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Subject: Re: chess and AI.

Author: Dan Homan

Date: 14:54:30 06/27/01

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On June 27, 2001 at 17:03:58, Bruce Moreland wrote:

>On June 27, 2001 at 15:09:22, Dan Homan wrote:
>
>>On June 27, 2001 at 10:56:24, William H Rogers wrote:
>>
>>>It never ceases to amaze me how a small handful of people who may or may not
>>>have ever gone to college or even studied advance computer science and make
>>>statements that are 100% the opposite of some of the worlds greatest minds from
>>>all over the world have stated. The top great thinkers from almost every
>>>university in the world have defined A.I. and what it is suppost to do and yet
>>>there are a few young people here would match their intelligence againts theirs.
>>>Maybe the Harvard, Yale, Stanford, or people at M.I.T.s should look into getting
>>>rid of all of their Phd's and call you guys.
>>>A.I., as it has been losely defined is the ability of a device to solve or make
>>>decisions regarding a specific problem. How the machine was designed or
>>>programmed is not the point, it is what it does afterward when it is turned on
>>>and ran.
>>>Not trying to stir up more waves, but I have studied this matter for years.
>>>If you disagree, good, but just don't rewrite the worlds greatest accepted
>>>facts.
>>>Bill
>>
>>Hi,
>>
>>I am not sure that there is this universally agreed upon definition of
>>artificial intelligence that you quote.  Perhaps the first expert in computers,
>>Alan Turing, came up with the 'Turing Test' for artificial intelligence.  His
>>test is that you can ask the machine any twenty questions you want by typing
>>into a terminal and the answers appear on the screen.  If you cannot tell
>>whether the answers were given by the machine itself or another human (who might
>>be hidden in another room), then the machine is said to be 'intelligent'.
>
>The Turing test seems stupid to me, and I have no idea why it is touted as some
>sort of standard of anything.  It measures a program's ability to generalize in
>the domain of light conversation.  That's a fine thing to try to write a program
>to do, and it's a hard problem, but it doesn't make sense to draw a line and say
>that programs that can successfully make light conversation are intelligent and
>those that can't aren't, in some absolute sense.  There is no universal constant
>H, which is defined as the capabilities of a human, that also defines
>intelligent behavior.
>
>A dog can exhibit intelligent behavior, without coming anywhere close to being
>able to pass the Turing test.  Likewise, there are many humans who cannot
>successfully impersonate a particular human.  If you disbelieve this, just watch
>"To Tell the Truth" on TV.
>
>AI is not about making something that can solve the Turing test.  There are lots
>of AI problems that have nothing to do with being able to simulate light
>conversation.
>
>bruce
>

I didn't say Turing's test was a good one... in fact I pointed that chess
programs would fail a limited version of his test because they were too
successful at certain kinds of positions....

Bill ranted that people won't just accept the "expert's definition" of
artificial intelligence, so I pointed out Turing's definition was quite
different, and that he is clearly an expert.

On the question of whether Turing's test is a good one or not, I guess that
depends on what you would like to see out of artificial intelligence.  If we
want a generalized intelligence that can learn the nuances of language and the
tons of other stuff necessary to fake being a human, then Turing's test is
clearly a good one.  If you just want the fastest driving route from Boston, MA
to Charlottesville, VA, then I agree that his test is not after the right thing.

 - Dan


>>
>>This standard seems quite different than the one you quote above as the expert
>>certified definition.  In fact, the bar set by Turing is much higher than simply
>>solving a problem.  I am not saying that your definition is wrong; I just want
>>to point out that even experts disagree (or at the very least define their terms
>>differently).
>>
>>It is interesting to note that there was an extended discussion back in r.g.c.c.
>>several years ago about whether chess computers could pass a 'very limited
>>Turing Test', where the scope of the questions is restricted to chess positions
>>with a single best move and the expected answer is that best move.  I forget
>>who, but someone pointed out that the computers could not pass even this limited
>>test, because if you fed them 20 long, complicated mates, the computer would
>>respond much more accurately (and quickly) than any human could be expected to.
>>
>> - Dan



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