1. Blei, D.M., Ng, A.Y., Jordan, M.I.: Latent dirichlet allocation. Journal of Machine Learning Research 3, 993–1022 (2003)
2. Steyvers, M., Smyth, P., Rosen-Zvi, M., Griffiths, T.: Probabilistic author-topic models for information discovery. In: KDD 2004, pp. 306–315 (2004)
3. Rosen-Zvi, M., Griffiths, T., Steyvers, M., Smyth, P.: The author-topic model for authors and documents. In: UAI 2004, pp. 487–494 (2004)
4. McCallum, A.: Multi-label text classification with a mixture model trained by EM. In: AAAI Workshop on Text Learning (1999)
5. Wang, X., McCallum, A.: Topics over time: a non-markov continuous-time model of topical trends. In: KDD 2006, pp. 424–433. ACM Press, New York (2006)