[jira] [Commented] (SPARK-8555) Online Variational Inference for the Hierarchical Dirichlet Process

["yuhao yang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-8555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14597237#comment-14597237 ] 

yuhao yang commented on SPARK-8555:
-----------------------------------

A basic implementation on https://github.com/hhbyyh/HDP, which still needs a lot of improvement and evaluation on performance and scalability.

> Online Variational Inference for the Hierarchical Dirichlet Process
> -------------------------------------------------------------------
>
>                 Key: SPARK-8555
>                 URL: https://issues.apache.org/jira/browse/SPARK-8555
>             Project: Spark
>          Issue Type: New Feature
>          Components: MLlib
>            Reporter: yuhao yang
>            Priority: Minor
>
> The task is created for exploration on the online HDP algorithm described in
> http://jmlr.csail.mit.edu/proceedings/papers/v15/wang11a/wang11a.pdf.
> Major advantage for the algorithm: one pass on corpus, streaming friendly, automatic K (topic number).
> Currently the scope is to support online HDP for topic modeling, i.e. probably an optimizer for LDA.



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