Dongdong Nie Qinyong Ma Lizhuang Ma Wuzheng Tan Predicting Peer Offline Probability in BitTorrent Using Nonlinear Regression. 339-344 2007 conf/iwec/2007 ICEC http://dx.doi.org/10.1007/978-3-540-74873-1_40 db/conf/iwec/icec2007.html#NieMMT07