[Cyborg] Watson supercomputer plays Jeopardy

Andy Isaacson adi at hexapodia.org
Sat Jan 15 14:49:46 PST 2011

On Sat, Jan 15, 2011 at 01:52:30PM -0500, Eric Boyd wrote:
> Specs: Watson is a Linux system that is powered by 10 refrigerator-sized  
> racks of IBM POWER 750, with 15 terabytes of RAM and 2,880 processor  
> cores.  That's some serious hardware, and apparently the software is  
> equally serious, with hundreds of state-of-the-art AI algorithms running  
> in parallel to both understand the question and find the answer.  It has  
> 200 million+ pages of text source material to work from, and takes about  
> 3 seconds to crank through everything each time.

There's a minimal Wikipedia page at

but the real document to read is

Building Watson: An Overview of the DeepQA Project

which is behind a paywall... luckily Stanford republished the PDF at



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