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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2015/05/14 19:35:59 UTC

[jira] [Created] (SPARK-7641) Add subsampling of frequent words for Word2Vec

Liang-Chi Hsieh created SPARK-7641:
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             Summary: Add subsampling of frequent words for Word2Vec
                 Key: SPARK-7641
                 URL: https://issues.apache.org/jira/browse/SPARK-7641
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: Liang-Chi Hsieh


According to the paper [1], subsampling frequent words can accelerate learning and signiﬁcantly improves the accuracy of the learned vectors. This ticket is proposed to add it into current Word2Vec.

[1] Tomas Mikolov et al., "Distributed Representations of Words and Phrases and their Compositionality"  



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