RT Journal T1 A modeling method of user growth profile A1 Zhe-jin DONG,Jian WANG,Ling-fei QIAN,Hong-fei LIN PB JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) FD 2019-03-01 YR 2019 JF JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) VO 54 IS 3 SP 38 DO 10.6040/j.issn.1671-9352.1.2018.149 K1 ;user growth value;user profile;feature extraction;semi-supervised regression;ensemble method LK {http://lxbwk.njournal.sdu.edu.cn/EN/article/article_3046.shtml}