[agi] Robert Hecht-Nielsen's stuff

2003-07-19 Thread Shane Legg
A while back Rob Sperry posted a link to a video
of a presentation by Robert Hecht-Nielsen.
( http://inc2.ucsd.edu/inc_videos/ )
In it he claims to have worked out how the brain
thinks :)  I didn't look at it at the time as it's
150MB+ and only had a dial up account, but checked
it out the other day with my new ADSL account.
Aside from his, well, rather over the top style of
presentation, what do people think of this?  I haven't
seen any comment to this list and don't know much
neuroscience myself either.  He has a book too, has
anybody read it?
Cheers
Shane
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Re: [agi] Robert Hecht-Nielsen's stuff

2003-07-19 Thread Brad Wyble


Well the short gist of this guy's spiel is that Lenat is on the right track.  The key 
is to accumulate terabytes of stupid, temporally forward associations between elements.

A little background check reveals that this guy isn't a complete nutcase.  He's got 
some publications (but not many), and a real lab position.

However, his claims are a bit too grandiose and he smacks a bit of a snake oil 
salesman at the end when he's fielding the questions, especially the one about the 
inability of his theory to handle the tightly regimented sequence of commands 
necessary to execute motor programs.  He sidesteps that one in a particularly 
obfuscatory fashion.

Nor is his model very interesting in its application.  

Neuroscience data stands counter to his basic claim that the cortex is just a big 
sheet of associatiors, there are many genetically described connection patterns.  

His claim that we set up relatively immutable patterns early in life have only been 
shown to be true for the visual cortex as far as I know.

AI isn't a failure because everyone involved is an idiot and keeps missing the obvious 
point that this genius has stumbled upon.  

AI is a failure because AI is hard.  

I give it a C-.

It's long on words and full of idealistic grandeur, but short on substance when you 
really boil it down. 


-Brad










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RE: [agi] Educating an AI in a simulated world

2003-07-19 Thread Philip Sutton
Hi Ben,

If Novababies are going to play and learn in a simulated world which is 
most likely based on an agent-based/object-orientated programming 
foundation, would it be useful for the basic Novamente to have prebuilt 
capacity for agent-based modelling? Would this in be necessary if a 
Novababy is to process objects in their native format as suggested by 
Brad Wyble (eg. sprites in 3d coordinates).

Cheers, Philip

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RE: [agi] Educating an AI in a simulated world

2003-07-19 Thread Ben Goertzel

Hi,

This kind of built-in capability certainly isn't *necessary* but it might be
useful.  This kind of issue is definitely worth exploring...

More thoughts later ;-)

ben

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of Philip Sutton
Sent: Saturday, July 19, 2003 11:24 AM
To: [EMAIL PROTECTED]
Subject: RE: [agi] Educating an AI in a simulated world


Hi Ben,

If Novababies are going to play and learn in a simulated world which is
most likely based on an agent-based/object-orientated programming
foundation, would it be useful for the basic Novamente to have prebuilt
capacity for agent-based modelling? Would this in be necessary if a
Novababy is to process objects in their native format as suggested by
Brad Wyble (eg. sprites in 3d coordinates).

Cheers, Philip

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subscription,
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Re: [agi] Robert Hecht-Nielsen's stuff

2003-07-19 Thread Shane Legg
Brad Wyble wrote:
Well the short gist of this guy's spiel is that Lenat is on
 the right track.

My understanding was that he argues that Lenat is on the wrong
track!  Lenat is trying to accumulate a large body of relatively
high level logical rules about the world.  This is very hard to
do and requires a vast amount of human labour to do.
Hecht-Nielsen argues that the brain doesn't in fact logically reason
(at least not directly or course) but rather does something simpler.
Essentially some kind of pattern matching and association as I
understand it.  Also, the knowledge representation system is at a
sub-logical being made up of relatively simple associations formed
on the most part by experience.
This is the complete opposite of Cyc.  Indeed, he attributes much
of the failure of AI to be due to the assumption that intelligent
systems should work on some kind of logic and use logical expressions
to represent knowledge.  Surely Cyc is in this tradition and so,
from Hecht-Nielsen's point of view, must be on the wrong track?
Shane

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[agi] Fw: Do This! Its hysterical!! It works!!

2003-07-19 Thread williamrussellmorley

- Original Message - 
From: TERESA [EMAIL PROTECTED]
To: William Gallo [EMAIL PROTECTED]; WilliamRussellMorley
[EMAIL PROTECTED]; Sandy Allonen [EMAIL PROTECTED];
Chris Brindley [EMAIL PROTECTED]; steve davis [EMAIL PROTECTED];
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Sent: Friday, July 18, 2003 2:28 PM
Subject: Fw: Do This! Its hysterical!! It works!!


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: Subject: FW: Do This! Its hysterical!! It works!!
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:  To: Julie [EMAIL PROTECTED]; Mom [EMAIL PROTECTED]; Dad 
: Lois
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:-
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:Sent: Wednesday, July 09, 2003 9:13 AM
:To: Deborah Haney; Johnna Kenney; Michelle Stone; Penny Aukamp;
: Richard
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: Boyd
:Subject: Do This! Its hysterical!! It works!!
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