tech,9-4-C92-3165,ak When a very noisy portion is detected , the <term> parser </term> skips that portion using a fake <term> non-terminal symbol </term> .
other,23-5-C92-3165,ak The unidentified portion is resolved by re-utterance of that portion which is parsed very efficiently by using the <term> parse record </term> of the first <term> utterance </term> .
lr,9-8-C92-3165,ak Detected <term> unknown words </term> can be incrementally incorporated into the <term> dictionary </term> after the interaction with the user .
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