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From 冯伟 <whitepapers...@gmail.com>
Subject Re: From Item-based Recommender to User-based Recommender
Date Wed, 09 May 2012 15:35:40 GMT
Aha! Thanks! I was only considering about computing the pair-wise
similarity. Now I got it.

2012/5/9 Sebastian Schelter <ssc@apache.org>

> If you transpose the input, you would recommend users to items, not
> items to users, thats the problem.
>
> --sebastian
>
> On 09.05.2012 16:41, 冯伟 wrote:
> > I found that only item-based recommender is implemented in version-0.6.
> > When I want to use the user-based recommender, all I need to do is to
> > transpose the input, i.e., <uid, itemid, rating> ---> <itemid, uid,
> > rating>,right? Is there any other differences between item-based and
> > user-based approach, which is not noticed by me?
> >
>
>


-- 
Wei Feng

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