Istituto di Scienza e Tecnologie dell'Informazione     
Pappalardo L., Smoreda Z., Pedreschi D., Giannotti F. Using big data to study the link between human mobility and socio-economic development. In: BigData 2015 - IEEE International Conference on Big Data (Santa Clara, CA, USA, 29 October - 01 November 2015). Proceedings, pp. 871 - 878. IEEE, 2015.
Big Data offer nowadays the potential capability of creating a digital nervous system of our society, enabling the measurement, monitoring and prediction of relevant aspects of socio-economic phenomena in quasi real time. This potential has fueled, in the last few years, a growing interest around the usage of Big Data to support official statistics in the measurement of individual and collective economic well-being. In this work we study the relations between human mobility patterns and socioeconomic development. Starting from nation-wide mobile phone data we extract a measure of mobility volume and a measure of mobility diversity for each individual. We then aggregate the mobility measures at municipality level and investigate the correlations with external socio-economic indicators independently surveyed by an official statistics institute. We find three main results. First, aggregated human mobility patterns are correlated with these socio-economic indicators. Second, the diversity of mobility, defined in terms of entropy of the individual users' trajectories, exhibits the strongest correlation with the external socio-economic indicators. Third, the volume of mobility and the diversity of mobility show opposite correlations with the socioeconomic indicators. Our results, validated against a null model, open an interesting perspective to study human behavior through Big Data by means of new statistical indicators that quantify and possibly "nowcast" the socio-economic development of our society
URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7363835
DOI: 10.1109/BigData.2015.7363835
Subject Big Data
H.2.8 Database Applications

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