BAUM, L. E. An inequality with applications to statistical estimation for probabilistic functions of Markov processes and to a model of ecology. Bull. Amer. Math. Soc. 1967, 73, 360-363
BIKEL, D. Nymble : a high-performance learning name-finder. Proceedings of the Fifth Conference on Applied Natural Language processing, 1997. 1997, 194-201
BORTHWICK, A. A Maximum Entropy Approach to Named Entity Recognition. Ph. D. Thesis. New York University. 1999
BRANTS, T. TnT-A Statistical Part-of-Speech Tagger. Proceedings of the Sixth Applied Natural Language Processing Conference ANLP-2000. 2000