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Posted to issues@spark.apache.org by "William Benton (JIRA)" <ji...@apache.org> on 2016/09/14 22:33:20 UTC

[jira] [Created] (SPARK-17548) Word2VecModel.findSynonyms can spuriously reject the best match when invoked with a vector

William Benton created SPARK-17548:
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             Summary: Word2VecModel.findSynonyms can spuriously reject the best match when invoked with a vector
                 Key: SPARK-17548
                 URL: https://issues.apache.org/jira/browse/SPARK-17548
             Project: Spark
          Issue Type: Bug
          Components: MLlib
    Affects Versions: 2.0.0, 1.6.2, 1.5.2, 1.4.1
         Environment: any
            Reporter: William Benton
            Priority: Minor


The `findSynonyms` method in `Word2VecModel` currently rejects the best match a priori. When `findSynonyms` is invoked with a word, the best match is almost certain to be that word, but `findSynonyms` can also be invoked with a vector, which might not correspond to any of the words in the model's vocabulary.  In the latter case, rejecting the best match is spurious.



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