mahout-user mailing list archives

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?
>