Christine Poerschke commented on SOLR-8542:

bq. How about "Learning To Rank" as a sub-page of the "Query Re-Ranking" ... +1 
... I like that idea.

[Learning To 
Rank|https://cwiki.apache.org/confluence/display/solr/Learning+To+Rank] is now 
the documentation page. I renamed and relocated the page and updated 'code' and 
'ref guide' references to it. 
http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/987e2650 and 
http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/9b03e384 are the 
'code' commits.

bq. Regarding the alternative of "Machine Learned Ranking", how about reserving 
that for future use ...

Tentative page name and draft content now at 
because I think there's actually already enough functionality (Learning To Rank 
from SOLR-8542 here and [~joel.bernstein]'s Logistic Regression Text 
Classification) to bring the "future use" into the present - what do you think?

> Integrate Learning to Rank into Solr
> ------------------------------------
>                 Key: SOLR-8542
>                 URL: https://issues.apache.org/jira/browse/SOLR-8542
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Joshua Pantony
>            Assignee: Christine Poerschke
>             Fix For: master (7.0), 6.4
>         Attachments: SOLR-8542-branch_5x.patch, SOLR-8542.patch, 
> SOLR-8542-trunk.patch
> This is a ticket to integrate learning to rank machine learning models into 
> Solr. Solr Learning to Rank (LTR) provides a way for you to extract features 
> directly inside Solr for use in training a machine learned model. You can 
> then deploy that model to Solr and use it to rerank your top X search 
> results. This concept was previously [presented by the authors at Lucene/Solr 
> Revolution 
> 2015|http://www.slideshare.net/lucidworks/learning-to-rank-in-solr-presented-by-michael-nilsson-diego-ceccarelli-bloomberg-lp].
> ----
> Solr Reference Guide documentation:
> * https://cwiki.apache.org/confluence/display/solr/Result+Reranking
> Source code and README files:
> * 
> [solr/contrib/ltr|https://github.com/apache/lucene-solr/blob/master/solr/contrib/ltr]
> * 
> [solr/contrib/ltr/example|https://github.com/apache/lucene-solr/blob/master/solr/contrib/ltr/example]

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