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June 15, 2017 02:00 am

Facebook Built an AI System That Learned To Lie To Get What It Wants

An anonymous reader quotes a report from Quartz: Humans are natural negotiators. We arrange dozens of tiny little details throughout our day to produce a desired outcome: What time a meeting should start, when you can take time off work, or how many cookies you can take from the cookie jar. Machines typically don't share that affinity, but new research from Facebook's AI research lab might offer a starting point to change that. The new system learned to negotiate from looking at each side of 5,808 human conversations, setting the groundwork for bots that could schedule meetings or get you the best deal online. Facebook researchers used a game to help the bot learn how to haggle over books, hats, and basketballs. Each object had a point value, and they needed to be split between each bot negotiator via text. From the human conversations (gathered via Amazon Mechanical Turk), and testing its skills against itself, the AI system didn't only learn how to state its demands, but negotiation tactics as well -- specifically, lying. Instead of outright saying what it wanted, sometimes the AI would feign interest in a worthless object, only to later concede it for something that it really wanted. Facebook isn't sure whether it learned from the human hagglers or whether it stumbled upon the trick accidentally, but either way when the tactic worked, it was rewarded.

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