56 search results - page 1 / 12 » Alternative Formulas for Rating Prediction Using Collaborati... |
ISMIS
2009
Springer
13 years 11 months ago
2009
Springer
This paper proposes and evaluates several alternate design choices for common prediction metrics employed by neighborhood-based collaborative filtering approach. It first explores ...
ECWEB
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Alternating least squares (ALS) is a powerful matrix factorization (MF) algorithm for both implicit and explicit feedback based recommender systems. We show that by using...
CSCW
1998
ACM
13 years 8 months ago
1998
ACM
Collaborative filtering systems help address information overload by using the opinions of users in a community to make personal recommendations for documents to each user. Many c...
IRI
2007
IEEE
13 years 10 months ago
2007
IEEE
We show that the standard memory-based collaborative filtering rating prediction algorithm using the Pearson correlation can be improved by adapting user ratings using linear reg...
INCDM
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. In a recommender system where users rate items we predict the rating of items users have not rated. We define a rating graph containing users and items as vertices and r...