If I have a books example , user - book - rating. And I increase the ratings of books based on their selling , would that be model-based , since it changed the users ratings ?
Thanks On Mon, Sep 3, 2012 at 10:25 AM, Sean Owen <[email protected]> wrote: > There are a lot of terms for these. Yes they are called memory-based > or neighborhood-based. Model-based is something a bit different, a > breed of recommender that works more like a classifier. Content-based > refers to the input, whether it is item attributes or just pure > ratings. It's all just terminology, and not 100% consistent. > > Sean > > On Mon, Sep 3, 2012 at 4:20 PM, Zia mel <[email protected]> wrote: >> Mahout supports both user-based and item-based collaborative >> filtering. Just to make sure, these two types are considered memory >> based and not model-based? >> http://en.wikipedia.org/wiki/Collaborative_filtering >> >> Also if we want to recommend items based on their content , that would >> be called content-based not item-based ? >> >> Why don't we consider the item-based and content-based as model-based, >> since both use how items are related ?
