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English

REGULUS: A Generic Multilingual Open Source Platform for Grammar-Based Speech Applications

Presented atGenoa (Italy), 24-26 May
Publication date2006
Abstract

We present an overview of Regulus, an Open Source platform that supports corpus-based derivation of efficient domain-specific speech recognisers from general linguistically motivated unification grammars. We list available Open Source resources, which include compilers,resource grammars for various languages, documentation and a development environment. The greater part of the paper presents a series of experiments carried out using a medium-vocabulary medical speech translation application and a corpus of 801 recorded domain utterances, designed to investigate the impact on speech understanding performance of vocabulary size, grammatical coverage, presence or absence of various linguistic features, degree of generality of the grammar and use or otherwise of probabilistic weighting in the CFG language model. In terms of task accuracy, the most significant factors were the use of probabilistic weighting, the degree of generality of the grammar and the inclusion of features which model sortal restrictions.

Citation (ISO format)
RAYNER, Emmanuel et al. REGULUS: A Generic Multilingual Open Source Platform for Grammar-Based Speech Applications. In: Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC). Genoa (Italy). [s.l.] : [s.n.], 2006.
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