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https://issues.apache.org/jira/browse/SOLR-10351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-10351:
----------------------------------
    Labels: NLP Streaming  (was: )

> Add analyze Stream Evaluator to support streaming NLP
> -----------------------------------------------------
>
>                 Key: SOLR-10351
>                 URL: https://issues.apache.org/jira/browse/SOLR-10351
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>              Labels: NLP, Streaming
>             Fix For: 6.6
>
>
> The *analyze* Stream Evaluator uses a Solr analyzer to return a collection of 
> tokens from a *text field*. The collection of tokens can then be streamed out 
> by  the *cartesianProduct* Streaming Expression or attached to documents as 
> multi-valued fields by the *select* Streaming Expression.
> This allows Streaming Expressions to leverage all the existing tokenizers and 
> filters and provides a place for future NLP analyzers to be added to 
> Streaming Expressions.
> Sample syntax:
> {code}
> cartesianProduct(expr, analyze(analyzerField, textField) as outfield )
> {code}
> {code}
> select(expr, analyze(analyzerField, textField) as outfield )
> {code}
> Combined with Solr's batch text processing capabilities this provides an 
> entire parallel NLP framework. Solr's batch processing capabilities are 
> described here:
> *Batch jobs, Parallel ETL and Streaming Text Transformation*
> http://joelsolr.blogspot.com/2016/10/solr-63-batch-jobs-parallel-etl-and.html



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