The paradox of big data spoils vaccination surveys

When Delphi-Facebook and the U.S. Census Bureau provided near-real time estimates of COVID-19 vaccine uptake last spring, their weekly surveys drew on responses from as many as 250,000 people.

Inferring urban travel patterns from cellphone data

In making decisions about infrastructure development and resource allocation, city planners rely on models of how people move through their cities, on foot, in cars, and on public transportation. Those models are largely ...

Google introduces its Public Data Explorer

(PhysOrg.com) -- Google's latest release is an application that allows users to create their own interactive, animated graphs and charts using public data such as census data or government statistics on unemployment or mortality ...

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