org.apache.mahout.cf.taste.neighborhood

Interface UserNeighborhood

All Superinterfaces:

Refreshable

All Known Implementing Classes:

CachingUserNeighborhood, NearestNUserNeighborhood, ThresholdUserNeighborhood

public interface UserNeighborhood
extends Refreshable

Implementations of this interface compute a "neighborhood" of users like a given user. This neighborhood can be used to compute recommendations then.

Method Summary

Modifier and Type	Method and Description
long[]	getUserNeighborhood(long userID)

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

refresh

Method Detail

getUserNeighborhood

long[] getUserNeighborhood(long userID)
                    throws TasteException

Parameters:

userID - ID of user for which a neighborhood will be computed

Returns:

IDs of users in the neighborhood

Throws:

TasteException - if an error occurs while accessing data