Package org.apache.mahout.cf.taste.hadoop.als

Class Summary

Class	Description
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