1. Brill, Eric. A Simple Rule-based Part of Speech Tagger. In the Proceedings of Third International Conference on Applied NLP, ACL, Trento; 1992, Italy.
2. Brill, Eric. Transformation-Based Error-Driven Learning and Natural Language Processing: A Case Study in POS Tagging, Computational Linguistics, Vol. 21(4), 1995, p. 543-545.
3. Ratnaparakhi, A. A maximum entropy Parts- of- Speech Tagger, In the Proceedings EMNLP 1, ACL; 1996, p.133-142.
4. Kupiec, R. Part-of-speech tagging using a Hidden Markov Model, In: Computer Speech and Language, Vol 6, No 3; 1992, p. 225-242.
5. Lin, Y.C., Chiang, T.H. & Su, K.Y. Discrimination oriented probabilistic tagging, In the Proceedings of ROCLING V; 1992, p. 87-96.