A Hierarchical approach for better estimation of unseen event likelihood in speech recognition

NLP-KE 2003 - 2003 International Conference on Natural Language Processing and Knowledge Engineering, Proceedings

Volumn , Issue , 2003, Pages 357-361

  Zitouni, Imed ^a   Zhou, Qiru ^a   Li, Qi Peter ^b  

^a LUCENT TECHNOLOGIES   (United States)

^b Li Creative Technologies Inc   (United States)

Author keywords

Backoff; Hierarchical class n gram; Language modeling; N gram models

Indexed keywords

KNOWLEDGE ENGINEERING; MODELING LANGUAGES; NATURAL LANGUAGE PROCESSING SYSTEMS; SPEECH RECOGNITION;

BACKOFF; CLASS HIERARCHIES; HIERARCHICAL APPROACH; LANGUAGE MODEL; N-GRAM LANGUAGE MODELS; N-GRAM MODELS; N-GRAMS; WALL STREET JOURNAL;

COMPUTATIONAL LINGUISTICS;

EID: 84945151468     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/NLPKE.2003.1275931     Document Type: Conference Paper

References (7)

1. Bai S., Li H. Lin Z., Yuan B., 1998. Building Class-based Language Models with Contextual Statistics. In: Proc. ICASSP-1998.
2. Katz S., 1987. Estimation of Probabilities from 'Sparse Data for the Language Model Component of a Speech Recognizer. IEEE Transactions on Acoustic, Speech, and Signal Processing 35 (3).
3. Miller J., Alleva F., 1996. Evaluation of a Language Model using a Clustered Model Backoff, In: Proc. ICSLP-1996.
4. Samuelsson C., Reichl W.: 1999. A Class-Based Language Model for Large-Vocabulary. Speech Recognition Extracted from Part-of-Speech Statistics. In: Proc. ICASSP-1999.
5. Zhou Q., Chou W., 1997. An approach to continuous speech recognition based on self-adjusting decoding graph. In Proc. ICASSP-1997.
6. Zitouni I., Siohan O.: Kuo H.-K.: Lee C.-H., 2002. Backoff Hierarchical Class n-gram Language Modelling for Automatic Speech Recognition Systems. In: Proc. ICSLP-2002.
7. Zitouni I.: Siohan O.: Lee C.-H., 2003. Hierarchical Class n-gram Language Models: Towards Better 'Estimation of Unseen Events in Speech Recognition. In: Proc. Eurospeech-2003