Augmenting context-free grammars with back-off grammars for processing out-of-grammar utterances

作者: David Chickering , Qiang Wu , Eric Badger , Timothy Paek

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摘要: Architecture for integrating and generating back-off grammars (BOG) in a speech recognition application recognizing out-of-grammar (OOG) utterances updating the context-free (CFG) with results. A parsing component identifies keywords and/or slots from user grammar generation adds filler tags before after to create new rules. The BOG can be generated these rules used process OOG utterances. By processing through BOG, architecture recognize perform intended task on behalf of user.