org.apache.mahout.cf.taste.impl.recommender
Interfaces 
ClusterSimilarity
TopItems.Estimator
Classes 
AbstractRecommender
CachingRecommender
FarthestNeighborClusterSimilarity
GenericBooleanPrefUserBasedRecommender
GenericItemBasedRecommender
GenericItemBasedRecommender.MostSimilarEstimator
GenericRecommendedItem
GenericUserBasedRecommender
ItemAverageRecommender
ItemUserAverageRecommender
NearestNeighborClusterSimilarity
NullRescorer
RandomRecommender
SimilarUser
TopItems
TreeClusteringRecommender
TreeClusteringRecommender2