TY - Journal of Shandong University(Engineering Science) A1 - Chao FENG,Kunpeng XU,Lifei CHEN T1 - LDA-based topic feature representation method for symbolic sequences Y1 - 2020-04-20 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 60 EP - 65 VL - 50 IS - 2 UR - http://gxbwk.njournal.sdu.edu.cn N1 - 10.6040/j.issn.1672-3961.0.2019.760 ER -