Konstas, Ioannis ; Stathopoulos, Vassilios ; Jose, Joemon M.:
On social networks and collaborative recommendation.
In: Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval.
New York, NY, USA
: ACM,
2009
(SIGIR '09). - ISBN
978-1-60558-483-6,
S. 195--202