G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 15/06 (2006.01) G10L 15/08 (2006.01) H04M 3/493 (2006.01)
Patent
CA 2531600
The invention relates to a system and method for gathering data for use in a spoken dialog system. An aspect of the invention is generally referred to as an automated hidden human that performs data collection automatically at the beginning of a conversation with a user in a spoken dialog system. The method comprises presenting an initial prompt to a user, recognizing a received user utterance using an automatic speech recognition engine and classifying the recognized user utterance using a spoken language understanding module. If the recognized user utterance is not understood or classifiable to a predetermined acceptance threshold, then the method re-prompts the user. If the recognized user utterance is not classifiable to a predetermined rejection threshold, then the method transfers the user to a human as this may imply a task-specific utterance. The received and classified user utterance is then used for training the spoken dialog system.
Di Fabbrizio Giuseppe
Hakkani-Tur Dilek Z.
Rahim Mazin G.
Renger Bernard S.
Tur Gokhan
At&t Corp.
Kirby Eades Gale Baker
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