Friday, September 9, 2011

Supercomputer Predicts Revolution

Feeding a supercomputer with headlines stories could help envision leading world events, according to US research.

A study, formed on millions of articles, charted deteriorating national feeling forward of the new revolutions in Libya and Egypt.

While the review was carried out retrospectively, scientists say the same processes could be used to expect arriving conflict.

The network moreover picked up early clues about Osama Bin Laden's location.

Kalev Leetaru, from the University of Illinois' Institute for Computing in the Humanities, Arts and Social Science, presented his commentary in the biography First Monday.

The study's data was taken from a operation of sources inclusive the US government-run Open Source Centre , and the Summary of World Broadcasts (now well known as BBC Monitoring ), both of that guard local media outlay around the world.

News outlets that published online versions were moreover analysed, as was the New York Times ' archive, going back to 1945.

In total, Mr Leetaru collected more than 100 million articles.

Reports were analysed for two principal variety of information: mood - either the essay represented great headlines or bad news, and place - where events were going on and the place of other participants in the story.

Mood detection, or "automated feeling mining" searched for difference such as "terrible", "horrific" or "nice".

Location, or "geocoding" took mentions of definite places, such as "Cairo" and converted them in to coordinates that could be plotted on a map.

Analysis of story elements was used to emanate an companion web of 100 trillion relationships.

Data was fed in to an SGI Altix supercomputer , well known as Nautilus, formed at the University of Tennessee .

The machine's 1024 Intel Nehalem cores have a complete estimate power of 8.2 teraflops (trillion buoyant indicate operations per second).

Based on definite queries, Nautilus generated graphs for not similar countries that gifted the "Arab Spring".

In any case, the many-sided results of thousands of headlines stories showed a important plunge in feeling forward of time - both inside the country, and as reported from outside.

For Egypt, the tinge of media coverage in the month before President Hosni Mubarak's handing over had depressed to a low usually seen twice before in the preceding 30 years.

Previous dips coincided with the 1991 US aerial barrage of Iraqi infantry in Kuwait and the 2003 US offensive of Iraq.

Mr Leetaru mentioned that his network appeared to produce improved comprehension than the US supervision was using at the time.

"The small fact that the US President stood in encouragement of Mubarak suggests really strongly that that even the top turn review referred to that Mubarak was going to stay there," he told BBC News.

"That is expected since you have these area experts who have been study Egypt for 30 years, and in 30 years nothing has happened to Mubarak.

The Egypt graph, mentioned Mr Leetaru, referred to that something rare was going on this time.

"If you look at this tonal curvature it would discuss it you the world is extinguishing so swift and so strongly against him that it doesn't appear probable he could survive."

Similar drops were seen forward of the subversion in Libya and the Balkans conflicts of the 1990s.

Saudi Arabia, that has thus far resisted a renouned uprising, had gifted fluctuations, but not to the same border as a few other states where leaders were finally overthrown.

In his report, Mr Leetaru suggests that review of universal media reports about Osama Bin Laden would have yielded important clues about his location.

While many believed the al-Qaeda personality to be stealing in Afghanistan, geographic data extracted from media reports consistently identified him with Northern Pakistan.

Only one inform mentioned the locale of Abbottabad previous to Bin Laden's breakthrough by US forces in April 2011.

However, the geo-analysis narrowed him down to inside of 200km, mentioned Mr Leetaru.

The P.C. eventuality review model appears to give counsel of leading events, formed on deteriorating sentiment.

However, in the box of this study, its review is practical to things that have already happened.

According to Kalev Leetaru, such a network could simply be blending to work in actual time, giving an component of foresight.

"That's the next stage," mentioned Mr Leetaru, who is already working on building the technology.

"It looks similar to a batch ticker in many regards and you know what citation it has been streamer the final few mins and you wish to know where it is streamer in the next few.

"It is really similar to what mercantile forecasting algorithms do."

Mr Leetaru mentioned he moreover hoped to upgrade the fortitude of analysis, primarily in connection to geographic location.

"The next iteration is going to city turn and beyond and seeking at particular groups and how they interact.

"I collate it to continue forecasting. It's never perfect, but you do improved than pointless guessing."

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