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Statistical annotation of named entities in spoken audio.

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esca99-ne.pdf (65.60Kb)
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Date
1999
Author
Renals, Steve
Gotoh, Yoshihiko
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Abstract
In this paper we describe stochastic finite state model for named entity (NE) identification, based on explicit word-level n-gram relations. NE categories are incorporated in the model as word attributes. We present an overview of the approach, describing how the extensible vocabulary model may be used for NE identification. We report development and evaluation results on a North American Broadcast News task. This approach resulted in average precision and recall scores of around 83% on hand transcribed data, and 73% on the SPRACH recogniser output. We also present an error analysis and a comparison of our approach with an alternative statistical approach.
URI
http://hdl.handle.net/1842/1199
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