[jira] Updated: (SOLR-1979) Create LanguageIdentifierUpdateProcessor

["Jan Høydahl (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jan Høydahl updated SOLR-1979:
------------------------------

    Attachment: SOLR-1979.patch

First raw patch implementing language identification.

> Create LanguageIdentifierUpdateProcessor
> ----------------------------------------
>
>                 Key: SOLR-1979
>                 URL: https://issues.apache.org/jira/browse/SOLR-1979
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>            Reporter: Jan Høydahl
>            Priority: Minor
>         Attachments: SOLR-1979.patch
>
>
> We need the ability to detect language of some random text in order to act upon it, such as indexing the content into language aware fields. Another usecase is to be able to filter/facet on language on random unstructured content.
> To do this, we should wrap the [Nutch LanguageIdentifier|http://nutch.apache.org/apidocs-1.1/org/apache/nutch/analysis/lang/LanguageIdentifier.html"] in an UpdateProcessor. The processor should be configured like this:
> {code:xml} 
>   <processor class="org.apache.solr.update.processor.LanguageIdentifierUpdateProcessorFactory">
>     <str name="inputFields">title,teaser,body</str>
>     <str name="isoOutputField">language</str>
>     <str name="fullOutputField">language_display</str>
>   </processor>  
> {code} 

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