Wednesday, December 28, 2011

The Future of Robotics and Artificial Intelligence - Andrew Ng

I never thought I would write the following lines but thanks to technology, now it has become a fact - Andrew Ng was my Machine Learning professor!!



Steven Levy has a brilliant piece on Wired magazine - The AI revolution Is On:

The fruits of the AI revolution are now all around us. Once researchers were freed from the burden of building a whole mind, they could construct a rich bestiary of digital fauna, which few would dispute possess something approaching intelligence. “If you told somebody in 1978, ‘You’re going to have this machine, and you’ll be able to type a few words and instantly get all of the world’s knowledge on that topic,’ they would probably consider that to be AI,” Google cofounder Larry Page says. “That seems routine now, but it’s a really big deal.”

In short, we are engaged in a permanent dance with machines, locked in an increasingly dependent embrace. And yet, because the bots’ behavior isn’t based on human thought processes, we are often powerless to explain their actions. Wolfram Alpha, the website created by scientist Stephen Wolfram, can solve many mathematical problems. It also seems to display how those answers are derived. But the logical steps that humans see are completely different from the website’s actual calculations. “It doesn’t do any of that reasoning,” Wolfram says. “Those steps are pure fake. We thought, how can we explain this to one of those humans out there?”

AI is so crucial to some systems—like the financial infrastructure—that getting rid of it would be a lot harder than simply disconnecting HAL 9000’s modules. “In some sense, you can argue that the science fiction scenario is already starting to happen,” Thinking Machines’ Hillis says. “The computers are in control, and we just live in their world.” Wolfram says this conundrum will intensify as AI takes on new tasks, spinning further out of human comprehension. “Do you regulate an underlying algorithm?” he asks. “That’s crazy, because you can’t foresee in most cases what consequences that algorithm will have.”

No comments: