2
votes
0answers
52 views

Collaborative filtering through matrix factorization with logistic loss function

Consider collaborative filtering problem. We have matrix $M$ of size #users * #items. $M_{i,j} = 1$ if user i likes item j, $M_{i,j} = 0$ if user i dislikes item j and $M_{i,j}=?$ if there is no data ...
0
votes
0answers
183 views

Dataset for article recommendation with demographic data

I am experimenting with a recommendation systems for articles (news, magazines etc). Is there any dataset available for the same which includes the demographic information of users as well? I am ...
0
votes
0answers
180 views

Are there any tagging dataset for evaluating a recommender system? e.g. user--tag--item--date [closed]

I need datasets that has at 4 data elements (user, tag, item, date) to test my recommender system, in which date is when the user add one or many tags to the item. The user and item can be provided as ...
1
vote
0answers
95 views

Evaluation methods for personalized recommendation

I am currently trying to verify and evaluate a personalized recommender system I am working on, which seems like a huge task. Evaluating a static recommender system is rather easy and can be done with ...