#Twitter tracker shows where #food #poisoning is a risk [#socialmedia #crowdsourcing #dataanalytics #humancomputation]

Submitted by Irene on Wed, 2013/08/07 - 14:34

http://www.newscientist.com/article/dn24001-twitter-tracker-shows-where-...
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The machine learning system he built, while at the University of Rochester in New York, finds out which restaurants should be avoided, in much the same way as Google Flu Trends mines search data to predict flu spread.

A pool of 3.8 million tweets sampled in New York between January and April was ranked by machine learning for relevance, with words like stomach and food being deemed the most important.
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