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From Apache Wiki <wikidi...@apache.org>
Subject [Jackrabbit Wiki] Update of "SimilaritySearch" by MarcelReutegger
Date Fri, 20 Jun 2008 12:58:53 GMT
Dear Wiki user,

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The following page has been changed by MarcelReutegger:
http://wiki.apache.org/jackrabbit/SimilaritySearch

The comment on the change is:
Added info about conditions that must be met for the similarity search to work

------------------------------------------------------------------------------
  Starting with version, 1.4 Jackrabbit allows you to search for nodes that are similar to
an existing node.
+ 
+ Similarity is determined by looking up terms that are common to nodes. There are some conditions
that must be met for a term to be considered. This is required to limit the number possibly
relevant terms.
+ 
+  * Only terms with at least 4 characters are considered.
+  * Only terms that occur it at least 5 nodes are considered. 
+ 
+ '''Note''': The similarity functionality requires that the {{{supportHightlighting}}} is
enabled. Please make sure that you have the following parameter set for the query handler
in your workspace.xml.
+ 
+ {{{
+ <param name="supportHighlighting" value="true"/>
+ }}}
  
  The functions are called rep:similar() (in XPath) and similar() (in SQL) and have two arguments:
  

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