From: Hannes.Gassert@unifr.ch   
      
   William Siler wrote on Thu, 03 Jun 2004 21:49:58 -0700:   
      
      
   > I was finally able to get them from your site.   
      
   It's not my site, it's just the first hit on Google containing the formula.   
      
   > I for one cannot see what these operators are good for, or on what theory   
   > they are based. (Maybe that's why none of the rest of us seem to have   
   > ever heard of them.)   
   > In any event, I think that the above is what we are   
   > talking about.   
      
   Indeed. I'm not at all an expert in this field, just an ordinary student   
   having a look at the different operators  for union and intersection. I   
   have several books here that _list_ the pair of Einstein operators   
   (together with Hamacher, bounded sum/product and of course Min/Max), but   
   none of them gives any further information. So I thought perhaps they need   
   not to explain because everybody knows about them and that their effects   
   are trivial to interpret.. so I thought you people could certainly help me.   
      
   > You do say that it seems to be a rather common one, described in a lot of   
   > documents. I certainly never heard of it, and apparently no-one else on   
   > this news group has heard of it either. Frankly, I haven't missed it!   
      
   Ok, that's sort of a clear statement :) Knowing that virtually nobody uses   
   it is already good to know.   
      
   If anybody knows a bit more about this specific operator and about the   
   cases it performs well (as e.g. in the text classification experiment   
   described in http://students.cs.tamu.edu/dhw7942/papers/fuzzieee00.pdf),   
   I'd still be glad to hear from you.   
      
   Thanks a lot,   
      
   Hannes Gassert,   
   Fribourg, Switzerland   
      
      
      
   --   
   http://hannes.kaywa.com   
      
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