# Package org.apache.ignite.ml.recommendation

Contains recommendation system framework.

See: Description

- Class Summary
  Class | Description
  --- | ---
  ObjectSubjectPair<O extends Serializable,S extends Serializable> | Object-subject pair.
  ObjectSubjectRatingTriplet<O extends Serializable,S extends Serializable> | Object-subject-rating triplet.
  RecommendationModel<O extends Serializable,S extends Serializable> | Recommendation model that predicts rating for `ObjectSubjectPair`.
  RecommendationTrainer | Trainer of the recommendation system.

## Package org.apache.ignite.ml.recommendation Description

Contains recommendation system framework.

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Ignite Database and Caching Platform | : ver. 2.12.0
Release Date | : January 10 2022