From: amoroso@mclink.it   
      
   What happened to expert systems in industry within the past decade or   
   so?  Are they still used?  Are they just another one of those "once it   
   works, it's not AI" technologies?  Have expert systems been abandoned,   
   or replaced by something else?   
      
   Some context about my question.  I have been reading about, and   
   experimenting with, expert systems for the past few months.  I bought   
   from Amazon half a dozen well know books such as "Expert Systems -   
   Principles and Programming" by Giarratano, "Programming Expert Systems   
   in OPS5" by Brownston et al., "Building Expert Systems" by Hayes-Roth   
   et al., and a few more.   
      
   Although I have a basic knowledge of computing and AI history, I did   
   not closely follow recent AI research and applications.  Many early   
   expert systems books contain a lot of what might now be considered   
   hype.  But one of the books I bought, Feigenbaum's "The Rise of the   
   Expert Company", published in 1989, seem to tell several stories of   
   how this technology improved the bottom line of many companies.   
      
   To someone not deeply familiar with AI like me, all this seems to stop   
   around the AI winter.  So, I always wondered what happened to expert   
   systems since then.  I got Feigenbaum's book from Amazon at 0.01$ plus   
   shipping: is this any indication of the fate of expert systems? :)   
   Are expert systems alive and well?   
      
      
   Paolo   
   --   
   Lisp Propulsion Laboratory log - http://www.paoloamoroso.it/log   
      
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