498 search results - page 4 / 100 » Recency-based collaborative filtering |
UM
2007
Springer
14 years 1 months ago
2007
Springer
One of the main problems of collaborative filtering recommenders is the sparsity of the ratings in the users-items matrix, and its negative effect on the prediction accuracy. This ...
MSR
2005
ACM
2005
ACM
Accelerating cross-project knowledge collaboration using collaborative filtering and social networks
14 years 28 days ago
HIP
2005
Springer
14 years 27 days ago
2005
Springer
Abstract. Current CAPTCHAs require users to solve objective questions such as text recognition or image recognition. We propose a class of CAPTCHAs based on collaborative filterin...
SOCIALCOM
2010
13 years 5 months ago
2010
This paper addresses the topic of social advertising, which refers to the allocation of ads based on individual user social information and behaviors. As social network services (e...
ICML
1998
IEEE
14 years 8 months ago
1998
IEEE
Predicting items a user would like on the basis of other users' ratings for these items has become a well-established strategy adopted by many recommendation services on the ...