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Subject: Re: Question about SOS

Author: Gian-Carlo Pascutto

Date: 08:35:42 06/19/00

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On June 19, 2000 at 08:14:28, Andrew Williams wrote:

>Yes. Mine is MTD too, but it doesn't print out the detailed
>information on every increment. It's interesting to see that
>SOS seems to increment by 1 most of the time. Mine "accelerates"
>the increment as it becomes clear that the score is going up a
>long way.

It is probably using the plain MTD(n,f) algorithm as described by
Plaat et al.

I.e. using the result of the search as the new guess.

I remember from Aske's papers that he thought it might be possible
to improve it by doing something like you describe.

So, I suppose it does help?

--
GCP



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