On Sun, Feb 24, 2013 at 8:39 AM, Pat Ferrel <pat.fer...@gmail.com> wrote:
> ... > But can you expect item similarity to work with the same input? I am fuzzy > about how item similarity is calculated in cf/taste. > The cooccurrence oriented item-based recommenders should be fine. I was expecting to train one recommender with (user, item+action) and call > recommender1.recommend(userID, n) to get recs but also train another > recommender with (user+action, item) to get recommender2.mostSimilarItems( > itemID, n). I realize it's a hack but that aside is this second recommender > required? I'd expect it to return items that use all actions to calculate > similarity and therefore will use view information to improve the > similarity calculation. > The second recommender is redundant.