1. Latent Dirichlet allocation;Blei;J. Mach. Learn. Res.,2003
2. Dimensionality reduction and topic modeling: From latent semantic indexing to latent Dirichlet allocation and beyond;Crain,2012
3. Indexing by latent semantic analysis;Deerwester;J. Am. Soc. Inf. Sci.,1990
4. Correlated topic models;Lafferty,2005
5. Dynamic topic models;Blei,2006