Article (halvey2010asynchronous)
Halvey, M.; Vallet, D.; Hannah, D.; Feng, Y. & Jose, J. M.
An asynchronous collaborative search system for online video search
Information Processing & Management, 2010, 46, 733-748

Inproceedings (konstas2009social)
Konstas, I.; Stathopoulos, V. & Jose, J. M.
On social networks and collaborative recommendation
ACM, 2009, 195-202