Tagsentiment analysis

The CIA Using Sentiment Analysis to Gauge Regional Stability

human geopolitical chess

From The Atlantic:

How stable is China? What are people discussing and thinking in Pakistan? To answer these sorts of question, the U.S. government has turned to a rich source: social media.

The Associated Press reports that the CIA maintains a social-media tracking center operated out of an nondescript building in a Virginia industrial park. The intelligence analysts at the agency’s Open Source Center, who other agents refer to as “vengeful librarians,” are tasked with sifting through millions of tweets, Facebook messages, online chat logs, and other public data on the World Wide Web to glean insights into the collective moods of regions or groups abroad. According to the Associated Press, these librarians are tracking up to five million tweets a day from places like China, Pakistan and Egypt.

The Atlantic: How The CIA Uses Social Media to Track How People Feel

See also: Predicting the future with Twitter.

Predicting the Future with Twitter

predicting the future with the news

The New York Times reports:

The number-crunchers on Wall Street are starting to crunch something else: the news.

Math-loving traders are using powerful computers to speed-read news reports, editorials, company Web sites, blog posts and even Twitter messages — and then letting the machines decide what it all means for the markets.

The development goes far beyond standard digital fare like most-read and e-mailed lists. In some cases, the computers are actually parsing writers’ words, sentence structure, even the odd emoticon. A wink and a smile — 😉 — for instance, just might mean things are looking up for the markets. Then, often without human intervention, the programs are interpreting that news and trading on it.

New York Times: Computers That Trade on the News

And Bloomberg reports:

Derwent Capital Markets, a family- owned hedge fund, will offer investors the chance to use Twitter Inc. posts to gauge the mood of the stockmarket, said co-owner Paul Hawtin.

The Derwent Absolute Return Fund Ltd., set to start trading in February with an initial 25 million pounds ($39 million) under management, will follow posts on the social-networking website. A trading model will highlight when the number of times words on Twitter such as “calm” rise above or below average.

Bloomberg: Hedge Fund Will Track Twitter to Predict Stock Moves

See also:

Sentiment analysis

Technical analysis

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