B. B. De-mori-r, . &. El-bèze-m, and . Spriet-t, A fuzzy decision strategy for topic identification and dynamic selection of language models. Special issue on Fuzzy Logic in Signal Processing, Signal Processing Journal, vol.80, issue.6, pp.1085-1097, 2000.

F. W. Baeza-yates-r, Information Retrieval : Data Structures and Algorithms, 1992.

J. F. Mercer-r, Interpolated estimation of markov source parameters from sparse data, Proceedings of Workshop Pattern Recognition in Practice, pp.381-397, 1980.

M. J. Ng-k, J. P. , and G. H. Rohlicek-j, Approaches to Topic Identification On The Switchboard Corpus, IEEE Transactions on Acoustics, Speech, and Signal Processing, pp.385-388, 1994.

S. K. and C. S. Rosenfeld-r, Nonlinear Interpolation of Topic Models for Language Model Adaptation, Proceedings of the International Conference on Spoken Language Processing, 1998.

Y. Y. Pedersen-j, A comparative study on feature selection in text categorization, 14th International Conference on Machine Learning, ICML-97, pp.412-420, 1997.