When I use GenericUserBasedRecommender, want to by implementing IDRescorer to 
filter the user encountered problems: GenericUserBasedRecommender by 
neighborhood.getUserNeighborhood (userID) method to achieve the user, and it 
did not Rescorer parameters, without using mostSimilarUserIDs method that have 
this parameter, if use mostSimilarUserIDs method, estimatePreference method is 
used in the neighborhood, how to achieve the best?

Thanks, pol

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