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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2018/01/29 21:13:00 UTC

[jira] [Commented] (SOLR-10786) Add DBSCAN clustering Streaming Evaluator

    [ https://issues.apache.org/jira/browse/SOLR-10786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16344035#comment-16344035 ] 

Joel Bernstein commented on SOLR-10786:
---------------------------------------

Solr 7.3 has kmeans++, fuzzyKmeans clustering. But DBSCAN clustering just to slow I thought to be useful for the Solr users. I will try it again sometime to see if it was just how I put things together, but it was painfully slow compared to kmeans.

> Add DBSCAN clustering Streaming Evaluator
> -----------------------------------------
>
>                 Key: SOLR-10786
>                 URL: https://issues.apache.org/jira/browse/SOLR-10786
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>            Priority: Major
>             Fix For: master (8.0), 7.3
>
>         Attachments: SOLR-10786.patch, SOLR-10786.patch, SOLR-10786.patch
>
>
> The DBSCAN clustering Stream Evaluator will cluster numeric vectors using the DBSCAN clustering algorithm.
> Clustering implementation will be provided by Apache Commons Math.



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