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| Class Summary | |
|---|---|
| DatasetSplitter | Split a recommendation dataset into a training and a test set |
| FactorizationEvaluator | Measures the root-mean-squared error of a rating matrix factorization against a test set. |
| FactorizationEvaluator.PredictRatingsMapper | |
| MultithreadedSharingMapper<K1,V1,K2,V2> | Multithreaded Mapper for SharingMappers. |
| ParallelALSFactorizationJob | MapReduce implementation of the two factorization algorithms described in |
| PredictionMapper | a multithreaded mapper that loads the feature matrices U and M into memory. |
| RecommenderJob | Computes the top-N recommendations per user from a decomposition of the rating matrix |
| SharingMapper<K1,V1,K2,V2,S> | Mapper class to be used by MultithreadedSharingMapper. |
| SolveExplicitFeedbackMapper | Solving mapper that can be safely executed using multiple threads |
| SolveImplicitFeedbackMapper | Solving mapper that can be safely executed using multiple threads |
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