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