Language model estimation for optimizing end-to-end performance of a natural language call routing system

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

Volumn I, Issue , 2005, Pages

  Goel, Vaibhava ^a   Kuo, Hong Kwang Jeff ^a   Deligne, Sabine ^a   Wu, Cheng ^a  

^a IBM T J WATSON RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DATA PROCESSING; ERROR ANALYSIS; ESTIMATION; LEARNING SYSTEMS; MATHEMATICAL MODELS; OPTIMIZATION; STATISTICAL METHODS;

LANGUAGE MODELS; MAXIMUM LIKELIHOOD; STATISTICAL MODELS; WORD ERROR RATE;

SPEECH RECOGNITION;

EID: 33646812945     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2005.1415176     Document Type: Conference Paper

References (14)

1. P. Woodland and D. Povey, "Large scale discriminative training of hidden Markov models for speech recognition," Computer Speech and Language, vol. 16, pp. 25-47, 2002.
2. B.-H. Juang, W. Chou, and C.-H. Lee, "Minimum classification error rate methods for speech recognition," IEEE Trans actions on Speech and Audio Processing, vol. 5, no. 3, pp. 257-265, May 1997.
3. H.-K. J. Kuo, E. Fosler-Lussier, H. Jiang, and C.-H. Lee, "Discriminative training of language models for speech recognition," in Proc. ICASSP 2002, Orlando, Florida, May 2002.
4. P. Gopalakrishnan, D. Kanevsky, A. Nadas, and D. Nahamoo, "An inequality for rational functions with applications to some statistical estimation problems," IEEE Transactions on Information Theory, vol. 37, pp. 107-113, 1991.
5. S. Katagiri, B.-H. Juang, and C.-H. Lee, "Pattern recognition using a family of design algorithms based upon the generalized probabilistic descent method," Proceedings of the IEEE, vol. 86, no. 11, pp. 2345-2373, Nov. 1998.
6. G. Riccardi, A. Potamianos, and S. Narayanan, "Language model adaptation for spoken language systems," in Proc. ICSLP 1998, Sydney, Australia, Dec. 1998.
7. B. Souvignier and A. Kellner, "Online adaptation for language models in spoken dialogue systems," in Proc. ICSLP 1998, Sydney, Australia, Dec. 1998.
8. H.-K. J. Kuo and C.-H. Lee, "Discriminative training of natural language call routers," IEEE Transactions on Speech and Audio Processing, vol. 11, no. 1, pp. 24-45, Jan. 2003.
9. G. Tür, D. Hakkani-Tür, and G. Riccardi, "Extending boosting for call classification using word confusion networks," in Proc. ICASSP 2004, Montreal, Canada, May 2004.
10. G. Tür, J. Wright, A. Gorin, G. Riccardi, and D. Hakkani-Tür, "Improving spoken language understanding using confusion networks," in Proc. ICSLP 2002, Denver, Colorado, Sept. 2002.
11. S. Chen and J. Goodman, "An empirical study of smoothing techniques for language modeling," in Tech. Rep. TR-10-98, Center for Research in Computing Technology, Harvard University, MA, 1998.
12. V. Goel, "Conditional maximum likelihood estimation for improving annotation performance of N-gram models incorporating stochastic finite state grammars," in Proc. ICSLP 2004, Jeju Island, Korea, Oct. 2004.
13. A. L. Berger, S. A. D. Pietra, and V. J. D. Pietra, "A maximum entropy approach to natural language processing," Computational Linguistics, vol. 22, no. 1, pp. 39-71, 1996.
14. J. L. Gauvain and C.-H. Lee, "Maximum a-posteriori estimation for multivariate Gaussian mixture observations of Markov chains," IEEE Transactions on Speech and Audio Processing, vol. 2, pp. 291-298, 1994.