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From Apache Wiki <wikidi...@apache.org>
Subject [Lucene-hadoop Wiki] Trivial Update of "NewsPersonalizationSystem" by udanax
Date Mon, 14 Jan 2008 06:03:59 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Lucene-hadoop Wiki" for change notification.

The following page has been changed by udanax:
http://wiki.apache.org/lucene-hadoop/NewsPersonalizationSystem

------------------------------------------------------------------------------
  
  == Covisitation count ==
  
-  * For each story si store the covisitation counts with other stories c(si, sj )
+  * For each story si store the covisitation counts with other stories c(si, sj)
   * Candidate story: sk
   * User history: s1,…, sn 
   * score (si, sj) = c(si, sj)/∑m c(si, sm)

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