org.apache.mahout.cf.taste.recommender
Interface ClusteringRecommender

All Superinterfaces:

Recommender, Refreshable

All Known Implementing Classes:

TreeClusteringRecommender, TreeClusteringRecommender2

public interface ClusteringRecommender
extends Recommender

Interface implemented by "clustering" recommenders.

Method Summary

FastIDSet	getCluster(long userID) Returns the cluster of users to which the given user, denoted by user ID, belongs.
FastIDSet[]	getClusters() Returns all clusters of users.

Methods inherited from interface org.apache.mahout.cf.taste.recommender.Recommender

estimatePreference, getDataModel, recommend, recommend, removePreference, setPreference

Methods inherited from interface org.apache.mahout.cf.taste.common.Refreshable

refresh

Method Detail

getCluster

FastIDSet getCluster(long userID)
                     throws TasteException

Returns the cluster of users to which the given user, denoted by user ID, belongs.

Parameters:

userID - user ID for which to find a cluster

Returns:

FastIDSet of IDs of users in the requested user's cluster

Throws:

TasteException - if an error occurs while accessing the DataModel

getClusters

FastIDSet[] getClusters()
                        throws TasteException

Returns all clusters of users.

Returns:

array of FastIDSets of user IDs

Throws:

TasteException - if an error occurs while accessing the DataModel