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Posted to issues@spark.apache.org by "Yun Ni (JIRA)" <ji...@apache.org> on 2017/02/28 19:15:45 UTC

[jira] [Created] (SPARK-19771) Support OR-AND amplification in Locality Sensitive Hashing (LSH)

Yun Ni created SPARK-19771:
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             Summary: Support OR-AND amplification in Locality Sensitive Hashing (LSH)
                 Key: SPARK-19771
                 URL: https://issues.apache.org/jira/browse/SPARK-19771
             Project: Spark
          Issue Type: Improvement
          Components: ML
    Affects Versions: 2.1.0
            Reporter: Yun Ni


The current LSH implementation only supports AND-OR amplification. We need to discuss the following questions before we goes to implementations:
(1) Whether we should support OR-AND amplification
(2) What API changes we need for OR-AND amplification
(3) How we fix the approxNearestNeighbor and approxSimilarityJoin internally.



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