Er yeah Otis reminds me that I really actually need to make a few more
classes to support item-based recommendation in this case. The code
snippet I gave will work but will be better after I get to writing in
a few more changes to actually support item-based recommenders here.

On Tue, Jan 20, 2009 at 7:37 PM, Otis Gospodnetic
<[email protected]> wrote:
> Hello,
>
> Boolean* classes sped up things for me:
>
>    UserSimilarity similarity = new 
> BooleanTanimotoCoefficientSimilarity(model);
>    hood = new NearestNUserNeighborhood(HOOD_SIZE, MIN_SIMILARITY, similarity, 
> model);
>    recommender = new BooleanUserGenericUserBasedRecommender(model, hood, 
> similarity);
>
> Sean did recommend using Item-based recommender when the number of items is 
> relatively low compared to the number of users, but we only have Boolean 
> flavour of User-based recommender in svn for now.

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