Hi Christoph,

Christoph Helma wrote:
> Excerpts from Nina Jeliazkova's message of Tue Sep 29 16:01:03 +0200 2009:
>> Jörg Kurt Wegner wrote:
>>>> I don't know whether this has been discussed before - but has PMML been
>>>> considered as a model exchange format? While it doesn't directly support
>>>>     
>> Since nobody answered so far, I would try to. PMML has been discussed
>> and agreed to be a good choice for model exchange format.  The main
>> issue currently is limited (read only and not for all type of models)
>> Weka support for PMML models.   With some efforts this might be
>> resolved, what is more challenging is how to make use of PMML for
>> specific SAR and (Q)SAR models, for example those based on structural
>> alerts. In particular it is not clear to me how to describe Toxtree in
>> PMML in a generic way and I am curious if Christoph has a solution for
>> the lazar system.
> 
> Having a quick look at PMML I have found a TreeModel
> (http://www.dmg.org/v4-0/TreeModel.html), but I have no idea if that
> could work for Toxtree. I have found nothing about the representation of
> nearest neighbor models and it lacks also graph mining models.
SVMs are frequently used with fragment descriptors and there is support 
for SVMs in PMML. Nearest neighbor models are currently not supported.

Greetings
Andreas