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Will Computer Obtain Common Sense?

December 10, 2013 by  
Filed under Computing

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Even though it may appear PCs are getting dumbed down as we see constant images of cats playing the piano or dogs playing in the snow, one computer is doing the same and getting smarter and smarter.

A computer cluster running the so-called the Never Ending Image Learner at Carnegie Mellon University runs 24 hours a day, 7 days a week searching the Internet for images, studying them on its own and building a visual database. The process, scientists say, is giving the computer an increasing amount of common sense.

“Images are the best way to learn visual properties,” said Abhinav Gupta, assistant research professor in Carnegie Mellon’s Robotics Institute. “Images also include a lot of common sense information about the world. People learn this by themselves and, with [this program], we hope that computers will do so as well.”

The computers have been running the program since late July, analyzing some three million images. The system has identified 1,500 types of objects in half a million images and 1,200 types of scenes in hundreds of thousands of images, according to the university.

The program has connected the dots to learn 2,500 associations from thousands of instances.

Thanks to advances in computer vision that enable software to identify and label objects found in images and recognize colors, materials and positioning, the Carnegie Mellon cluster is better understanding the visual world with each image it analyzes.

The program also is set up to enable a computer to make common sense associations, like buildings are vertical instead of lying on their sides, people eat food, and cars are found on roads. All the things that people take for granted, the computers now are learning without being told.

“People don’t always know how or what to teach computers,” said Abhinav Shrivastava, a robotics Ph.D. student at CMU and a lead researcher on the program. “But humans are good at telling computers when they are wrong.”

He noted, for instance, that a human might need to tell the computer that pink isn’t just the name of a singer but also is the name of a color.

While previous computer scientists have tried to “teach” computers about different real-world associations, compiling structured data for them, the job has always been far too vast to tackle successfully. CMU noted that Facebook alone has more than 200 billion images.

The only way for computers to scan enough images to understand the visual world is to let them do it on their own.

“What we have learned in the last five to 10 years of computer vision research is that the more data you have, the better computer vision becomes,” Gupta said.

CMU’s computer learning program is supported by Google and the Office of Naval Research.

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Cyber Attacks Increasing In Middle East

September 13, 2013 by  
Filed under Security

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Syria’s civil war and political strife in Egypt have given birth to new battlegrounds on the Web and driven a surge in cyber attacks in the Middle East, according to a leading Internet security company.

More than half of incidents in the Gulf this year were so-called “hacktivist” attacks – which account for only a quarter of cybercrime globally – as politically motivated programmers sabotaged opposing groups or institutions, executives from Intel Corp’s software security division McAfee said on Tuesday.

“It’s mostly bringing down websites and defacing them with political messages – there has been a huge increase in cyber attacks in the Middle East,” Christiaan Beek, McAfee director for incident response forensics in Europe, Middle East and Africa (EMEA), told Reuters.

He attributed the attacks to the conflict in Syria, political turmoil in Egypt and the activities of hacking collective Anonymous.

“It’s difficult for people to protest in the street in the Middle East and so defacing websites and denial of service (DOS) attacks are a way to protest instead,” said Beek.

DOS attacks flood an organization’s website causing it to crash, but usually do little lasting damage.

The Syrian Electronic Army (SEA), a hacking group loyal to the government of President Bashar al-Assad, defaced an Internet recruiting site for the U.S. Marine Corps on Monday and recently targeted the New York Times website and Twitter, as well other websites within the Middle East.

Beek described SEA as similar to Anonymous.

“There’s a group leading operations, with a support group of other people that can help,” said Beek.

McAfee opened a centre in Dubai on Monday to deal with the rising threat of Internet sabotage in the region, the most serious of which are attacks to extract proprietary information from companies or governments or those that cause lasting damage to critical infrastructure.

Cyber attacks are mostly focused on Saudi Arabia, the world’s largest oil exporter, Qatar, the top liquefied natural gas supplier, and Dubai, which is the region’s financial, commercial and aviation hub, said Gert-Jan Schenk, McAfee president for EMEA.

“It’s where the wealth and critical infrastructure is concentrated,” he said.

The “Shamoon” virus last year targeted Saudi Aramco, the world’s largest oil company, damaging about 30,000 computers in what may have been the most destructive attack against the private sector.

“Ten years ago, it was all about trying to infect as many people as possible,” added Schenk. “Today we see more and more attacks being focused on very small groups of people. Sometimes malware is developed for a specific department in a specific company.”

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Is HP Getting Sued?

December 7, 2012 by  
Filed under Computing

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HP is in the process of being sued by an angry investor who claims the company knew statements about its Autonomy acquisition were misleading and led the stock to fall.

A proposed class action lawsuit was filed in a San Francisco federal court. HP bought British software firm Autonomy for a $11.1 billion last year but made an $8.8 billion write-down on its acquisition claiming the company inflated sales with improper accounting.

Autonomy co-founder Mike Lynch has denied any wrongdoing. The lawsuit, one of the first to be filed by investors on the Autonomy mess, said HP hid the fact it gained control of Autonomy based on financial statements that could not be relied upon.
It claims HP had not revealed to investors that it tried to undo the Autonomy agreement before it closed because of the accounting issues.

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