Using Facebook data as a real-time census

qui, nov 02 2017

A new study is believed to be the first to demonstrate how present-day migration statistics can be obtained by compiling the same data that advertisers use to target their audience on Facebook, and by combining that source with information from the Census Bureau ...

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Making big data a little smaller

qua, nov 01 2017

Computer scientists have found that the Johnson-Lindenstrauss lemma, a 30-year-old theorem, is the best approach to pre-process large data into a manageably low dimension for algorithmic processing. ...

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