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[NPR]Man vs. Machine: IBM supercomputer "Watson" vs Jeopardy! champions - Page 8

post #71 of 86
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post #72 of 86
Quote:
Originally Posted by Jarazon View Post
If you buzz in before the question is finished being asked on Jeopardy you are locked out from buzzing in for something like a second after it's done being read.

^^ what he said, I actually know two people who have been on jeopardy (well, one of them was teen jeopardy, but same rules). when the question is done being read, somebody off camera flips a switch, closing a circuit, which simultaneously allows buzzer signals to be sent in while also turning on a series of lights around the gameboard that aren't seen on tv. these lights are an indicator to the contestants that they can ring in, but if you hit the buzzer before the circuit is closed, your buzzer is disabled for (I think) one second.

the really good guys like ken jennings and brad rutter got good at not just reacting to the lights turning on, but anticipating how long after the question the circuit would close, and hence buzzing in faster than any human could realistically respond to the lights, just because they had a feel for when the circuit would close and they jumped the gun.

watson, on the other hand, just operates based on the circuit, and doesn't react to the lights at all. I think the PBS documentary (which you should watch because it's cool) said that watson can buzz in after about 1/100th of a second of the circuit being closed, which is much faster than a human can react unless they just gamble and take a stab at buzzing before the lights come on. I think that's what happened in day 2, which is why the humans did a lot better - they realized that playing normally they could never get in ahead of watson, so they gambled more and managed to buzz in more.

tl;dr, watson had an advantage on the buzzer, and although it's undoubtedly an incredible accomplishment in moving toward computers that can interpret natural language, I guarantee ken and brad knew 98% of the clues, but couldn't buzz in time

edit: it was on ABC news that I heard the thing about watson getting in after 1/100th of a second, not on nova...
Edited by tommy1993 - 2/18/11 at 2:16am
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post #73 of 86
Quote:
Originally Posted by tommy1993 View Post
watson, on the other hand, just operates based on the circuit, and doesn't react to the lights at all. I think the PBS documentary (which you should watch because it's cool) said that watson can buzz in after about 1/100th of a second of the circuit being closed, which is much faster than a human can react unless they just gamble and take a stab at buzzing before the lights come on. I think that's what happened in day 2, which is why the humans did a lot better - they realized that playing normally they could never get in ahead of watson, so they gambled more and managed to buzz in more.

tl;dr, watson had an advantage on the buzzer, and although it's undoubtedly an incredible accomplishment in moving toward computers that can interpret natural language, I guarantee ken and brad knew 98% of the clues, but couldn't buzz in time

edit: it was on ABC news that I heard the thing about watson getting in after 1/100th of a second, not on nova...
1/100th of a second is crazy if that's accurate; that's a huge advantage. They should have forced Watson to pick some random time between 1/25th of a second and 1/4th of a second of a second for questions based on it's certainty level. No wonder IBM was so confident Watson would win.
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post #74 of 86
Quote:
Originally Posted by mrjminer View Post
I think one of the biggest reason Watson won was because they couldn't click faster than Watson. These guys are so smart, yet fail to know they have to spam the buttons to buzz in before a computer.

I would have asked for an NES/SNES controller to replace the buzzer.
Did you really just say that?

Wow.....
    
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post #75 of 86
What up aligators!
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post #76 of 86
Anyone else impressed about Brad beating Watson @ first question? He pushed the buzzer faster than a computer...
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post #77 of 86
It was funny when watson got one wrong.
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post #78 of 86
I am baffled that so many people here are calling this stupid. Games with good AI come out and you'll all talk about how amazing it is, but IBM makes this and it's a waste of time?

Okay.
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post #79 of 86
Watson is obviously very impressive any way you slice it. Honestly, I would have been even more impressed if Watson used voice recognition software and received the answers in the same manner as the humans. The humans are wasting valuable time having to convert sound waves into sensible information and Watson is getting a raw data file.

Proabably next time we see Watson on Jeopardy it may be using some voice recognition since IBM has recently partnered up with a speech recognition company for Watson related research.

http://newenterprise.allthingsd.com/...b/?mod=ATD_rss
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post #80 of 86
You know this is all just build up for the app. Everyone will have a pocket version of watson soon.
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