Hmm... I fear that such terse descriptions gloss over the interesting issues...
:)
If by "symbolic or statistical representations" you mean formal systems
consisting of databases of amodal symbol relations associated with binary or
graded (i.e. "statistical") truth values, along with a priori truth-preserving
transformations, I don't think the suggestion works. In theory (a la
computability theory), maybe... but in actual practice such things hardly seem
rich enough to represent things that people for example work with very easily.
From an engineering perspective, tasked with designing a system that can answer
questions like "Could a crocodile run a steeplechase?" (from the paper), I'd be
an idiot not to build in spatial dynamic physical modeling into a
representational scheme --- it's just such a more efficient way of representing
many of the issues at hand than trying to represent such "naive physics" with
predicate calculus or something similar (which surely seems doomed to everybody
by now...).
You can just call that "symbolic" if you like, but then the word isn't doing
very much work.
It seems like a system capable of being intelligent in our universe would need
some nifty ways of operating with models that are logical, statistical,
spatial, causal, physical, temporal, etc, and moving between those modeling
modalities as needed. I wouldn't call such a thing a hybrid of symbolic and
statistical, I'd call it something considerably more powerful and expressive
than that.
But that's just me...
Also note that knowledge acquisitition is an intimate part of this... I could
say that "C++!" is a good thing to build cognitive models with, but it raises
serious issues about where the code comes from...
Whatever we're doing in our heads, it isn't computing statistical conclusions
against a database of statistical facts about crocodile leg lengths and hedge
heights and (most troublingly) jumping abilities....
Which isn't to say it is impossible to do so, but why would anybody willingly
start so far from the target?
derek
From: piagetmode...@hotmail.com
To: a...@listbox.com
Subject: RE: [agi] On our best behavior
Date: Mon, 16 Dec 2013 10:07:17 -0800
DZ: "What can we build such models from? "
One answer is symbolic or statistical representations, or some hybrid thereof.
~PM
-------------------------------------------
AGI
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