represent trajectories and mobility flows with proper data structures, TrajDataFrame and FlowDataFrame. manage and manipulate mobility data of various formats (call detail records, GPS data, data from ...

I love portable technology—if you can put it in a pocket or a bag, I’m probably into it. I’ve covered phones and tablets of all shapes and sizes, and reviewed everything from game consoles to laptops ...

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In 1795, a group of magistrates gathered in the English village of Speenhamland to try to solve a social crisis brought on by the rising price of grain. The challenge was an increase in poverty, even ...