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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/05/20 19:39:00 UTC

[jira] [Assigned] (SPARK-7764) Add negative sampling to Word2Vec

     [ https://issues.apache.org/jira/browse/SPARK-7764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-7764:
-----------------------------------

    Assignee:     (was: Apache Spark)

> 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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