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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/08/12 23:16:45 UTC

[jira] [Created] (SPARK-9903) Skip local processing in PrefixSpan if there are no small prefixes

Xiangrui Meng created SPARK-9903:
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             Summary: Skip local processing in PrefixSpan if there are no small prefixes
                 Key: SPARK-9903
                 URL: https://issues.apache.org/jira/browse/SPARK-9903
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
    Affects Versions: 1.5.0
            Reporter: Xiangrui Meng
            Assignee: Xiangrui Meng


There exists a chance that the prefixes keep growing to the maximum pattern length. Then the final local processing step becomes unnecessary.



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