Pat Ferrel created MAHOUT-1464:
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Summary: RowSimilarityJob on Spark
Key: MAHOUT-1464
URL: https://issues.apache.org/jira/browse/MAHOUT-1464
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Affects Versions: 0.9
Environment: hadoop, spark
Reporter: Pat Ferrel
Fix For: 0.9
Create a version of RowSimilarityJob that runs on Spark. Ssc has a prototype
here: https://gist.github.com/sscdotopen/8314254. This should be compatible
with Mahout Spark DRM DSL so a DRM can be used as input.
Ideally this would extend to cover MAHOUT-1422 which is a feature request for
RSJ on two inputs to calculate the similarity of rows of one DRM with those of
another. This cross-similarity has several applications including cross-action
recommendations.
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