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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