Roland Piquepaille writes "Obviously, computers can't have an opinion. What computers are very good at, though, is scanning through text to deduct human opinions from factual information. This branch of natural-language processing (NLP) is called 'information extraction' and is used for sorting facts and opinions for Homeland Security. Right now, a consortium of three universities is for the U.S. Department of Homeland Security (DHS) which doesn't have enough in-house expertise in NLP. Read more for additional references and a diagram showing how information extraction is used."
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