1. Abney, S., & Light, M. (1999). Hiding a semantic hierarchy in a Markov model. In Proceedings of the Workshop on Unsupervised Learning in Natural Language Processing (pp. 1–8).
2. Ahmed, A., Xing, E. P., Cohen, W. W., & Murphy, R. F. (2009). Structured correspondence topic models for mining captioned figures in biological literature. In International conference on knowledge discovery and data mining (pp. 39–48).
3. Andrzejewski, D., Zhu, X., & Craven, M. (2009). Incorporating domain knowledge into topic modeling via Dirichlet forest priors. In Proceedings of the International Conference of Machine Learning.
4. Artstein, R., & Poesio, M. (2005). Kappa3 = alpha (or beta) (Technical Report). University of Essex Department of Computer Science.
5. Astrachan, O. (2003). Bubble sort: an archaeological algorithmic analysis. In Proceedings of the 34th SIGCSE technical symposium on computer science education.