DocumentCode
431285
Title
Language Model Estimation for Optimizing End-to-end Performance of a Natural Language Call Routing System
Author
Goel, Vaibhava ; Kuo, Hong-Kwang Jeff ; Deligne, Sabine ; Wu, Cheng
Author_Institution
IBM T. J. Watson Res. Center, Yorktown Heights, NY, USA
Volume
1
fYear
2005
fDate
March 18-23, 2005
Firstpage
565
Lastpage
568
Keywords
error statistics; interactive systems; maximum likelihood estimation; natural language interfaces; optimisation; speech recognition; speech-based user interfaces; unsupervised learning; LM updates; WER; automatic speech recognition; classification accuracy; conditional maximum likelihood estimation; end-to-end performance; extended Baum-Welch procedure; language model estimation; natural language call routing system; optimization; spoken dialogue systems; statistical models; training; unsupervised learning; untranscribed speech data; word error rate; Automatic speech recognition; Error analysis; Maximum likelihood estimation; Natural languages; Routing; Speech recognition; System performance; Telephony; Training data; Unsupervised learning;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
ISSN
1520-6149
Print_ISBN
0-7803-8874-7
Type
conf
DOI
10.1109/ICASSP.2005.1415176
Filename
1415176
Link To Document