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https://issues.apache.org/jira/browse/SOLR-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jan Høydahl updated SOLR-1979:
------------------------------
Description:
Language identification from document fields, and mapping of field names to
language-specific fields based on detected language.
Wrap the Tika LanguageIdentifier in an UpdateProcessor.
was:
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 wrap the Tika LanguageIdentifier in an UpdateProcessor. The
processor is configurable like this:
{code:xml}
<processor
class="org.apache.solr.update.processor.LanguageIdentifierUpdateProcessorFactory">
<str name="inputFields">name,subject</str>
<str name="outputField">language_s</str>
<str name="idField">id</str>
<str name="fallback">en</str>
</processor>
{code}
It will then read the text from inputFields name and subject, perform language
identification and output the ISO code for the detected language in the
outputField. If no language was detected, fallback language is used.
> 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
> Assignee: Jan Høydahl
> Priority: Minor
> Attachments: SOLR-1979.patch, SOLR-1979.patch, SOLR-1979.patch,
> SOLR-1979.patch, SOLR-1979.patch
>
>
> Language identification from document fields, and mapping of field names to
> language-specific fields based on detected language.
> Wrap the Tika LanguageIdentifier in an UpdateProcessor.
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