Defining a city using cell-phone data

Humans are becoming more urban, with more than half of the world's population now living in cities. This rapid growth poses unique challenges to both the study and governance of cities—a challenge made harder because we ...

From data to decisions: AI and IoT for earthquake prediction

The study of earthquakes remains a main interest worldwide as it is one of the least predictable natural disasters. In a new review published in Artificial Intelligence in Geosciences, a team of researchers from France and ...

Coalescence-fragmentation cycles based on human conflict

In 1960, Lewis Fry Richardson famously observed that the severity of a wartime event is described by a simple power law distribution that scales according to the size of the conflict. Statisticians have since proposed various ...

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