Matias Travizano

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From our most basic consumption to secondary needs, our spending habits reflect our life styles. Yet, in computational social sciences there is an open question about the existence of ubiquitous trends in spending habits by various groups at urban scale. Limited information collected by expenditure surveys have not proven conclusive in this regard. This is(More)
We use mobile phone records for the analysis of mobility patterns and the detection of possible risk zones of Chagas disease in two Latin American countries. We show that geolocalized call records are rich in social and individual information, which can be used to infer whether an individual has lived in an endemic area. We present two case studies, in(More)
The explosion of mobile phone communications in the last years occurs at a moment where data processing power increases exponentially. Thanks to those two changes in a global scale, the road has been opened to use mobile phone communications to generate inferences and characterizations of mobile phone users. In this work, we use the communications network,(More)
It is commonly believed that patterns of social ties affect individuals' economic status. Here we translate this concept into an operational definition at the network level, which allows us to infer the economic well-being of individuals through a measure of their location and influence in the social network. We analyse two large-scale sources:(More)
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