From: hibou00000nospam@enterprise.net   
      
   Stuart Kerrigan wrote:   
   >   
   > > I'm looking to find an expert system shell for introductory users that   
   > > allows them to view their rules using a decision tree structure. Does   
   > > anyone know if such a thing exists and is freeware/shareware - perhaps   
   > > a routine for CLIPS? The idea would be to make the interface as   
   > > attractive as possible rather than command line and text editor   
   > > driven.   
   > >   
   > > Thanks   
   > >   
   > > Stuart   
   >   
   > Any advice? Anyone?   
      
   I'll bite.   
      
   CLIPS is forward chaining, and decision trees are more closely related   
   to backward chaining systems (though of course they could be implemented   
   in something like CLIPS, but not very clearly).   
      
   I can't help you with a visual representation other than to say   
   that Texas Instruments used to market a product called Arborist   
   which implemented decision trees and displayed them (IIRC)   
   graphically.   Perhaps there's now a freeware version.   
      
   > Stuart   
      
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