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2. Latent Dirichlet allocation;Blei;J. Mach. Learn. Res.,2003
3. How they vote: Issue-adjusted models of legislative behavior;Gerrish,2012
4. On-line LDA: adaptive topic models for mining text streams with applications to topic detection and tracking;AlSumait,2008
5. Spatial latent Dirichlet allocation;Wang;Adv. Neural Inf. Process. Syst.,2008