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Improving trigram language modeling with the World Wide Web

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2 Author(s)
Xiaojin Zhu ; Sch. of Comput. Sci., Carnegie Mellon Univ., Pittsburgh, PA, USA ; Rosenfeld, R.

We propose a method for using the World Wide Web to acquire trigram estimates for statistical language modeling. We submit an N-gram as a phrase query to Web search engines. The search engines return the number of Web pages containing the phrase, from which the N-gram count is estimated. The N-gram counts are then used to form Web-based trigram probability estimates. We discuss the properties of such estimates, and methods to interpolate them with traditional corpus based trigram estimates. We show that the interpolated models improve speech recognition word error rate significantly over a small test set

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Acoustics, Speech, and Signal Processing, 2001. Proceedings. (ICASSP '01). 2001 IEEE International Conference on  (Volume:1 )

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