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? >
