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package org.apache.mahout.cf.taste.recommender;

Interface implemented by "user-based" recommenders.

public interface UserBasedRecommender extends Recommender {

  

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:
org.apache.mahout.cf.taste.common.TasteException if an error occurs while accessing the org.apache.mahout.cf.taste.model.DataModel
  long[] mostSimilarUserIDs(long userIDint howManythrows 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 similarity estimates used to determine most similar users
Returns:
IDs of users most similar to the given user
Throws:
org.apache.mahout.cf.taste.common.TasteException if an error occurs while accessing the org.apache.mahout.cf.taste.model.DataModel
  long[] mostSimilarUserIDs(long userIDint howManyRescorer<LongPairrescorerthrows TasteException;
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