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

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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