I am not an English speaker. I read both verbs for the first time in a
mid-80s MS/DOS program called PC-Tools (Central Point Software). It was
the first MS/DOS program that was able to move a complete directory from
one path to another and it called that "pruning" and "grafting". Since
then, ma
other plants would be "unpruned" or not
pruned at all.
- Original Message
From: Stuart A. Yeates <[EMAIL PROTECTED]>
To: computer-go
Sent: Friday, May 25, 2007 11:50:05 AM
Subject: Re: [computer-go] Progressive unpruning in Mango 19x19
On 5/24/07, Chaslot G (MICC) &
While grafting is almost always something foreign ( "scion" ) wed to a root
stock, there are examples of arborscuplture, where all parts of the graft
appear to be of the same stock:
http://en.wikipedia.org/wiki/Image:Neadle.jpg
On the other hand, the method under discussion appears to be a meth
On 5/24/07, Chaslot G (MICC) <[EMAIL PROTECTED]> wrote:
Question for native English speakers: do you think this technique is best
described by "progressive unpruning" or "progressive widening"?
Widening and pruning have different implications, at least to me (a
native English speaker).
Wideni
On 5/25/07, Peter Drake <[EMAIL PROTECTED]> wrote:
I was under the impression that grafting was used more often for attaching
a foreign branch (e.g., to make a pear grow on an apple tree) than for
repair. I'm probably wrong about this.
That's the same that I've heard. It may be the norm tha
In message <[EMAIL PROTECTED]>, Richard Brown <[EMAIL PROTECTED]>
writes
Nick Wedd wrote:
I prefer "unprune" to "graft".
"Graft" implies adding something to a tree which does not naturally
belong there.
Not "naturally"?
Consider a tree, to which you, the tree surgeon, have taken a pair of
I was under the impression that grafting was used more often for
attaching a foreign branch (e.g., to make a pear grow on an apple
tree) than for repair. I'm probably wrong about this.
Still, in a graft, the thing being grafted on exists and is attached
to the tree. The algorithm in questio
Nick Wedd wrote:
I prefer "unprune" to "graft".
"Graft" implies adding something to a tree which does not naturally
belong there.
Not "naturally"?
Consider a tree, to which you, the tree surgeon, have taken a pair of shears,
and lopped off a branch. What has been pruned, has been pruned.
In message <[EMAIL PROTECTED]>, Richard Brown <[EMAIL PROTECTED]>
writes
Chaslot G (MICC) wrote:
Question for native English speakers: do you think this technique is
best described by “progressive unpruning” or “progressive widening”?
By neither.
Allow me to suggest a third alternative, one
I think grafting would imply attaching an already-existing structure,
as in genetic programming. This is just about expanding the allowable
area into which the tree grows.
Maybe the bonsai folks have a term for this...
Peter Drake
http://www.lclark.edu/~drake/
On May 24, 2007, at 10:56 AM
If you want to go this way, I would use "progressive branching."
Cheers,
David
On 24, May 2007, at 10:56 AM, Richard Brown wrote:
Allow me to suggest a third alternative, one which I believe to be
best,
"progressive grafting".
___
computer-go m
g is generally a somewhat
irreversible action.
s.
- Original Message
From: Brian Slesinsky <[EMAIL PROTECTED]>
To: computer-go
Sent: Thursday, May 24, 2007 12:39:24 PM
Subject: Re: [computer-go] Progressive unpruning in Mango 19x19
On 5/24/07, Chaslot G (MICC) <[EMAIL PROTECTED]
On 5/24/07, Chaslot G (MICC) <[EMAIL PROTECTED]> wrote:
do you think this technique is best
described by "progressive unpruning" or "progressive widening"?
I'd vote for iterative widening. Or has that been rendered unusable by
Cazenave ;-)
As several others have already pointed out 'unpruning'
some tree heuristics good, some tree heuristics bad.
s.
