基于LDA主题模型的用户兴趣层级演化研究
夏立新,曾杰妍,毕崇武,叶光辉
Identifying Hierarchy Evolution of User Interests with LDA Topic Model
Lixin Xia,Jieyan Zeng,Chongwu Bi,Guanghui Ye
数据分析与知识发现 . 2019, (7): 1 -13 .  DOI: 10.11925/infotech.2096-3467.2018.1065