Improved recommendations via (more) collaboration
Rubi Boim, Haim Y. Kaplan, Tova Milo, Ronitt Rubinfeld · 2010
We consider in this paper a popular class of recommender systems that are based on Collaborative Filtering (CF for short). CF is the process of predicting customer ratings to items based on previous ratings of (similar) users to (similar) items, and is typically used by a single organization, using its own customer ratings.