RT Journal T1 Overfitting phenomenon  of  the series of single value decomposition algorithms in rating prediction A1 CHEN Dawei, YAN Zhao*, LIU Haoyan PB Journal of Shandong University(Engineering Science) FD 2014-06-20 YR 2014 JF Journal of Shandong University(Engineering Science) JO Journal of Shandong University(Engineering Science) VO 44 IS 3 SP 15 DO 10.6040/j.issn.1672-3961.1.2013.380 K1 overfitting; single value decomposition; collaborative filtering;recommendation system; electronic commerce; ensemble learning LK {http://gxbwk.njournal.sdu.edu.cn/EN/article/article_812.shtml}