Package com.cloudera.oryx.app.als

Support code for rALS recommender application functionality common to several layers.

See: Description

Interface Summary

Interface	Description
FeatureVectors	Encapsulates a feature vectors, keyed by an ID, and associated data structures.
Rescorer	Implementations of this interface can "rescore" the recommender's score for a item that is a candidate for recommendation.
RescorerProvider	Implementations of this interface provide, optionally, objects that can be used to modify and influence the results of endpoints like Recommend, Similarity, etc.

Class Summary

Class	Description
AbstractRescorerProvider	Abstract implementation of RescorerProvider which implements all methods to return null.
ALSUtils	ALS-related utility methods for the app tier.
FeatureVectorsPartition	Encapsulates a feature vectors, keyed by an ID, and associated data structures.
MultiRescorer	Convenience implementation that will aggregate the behavior of multiple Rescorers.
MultiRescorerProvider	Convenience implementation that will aggregate the behavior of RescorerProviders.
PartitionedFeatureVectors	Encapsulates a feature vectors, keyed by an ID, and associated data structures.
SolverCache	A cache around a Solver that manages computing it when necessary from FeatureVectors, tracking when it must be recomputed, and doing so correctly in the presence of multiple threads.

Package com.cloudera.oryx.app.als Description

Support code for rALS recommender application functionality common to several layers.