Can Smartphone Co-locations Detect Friendship? It Depends How You Model It

08/07/2020

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by   Momin M. Malik, et al.

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We present a study to detect friendship, its strength, and its change from smartphone location data collectedamong members of a fraternity. We extract a rich set of co-location features and build classifiers that detectfriendships and close friendship at 30 schema to testour model performance in specific application settings, finding it robust to seeing new dyads and to temporalvariance.