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
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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