TY - Journal of Shanghai Jiao Tong University A1 - ZHANG Jian, LI Fang T1 - LDA Topic Evolution Based on Global and Local Modeling Y1 - 2012-11-30 JF - Journal of Shanghai Jiaotong University JO - Journal of Shanghai Jiao Tong University SP - 1753 EP - 1758 VL - 46 IS - 11 UR - https://xuebao.sjtu.edu.cn N1 - ER -