Matt,

It appears that either you completely missed the point in my earlier post,
that

Knowledge + Inverse Knowledge ~= Understanding (hopefully)

There are few things in the world that are known SO well that from direct
knowledge thereof that you can directly infer all potential modes of
failure. Especially with things that have been engineered (or divinely
created), or evolved (vs accidental creations like mountains), the failures
tend to come in the FLAWS in the understanding of their creators.

Alternatively, it is possible to encode just the flaws, which tend to spread
via cause and effect chains and easily step out of the apparent structure.
A really good example is where a designer with a particular misunderstanding
of something produces a design that is prone to certain sorts of failures in
many subsystems. Of course, these failures are the next step in the cause
and effect chain that started with his flawed education and have nothing at
all to do with the interrelationships of the systems that are failing.

Continuing...

On 12/9/08, Matt Mahoney <[EMAIL PROTECTED]> wrote:
>
>  Steve, the difference between Cyc and Dr. Eliza is that Cyc has much more
> knowledge. Cyc has millions of rules. The OpenCyc download is hundreds of MB
> compressed. Several months ago you posted the database file for Dr. Eliza. I
> recall it was a few hundred rules and I think under 1 MB.
>

You have inadvertently made my point, that in areas of "inverse knowledge"
that OpenCyc with its hundreds of MBs of data still falls short of Dr. Eliza
with <<1% of that knowledge. Similarly, Dr. Eliza's structure would prohibit
it from being able to answer even simple questions regardless of the size of
its KB. This is because OpenCyc is generally concerned with how things work,
rather than how they fail, while Dr. Eliza comes at this from the other end.

 Both of these databases are far too small for AGI because neither has
> solved the learning problem.
>

... Which was exactly my point when I referenced the quadrillion dollars you
mentioned. If you want to be able to do interesting things for only ~$1M or
so, no problem IF you stick to an appropriate corner of the knowledge (as
Dr. Eliza does). However, if come out of the corners, then be prepared to
throw your $1Q at it.

Note here that I am NOT disputing your ~$1Q, but rather I am using it to
show that the approach is inefficient, especially if some REALLY valuable
parts of what it might bring, namely, the solutions to many of the most
difficult problems, can come pretty cheaply, ESPECIALLY if you get your
proposal working..

Are we on the same page now?

Steve Richfield

>   ------------------------------
> *From:* Steve Richfield <[EMAIL PROTECTED]>
> *To:* [email protected]
> *Sent:* Tuesday, December 9, 2008 3:06:08 AM
> *Subject:* [agi] Machine Knowledge and Inverse Machine Knowledge...
>
> Larry Lefkowitz, Stephen Reed, et al,
>
> First, Thanks Steve for your pointer to Larry Lefkowitz, and thanks Larry
> for so much time and effort in trying to relate our two approaches..
>
> After discussions with Larry Lefkowitz of Cycorp, I have had a bit of an
> epiphany regarding machine knowledge that I would like to share for all to
> comment on...
>
> First, it wasn't as though there were points of incompatibility between
> Cycorp's idea of machine knowledge and that used in DrEliza.com, but rather,
> there were no apparent points of connection. How could two related things be
> so completely different, especially when both are driven by the real world?
>
> Then it struck me. Cycorp and others here on this forum seek to represent
> the structures of real world domains in a machine, whereas Dr. Eliza seeks
> only to represent the structure of the malfunctions within structures, while
> making no attempt whatever to represent the structures in which those
> malfunctions occur, as though those malfunctions have their very own
> structure, as they truly do. This seems a bit like simulating the "holes" in
> a semiconductor.
>
> OF COURSE there were no points of connection.
>
> Larry pointed out the limitations in my approach - which I already knew,
> namely, Dr. Eliza will NEVER EVER understand normal operation when all it
> has to go on are *AB*normalities.
>
> Similarly, I pointed out that Cycorp's approach had the inverse problem, in
> that it would probably take the quadrillion dollars that Matt Mahoney keeps
> talking about to ever understand malfunctions starting from the wrong side
> (as seen from Dr. Eliza's viewpoint) of things.
>
> In short, I see both of these as being quite valid but completely
> incompatible approaches, that accomplish very different things via very
> different methods. Each could move toward the other's capabilities given
> infinite resources, but only a madman (like Matt Mahoney?) would ever throw
> money at such folly.
>
> Back to my reason for contacting Cycorp - to see if some sort of web
> standard to represent metadata could be hammered out. Neither Larry nor I
> could see how Dr. Eliza's approach could be adapted to Cycorp, and further,
> this is aside from Cycorp's present interests. Hence, I am on my own here.
>
> Hence, it is my present viewpoint that I should proceed with my present
> standard to accompany the only semi-commercial program that models *
> malfunctions* rather than the real world, somewhat akin to the original
> Eliza program. However, I should prominently label the standard and
> appropriate fields therein appropriately so that there is no future
> confusion between machine knowledge and Dr. Eliza's sort of inverse machine
> knowledge.
>
> Any thoughts?
>
> Steve Richfield
>
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