how evaluate the top-N recommendations?

Discussion in 'Science & Society' started by huda, Jul 27, 2012.

  1. huda Registered Member

    Messages:
    1
    HI
    I'm Phd student, working in Recsys \collaborative filtering.
    I'm still new in this field.
    I have query.

    I know how prediction ratings are evaluated , but I don not know how recommendation lists are evaluated.
    My work is nor relate with ratings and predicate the ratings but with recommendations list.

    if I predicate an list for one user, how I know if this list is right or not.
    where this list has new items for user that he is not know it , buy it, read it, show it, etc.

    I have problem in understanding this issue.

    thanks in advance
     

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