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From "Ira Goldstein" <>
Subject RE: advice on integrating NLP engine during indexing
Date Thu, 20 Dec 2007 16:43:35 GMT
James --  
 Hi.  Various people have used RegEx to do negation detection.  includes a description of
one implementation that does negation detection.  

------ Original Message ------ 
 Received: Thu, 20 Dec 2007 11:10:00 AM EST 
 From: "James Ryley" <> 
 I can't answer your question -- sorry! But, I was curious about the NLP you  

 describe. Are there algorithms available for determining negation   
 automatically, and are they accurate?   

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