Istituto di Scienza e Tecnologie dell'Informazione     
Lulli A., Gabrielli L., Dazzi P., Dell'Amico M., Michiardi P., Nanni M., Ricci L. Improving population estimation from mobile calls: a clustering approach. In: ISCC 2016 - IEEE Symposium on Computers and Communication (Messina, Italy, 27-30 June 2016). Proceedings, pp. 1097 - 1102. IEEE, 2016.
Statistical authorities promote and safeguard the production and publication of official statistics that serve the public good. One of their duties is to monitor the presence of individuals region by region. Traditionally this activity has been conducted by means of censuses and surveys. Nowadays technologies open new possibilities such as a continuous sensing of the presences by leveraging the data associated to mobile devices, e.g., the behaviour of users on doing calls. In this paper first we propose a specifically conceived similarity function able to capture similarity between individuals call behaviours. Second we make use of a clustering algorithm able to handle arbitrary metric leading to a good internal and external consistency of clusters. The approach provides better population estimation with respect to state of the art comparing with real census data. The scalability and flexibility that characterises the proposed framework enables novel scenarios for the characterization of people by means of data derived from mobile users, ranging from the nearly-realtime estimation of presences to the definition of complex, uncommon user archetypes.
URL: http://ieeexplore.ieee.org/document/7543882/
DOI: 10.1109/ISCC.2016.7543882
Subject Production
Ethernet networks
H.3.3 INFORMATION STORAGE AND RETRIEVAL. Information Search and Retrieval

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