Baysian nets or fuzzy-logic

Hi,
I wonder, if someone is working with GRASS and
a) Tree-based methods for probabilistic decisions
b) fuzzy theorie (for classification).

If so, please drop me a line, thanks!

Dieter
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Dieter Lehmann
University of applied Sciences
Schelmenwasen 4-8
D-72622 Nuertingen, Germany
lehmann@fh-nuertingen.de
Phone: +49 (0) 7022 404 Ext. 192 or Ext. 152
Fax: +49 (0) 7022 404 Ext. 166