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

Class Summary
FeatureVectorWithRatingWritable  
IndexedVarIntWritable  
IndexedVarIntWritable.GroupingComparator  
IndexedVarIntWritable.SecondarySortComparator  
ParallelALSFactorizationJob MapReduce implementation of the factorization algorithm described in "Large-scale Parallel Collaborative Filtering for the Netflix Prize" available at http://www.hpl.hp.com/personal/Robert_Schreiber/papers/2008%20AAIM%20Netflix/netflix_aaim08(submitted).pdf.
PredictionJob Compute predictions for user,item pairs using an existing matrix factorization
PredictionJob.FeaturesMapper  
PredictionJob.JoinProbesWithItemFeaturesReducer  
PredictionJob.PairsMapper  
PredictionJob.PredictRatingReducer  
TaggedVarIntWritable  
TaggedVarIntWritable.GroupingComparator  
TaggedVarIntWritable.SecondarySortComparator  
VectorWithIndexWritable  
 



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