From: noname@nodomain.com   
      
   Luis Filipe Santos wrote:   
   > Hi all,   
   >   
   > I'm going to develop an expert system. I would like to know what is the   
   > most used way to represent knowledge in current systems and what are   
   > the major advantages and drawbacks of each option, like if-then rules,   
   > frames, semantic networks,...   
   >   
   > Thanks in advance,   
   > Filipe.   
   >   
      
   Hi Luis,   
      
   Have a look at this site http://www.ghg.net/clips/CLIPS.html   
   Download the expert system shell clips and download all its documentation.   
   That should give you an understanding of expert systems.   
      
   Hope that helps   
      
   All the best   
      
   Fidel.   
      
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