Outline 历些毛子代拔大》 XIDIAN UNIVERSITY ▣Background ▣Some Concepts ▣Topic Modeling Probabilistic Latent Semantic Indexing (PLSI) Latent Dirichlet Allocation(LDA) Hierarchical Topic Modeling Basics,not Chinese Restaurant Process(CRP) state-of-the-art ▣Vhat I do Supplement Reference Keywords:topic modeling,hierarchical topic modeling,probabilistic graphical model,Bayesian model 2016/12/29 Software Engineering 2016/12/29 Software Engineering Outline  Background  Some Concepts  Topic Modeling  Probabilistic Latent Semantic Indexing (PLSI)  Latent Dirichlet Allocation (LDA)  Hierarchical Topic Modeling  Chinese Restaurant Process (CRP)  What I do  Supplement & Reference 2 Keywords: topic modeling, hierarchical topic modeling, probabilistic graphical model, Bayesian model Basics, not state-of-the-art