com.planetj.taste.recommender
Interface UserBasedRecommender

All Superinterfaces:

Recommender, Refreshable

All Known Implementing Classes:

GenericUserBasedRecommender

public interface UserBasedRecommender
extends Recommender

Interface implemented by "user-based" recommenders.

Since:

1.1

Author:

Sean Owen

Method Summary

java.util.List<User>	mostSimilarUsers(java.lang.Object userID, int howMany)
java.util.List<User>	mostSimilarUsers(java.lang.Object userID, int howMany, Rescorer<Pair<User,User>> rescorer)

Methods inherited from interface com.planetj.taste.recommender.Recommender

estimatePreference, getDataModel, recommend, recommend, removePreference, setPreference

Methods inherited from interface com.planetj.taste.common.Refreshable

refresh

Method Detail

mostSimilarUsers

@NotNull
java.util.List<User> mostSimilarUsers(java.lang.Object userID,
                                              int howMany)
                                      throws TasteException

Parameters:

userID - ID of User for which to find most similar other Users

howMany - desired number of most similar Users to find

Returns:

Users most similar to the given user

Throws:

TasteException - if an error occurs while accessing the DataModel

mostSimilarUsers

@NotNull
java.util.List<User> mostSimilarUsers(java.lang.Object userID,
                                              int howMany,
                                              Rescorer<Pair<User,User>> rescorer)
                                      throws TasteException

Parameters:

userID - ID of User for which to find most similar other Users

howMany - desired number of most similar Users to find

rescorer - Rescorer which can adjust user-user correlation estimates used to determine most similar users

Returns:

Users most similar to the given user

Throws:

TasteException - if an error occurs while accessing the DataModel

Since:

1.5.1