Friends don't lie: inferring personality traits from social network structure

  • Authors:
  • Jacopo Staiano;Bruno Lepri;Nadav Aharony;Fabio Pianesi;Nicu Sebe;Alex Pentland

  • Affiliations:
  • University of Trento, Trento, Italy;MIT Media Lab, Cambridge, Ma;MIT Media Lab, Cambridge, Ma;Fondazione Bruno Kessler, Trento, Italy;University of Trento, Trento, Italy;MIT Media Lab, Cambridge, Ma

  • Venue:
  • Proceedings of the 2012 ACM Conference on Ubiquitous Computing
  • Year:
  • 2012

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Abstract

In this work, we investigate the relationships between social network structure and personality; we assess the performances of different subsets of structural network features, and in particular those concerned with ego-networks, in predicting the Big-5 personality traits. In addition to traditional survey-based data, this work focuses on social networks derived from real-life data gathered through smartphones. Besides showing that the latter are superior to the former for the task at hand, our results provide a fine-grained analysis of the contribution the various feature sets are able to provide to personality classification, along with an assessment of the relative merits of the various networks exploited.