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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Update of "ClusteringComponent" by StanislawOsinski
Date Tue, 06 Apr 2010 19:50:49 GMT
Dear Wiki user,

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

The "ClusteringComponent" page has been changed by StanislawOsinski.
http://wiki.apache.org/solr/ClusteringComponent?action=diff&rev1=35&rev2=36

--------------------------------------------------

  See http://project.carrot2.org
  
  === Parameters ===
- 
   * carrot.algorithm - The engine to use as configured in the !SearchComponent.
   * carrot.title - The title field name to use.
-  * carrot.url - The url field name. 
+  * carrot.url - The url field name.
   * carrot.snippet - The snippet field name.
   * carrot.produceSummary - If true, then the snippet field (if no snippet field, then the
title field) will be highlighted and the highlighted text will be used for the snippet.
   * carrot.numDescriptions - The maximum number of labels to produce
   * carrot.outputSubClusters - if true, generate subclusters
   * carrot.fragSize - <!> [[Solr1.5]] <!> The frag size to use when produceSummary
is true, for highlighting.  If not specified, the default highlighting fragsize (hl.fragsize)
will be used.  If that isn't specified, then 100.
  
+ Additionally, parameters of a specific clustering algorithm, e.g. `LingoClusteringAlgorithm.desiredClusterCountBase`
can be specified. A complete list of clustering algorithm is available in Carrot2 documentation:
+ 
+  * [[http://download.carrot2.org/head/manual/#section.component.lingo|Lingo clustering algorithm
parameters]]
+  * [[http://download.carrot2.org/head/manual/#section.component.stc|STC clustering algorithm
parameters]]
+ 
+ You can specify clustering algorithm parameters both in `solrconfig.xml` (see below for
an example) and at request time, e.g.:
+ 
+ http://localhost:8983/solr/clustering?q=*:*&rows=10&LingoClusteringAlgorithm.desiredClusterCountBase=20
+    
+ 
  === Config ===
- 
  The configuration (solrconfig.xml) looks like:
  
  {{{

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