1. Muslea, I.: Extraction patterns for information extraction tasks: A survey. In: Proceedings of AAAI 1999 Workshop on Machine Learning for Information Extraction, Orlando, Florida (1999)
2. Califf, M.: Relational Learning Techniques for Natural Language Information Extraction. PhD thesis, Department of Computer Science, University of Texas, Austin, TX (1998)
3. Leek, T.R.: Information extraction using hidden Markov models. Master’s thesis, UC San Diego (1997)
4. Seymore, K., McCallum, A., Rosenfeld, R.: Learning hidden markov model structure for information extraction. In: AAAI Workshop on Machine Learning for Information Extraction (1999)
5. Stolcke, A., Omohundro, S.M.: Best-first model merging for hidden Markov model induction. Technical Report TR-94-003, International Computer Science Institue, 1947 Center Street, Berkeley, CA (1994)