Clustering for probabilistic model estimation for CF.

Qing Li Byeong Man Kim Sung-Hyon Myaeng Clustering for probabilistic model estimation for CF. 1104-1105 2005 conf/www/2005si WWW (Special interest tracks and posters) http://doi.acm.org/10.1145/1062745.1062890 db/conf/www/www2005si.html#LiKM05