Bob,

You can just look up the phrase "doubled over" in a dictionary (wordnet)
and find that it means to curl up in pain, but what does curling mean,
and what is pain?

Once the most basic English grammar constructions are hand-coded, I plan that 
Texai learn, by being taught, the constructions required for it to comprehend 
the word sense glosses (i.e. definitions) from WordNet and Wiktionary.  By 
converting this definitional text into crisp, symbolic logic statements, Texai 
will acquire a degree of commonsense understanding about the defined concepts.  
I am postponing grounding most of these concepts in physical perceptions.  
Initially, the only fully grounded symbols will be those involved with English 
grammar constructions and vocabulary.  That is, Texai will have a grounded 
perception of what an utterance is, because it can directly sense one and it 
can generate one.  It will likewise have a grounded notion of its mentors.  It 
will be able to sense what each one says to it, and to influence their belief 
state by what it says.

It might be considered circular and shallow to define the various dictionary 
words in terms of each other.  But this will be sufficient for question 
answering - e.g. better than an existing search engine on the same corpus.  And 
I expect that it will be sufficient for the really important step to soon 
follow - the acquisition of skills by being taught them.
 
Stephen L. Reed

Artificial Intelligence Researcher
http://texai.org/blog
http://texai.org
3008 Oak Crest Ave.
Austin, Texas, USA 78704
512.791.7860

----- Original Message ----
From: Bob Mottram <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thursday, April 24, 2008 2:23:19 AM
Subject: Re: [agi] Why Symbolic Representation P.S.

 2008/4/24 Mike Tintner <[EMAIL PROTECTED]>:
>  Just to illustrate further, here's the opening lines of today's Times
> sports report on a football match.[Liverpool v Chelsea] How on earth could
> this be understood without massive imaginative simulation? [Stephen?] And
> without mainly imaginative memories of football matches?


I think this is right, and that to be able to really understand
written text also requires reference to pre-linguistic concepts which
typically come from embodied experiences either gained in person or
vicariously by observation of others (through mirror systems).  You
can just look up the phrase "doubled over" in a dictionary (wordnet)
and find that it means to curl up in pain, but what does curling mean,
and what is pain?

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agi
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agi
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