Feeding a supercomputer with news stories could help predict major world events, according to US research.
A study, based on millions of articles, charted deteriorating national sentiment ahead of the recent revolutions in Libya and Egypt.
While the analysis was carried out retrospectively, scientists say the same processes could be used to anticipate upcoming conflict.
Based on specific queries, Nautilus generated graphs for different countries which experienced the “Arab Spring”.
In each case, the aggregated results of thousands of news stories showed a notable dip in sentiment ahead of time – both inside the country, and as reported from outside.
For Egypt, the tone of media coverage in the month before President Hosni Mubarak’s resignation had fallen to a low only seen twice before in the preceding 30 years.
According to Kalev Leetaru, such a system could easily be adapted to work in real time, giving an element of foresight.
“That’s the next stage,” said Mr Leetaru, who is already working on developing the technology.
The Free 