and variability of each discovered pattern. This approach allows a high adaptability to different users and lifestyles. Experiments on six real-life datasets illustrate the interest of xED.
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Dates et versions

hal-01188640 , version 1 (31-08-2015)

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Julie Soulas, Philippe Lenca, André Thépaut. Unsupervised discovery of activities of daily living characterized by their periodicity and variability. Engineering Applications of Artificial Intelligence, 2015, 45, pp.90 - 102. ⟨10.1016/j.engappai.2015.06.006⟩. ⟨hal-01188640⟩
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