Sparse Additive Generative Models of TextSparse Additive Generative Models of Text Jacob Eisenstein jacobeis@cs.cmu.edu Amr Ahmed amahmed@cs.cmu.edu Eric P. Xing epxing@cs.cmu.edu School of Computer Science, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA 15203 USA Abstract Generative models of text typically associate a multinomial with every class label or topic. Even in simple models this requires the esti- mation of thou
