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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-9186) Logistic regression modeling for text
Date Wed, 08 Jun 2016 13:32:21 GMT

    [ https://issues.apache.org/jira/browse/SOLR-9186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15320544#comment-15320544
] 

Joel Bernstein commented on SOLR-9186:
--------------------------------------

I'm focusing on SOLR-9193 first. So feel free to submit a patch. Let me know if you'd like
to discuss the design before you start.

> Logistic regression modeling for text
> -------------------------------------
>
>                 Key: SOLR-9186
>                 URL: https://issues.apache.org/jira/browse/SOLR-9186
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>
> SOLR-8492 optimizes a logistic regression model for numeric fields. While this is interesting,
I think it would be more interesting to build logistic regression models on text within an
inverted index.
> This ticket will use the same *parallel iterative framework* as SOLR-8492, but different
data access patterns on the shards, to optimize a logistic regression model on text.
> This will support use cases such as building models for spam detection, sentiment analysis
and threat detection.



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