- Original Message
From: Peter Drake <[EMAIL PROTECTED]>
To: computer-go
Sent: Thursday, May 24, 2007 12:53:03 PM
Subject: Re: [computer-go] Progressive unpruning in Mango 19x19
This interesting -- it implies th
Chaslot G (MICC) wrote:
Question for native English speakers: do you think this technique is
best described by “progressive unpruning” or “progressive widening”?
By neither.
Allow me to suggest a third alternative, one which I believe to be best,
"progressive grafting".
Just as a gardener "p
Widening sounds more natural to me.
On 5/24/07, Chaslot G (MICC) <[EMAIL PROTECTED]> wrote:
Dear all,
I did experiments on 19x19 Mango with 25000 simulations per move, against
GnuGo 3.6 level 0.
Without progressive unpruning, Mango wins 2.9% (250 games), and with
progressive unpruning, Ma
Sent: Thursday, May 24, 2007 12:39:24 PM
Subject: Re: [computer-go] Progressive unpruning in Mango 19x19
On 5/24/07, Chaslot G (MICC) <[EMAIL PROTECTED]> wrote:
> Question for native English speakers: do you think this technique is best
> described by "progressive unpruning&q
Question for native English speakers: do you think this technique is
best described by “progressive unpruning” or “progressive widening”?
I used this term in reference to Tristan Cazenave's "iterative widening"
and "generalized widening" (I should have cited him). See:
http://www.ai.univ-paris
ave Hillis
-Original Message-
From: John Tromp
To: computer-go
Sent: Thu, 24 May 2007 12:05 pm
Subject: Re: [computer-go] Progressive unpruning in Mango 19x19
> Question for native English speakers: do you think this technique
is best
> described by "progressive unpruning"
On 5/24/07, John Tromp <[EMAIL PROTECTED]> wrote:
> Question for native English speakers: do you think this technique is best
> described by "progressive unpruning" or "progressive widening"?
I'm no native speaker, but I think using the word "selectivity" may be
most descriptive.
Does "regressiv
AIL PROTECTED]
- Original Message
From: Chaslot G (MICC) <[EMAIL PROTECTED]>
To: computer-go
Sent: Thursday, May 24, 2007 8:50:02 AM
Subject: [computer-go] Progressive unpruning in Mango 19x19
Dear all,
I did experiments on 19x19 Mango with 25000
simulations
This interesting -- it implies that the place to use the heuristics
IS in the tree rather than in the playouts.
Peter Drake
http://www.lclark.edu/~drake/
On May 24, 2007, at 8:50 AM, Chaslot G (MICC) wrote:
Dear all,
I did experiments on 19x19 Mango with 25000 simulations per move,
ag
On 5/24/07, Chaslot G (MICC) <[EMAIL PROTECTED]> wrote:
Question for native English speakers: do you think this technique is best
described by "progressive unpruning" or "progressive widening"?
I think "progressive widening" sounds a little better.
- Brian
thanks to the authors!
- Dave Hillis
-Original Message-
From: John Tromp <[EMAIL PROTECTED]>
To: computer-go
Sent: Thu, 24 May 2007 12:05 pm
Subject: Re: [computer-go] Progressive unpruning in Mango 19x19
> Question for native English speakers: do you think this technique
"Widening" sounds more natural to me.
Peter Drake
http://www.lclark.edu/~drake/
On May 24, 2007, at 8:50 AM, Chaslot G (MICC) wrote:
Dear all,
I did experiments on 19x19 Mango with 25000 simulations per move,
against GnuGo 3.6 level 0.
Without progressive unpruning, Mango wins 2.9% (2
Question for native English speakers: do you think this technique is best
described by "progressive unpruning" or "progressive widening"?
I'm no native speaker, but I think using the word "selectivity" may be
most descriptive.
Does "regressive selectivity" sound too weird ?
regards,
-John
_
Dear all,
I did experiments on 19x19 Mango with 25000 simulations per move,
against GnuGo 3.6 level 0.
Without progressive unpruning, Mango wins 2.9% (250 games), and with
progressive unpruning, Mango wins 31% (400 games).
I proposed progressive unpruning in this paper:
http://www.cs.unim
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