24 search results - page 1 / 5 » Assessing the value of unrated items in collaborative filter... |
ICDIM
2007
IEEE
13 years 5 months ago
2007
IEEE
In collaborative filtering systems, a common technique is default voting. Unknown ratings are filled with a default value to alleviate the sparsity of rating databases. We show ...
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
A recommender system must be able to suggest items that are likely to be preferred by the user. In most systems, the degree of preference is represented by a rating score. Given a...
CIDM
2007
IEEE
13 years 11 months ago
2007
IEEE
— We propose a new one-shot collaborative filtering method. In contrast to the conventional methods, which predict unobserved ratings individually and independently, our method ...
RECSYS
2009
ACM
13 years 11 months ago
2009
ACM
Collaborative Filtering (CF) recommendations are computed by leveraging a historical data set of users’ ratings for items. It assumes that the users’ previously recorded ratin...
STAIRS
2008
13 years 6 months ago
2008
Since the beginning of the 1990's, the Internet has constantly grown, proposing more and more services and sources of information. The challenge is no longer to provide users ...