Tommaso Teofili created SOLR-3700:
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             Summary: Create a Classification component
                 Key: SOLR-3700
                 URL: https://issues.apache.org/jira/browse/SOLR-3700
             Project: Solr
          Issue Type: New Feature
            Reporter: Tommaso Teofili
            Priority: Minor


Lucene/Solr can host huge sets of documents containing lots of information in 
fields so that these can be used as training examples (w/ features) in order to 
very quickly create classifiers algorithms to use on new documents and / or to 
provide an additional service.
So the idea is to create a contrib module (called 'classification') to host a 
ClassificationComponent that will use already seen data (the indexed documents 
/ fields) to classify new documents / text fragments.
The first version will contain a (simplistic) Lucene based Naive Bayes 
classifier but more implementations should be added in the future.

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