lucene/solr/contrib/clustering/CHANGES.txt

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Apache Solr Clustering Implementation
Intro:
See http://wiki.apache.org/solr/ClusteringComponent
CHANGES
$Id$
================== Release 4.0.0-dev ==============
* SOLR-2448: Search results clustering updates: bisecting k-means
clustering algorithm added, loading of Carrot2 stop words from
<solr.home>/conf/carrot2 (SOLR-2449), using Solr's stopwords.txt
for clustering (SOLR-2450), output of cluster scores (SOLR-2505)
(Stanislaw Osinski, Dawid Weiss).
================== Release 3.3.0-dev ==============
(No Changes)
================== Release 3.2.0 ==================
* SOLR-2448: Search results clustering updates: bisecting k-means
clustering algorithm added, loading of Carrot2 stop words from
<solr.home>/conf/carrot2 (SOLR-2449), using Solr's stopwords.txt
for clustering (SOLR-2450), output of cluster scores (SOLR-2505)
(Stanislaw Osinski, Dawid Weiss).
================== Release 3.1.0 ==================
* SOLR-1684: Switch to use the SolrIndexSearcher.doc(int, Set<String>) method b/c it can use the document cache (gsingers)
* SOLR-1692: Fix bug relating to carrot.produceSummary option (gsingers)
* SOLR-1804: Re-enabled clustering on trunk, updated to latest version of Carrot2. No more LGPL run-time dependencies.
This release of C2 also does not have a specific Lucene dependency. (Stanislaw Osinski, gsingers)
* SOLR-2282: Add distributed search support for search result clustering.
(Brad Giaccio, Dawid Weiss, Stanislaw Osinski, rmuir, koji)
================== Release 1.4.0 ==================
Solr Clustering will be released for the first time in Solr 1.4. See http://wiki.apache.org/solr/ClusteringComponent
for details on using.