Re: Crick's answer to lester's conundrum


Lester Zick wrote:


BTW, whether you know it of not, the idea of D-o-D has been around for
at least ... 20 years ....

Oh do tell at least twenty years? Try twenty-five years.

pg 238 of Society of Mind, 1986, section 23.1 ....

"... not only are differences important by themselves; more often than
we realize, we think about 'differences between differences' ...

Sure especially since my own copyrighted work on the subject dates
to 1982. I don't doubt it's been plagiarized since. In other words
according to you I should be "thrilled to see others citing my work"
and calling it their work.



Now, I begin to see - as I had suspected all along - what D-o-D really
is. One in a bag of tricks used by intelligent systems. What "is" the
Society of Mind? Namely, a large bag of tricks used by intelligent
systems.

BTW, Lester, I see your 25 years, and raise you 35 .......
D[D[A:B]:D[C:X1]] .... do the math.
We see that the quote in SOM is just a non-mathematical way of saying
the same thing as the following from 1971.

http://web.media.mit.edu/~minsky/papers/PR1971.html

===============
Sec 4.6 Analog, again

................

In particular, two difference-descriptions can be compared as handily
as any other pair of descriptions.

Now we can apply this idea to the analogy problem. The machine must
select that scene X (from a small collection of alternatives) which
best completes the statement

A is to B as C is to X

That is, one must find how B relates to A and find an X that relates to
C in the same way. Using the expression D[A:B] to denote the
difference-description-network resulting from comparing A with B, we
simply compare the structures resulting from:

D[D[A:B]:D[C:X1]],
D[D[A:B]:D[C:X2]],
D[D[A:B]:D[C:X3]], etc.

Each of these summarizes the discrepancies within the "analogical
explanations" for each corresponding possible answer. So to make the
decision, we have to choose the "best" or "simplest" of these. We will
not give details of how this is done; it is described in Chapter 7 of
Winston's thesis.

===============

.

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