Zeno Gantner created MAHOUT-1106:
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Summary: SVD++
Key: MAHOUT-1106
URL: https://issues.apache.org/jira/browse/MAHOUT-1106
Project: Mahout
Issue Type: New Feature
Components: Collaborative Filtering
Reporter: Zeno Gantner
Assignee: Sean Owen
Initial shot at SVD++.
Relies on the RatingsSGDFactorizer class introduced in MAHOUT-1089.
One could also think about several enhancements, e.g. having separate
regularization constants for user and item factors.
I am also the author of the SVDPlusPlus class in MyMediaLite, so if there are
any similarities, no need to worry -- I am okay with relicensing this to the
Apache 2.0 license.
https://github.com/zenogantner/MyMediaLite/blob/master/src/MyMediaLite/RatingPrediction/SVDPlusPlus.cs
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