In a blog post published Thursday, Facebook described how an artificial-intelligence system would, over time, teach itself to identify key phrases that were previously flagged for being used to bolster a known terrorist group.
The same system, they wrote, could learn to identify Facebook users who associate with clusters of pages or groups that promote extremist content, or who return to the site again and again, creating fake accounts in order to spread such content online.
“Ideally, one day our technology will address everything,” Ms. Bickert said. “It’s in development right now.” But human moderators, she added, are still needed to review content for context.
Brian Fishman, Facebook’s lead policy manager for counterterrorism, said the company had a team of 150 specialists working in 30 languages doing such reviews.
Facebook has been criticized for not doing enough to monitor its site for content posted by extremist groups. Last month, Prime Minister Theresa May of Britain announced that she would challenge internet companies — including Facebook — to do more to monitor and stop them.
“We cannot allow this ideology the safe space it needs to breed,” Ms. May said after the bombing of a concert in Manchester that killed 22 people. “Yet that is precisely what the internet — and the big companies that provide internet-based services — provide.”
J. M. Berger, a fellow with the International Centre for Counter-Terrorism at The Hague, said a large part of the challenge for companies like Facebook is figuring out what qualifies as terrorism — a definition that might apply to more than statements in support of groups like the Islamic State.
“The problem, as usual, is determining what is extremist, and what isn’t, and it goes further than just jihadists,” he said. “Are they just talking about ISIS and Al Qaeda, or are they going to go further to deal with white nationalism and neo-Nazi movements?”
Ms. Bickert said Facebook was hopeful that the new artificial intelligence technology could be used to counter any form of extremism that violated the company’s terms of use, although for the time being it will be narrowly focused.
Still, questions about the program persist.
“Will it be effective or will it overreach?” said Jillian York, the director for international freedom of expression at the Electronic Frontier Foundation. “Are they trying to discourage people from joining terrorist groups to begin with, or to discourage them from posting about terrorism on Facebook?”
By SHEERA FRENKEL
https://www.nytimes.com/2017/06/15/technology/facebook-artificial-intelligence-extremists-terrorism.html
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