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https://issues.apache.org/jira/browse/SPARK-7764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14552730#comment-14552730
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Apache Spark commented on SPARK-7764:
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User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/6286
> Add negative sampling to Word2Vec
> ---------------------------------
>
> Key: SPARK-7764
> URL: https://issues.apache.org/jira/browse/SPARK-7764
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Liang-Chi Hsieh
>
> The paper [1] proposed negative sampling approach that is more efficient than
> hierarchical softmax for training Word2Vec model. This ticket is proposed to
> add the support of negative sampling to current Word2Vec implementation.
> [1] Tomas Mikolov et al., "Distributed Representations of Words and Phrases
> and their Compositionality"
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