754 search results - page 88 / 151 » Prediction Algorithms for User Actions |
IAT
2009
IEEE
15 years 6 months ago
2009
IEEE
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...
RECSYS
2009
ACM
15 years 6 months ago
2009
ACM
We propose FriendSensing, a framework that automatically suggests friends to mobile social-networking users. Using short-range technologies (e.g., Bluetooth) on her mobile phone, ...
119
click to vote
WSDM
2012
ACM
13 years 7 months ago
2012
ACM
Traditionally, research about trust assumes a single type of trust between users. However, trust, as a social concept, inherently has many facets indicating multiple and heterogen...
114
click to vote
RECSYS
2009
ACM
15 years 6 months ago
2009
ACM
In the Netflix Prize competition many new collaborative filtering (CF) approaches emerged, which are excellent in optimizing the RMSE of the predictions. Matrix factorization (M...
WWW
2005
ACM
16 years 15 days ago
2005
ACM
Based on the type of collaborative objects, a collaborative filtering (CF) system falls into one of two categories: item-based CF and user-based CF. Clustering is the basic idea i...