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Class Summary | |
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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 SharingMapper s. |
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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