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- W2140627548 abstract "We exploit the barge-in rate of individual users to predict automatic speech recognition (ASR) errors. A barge-in is a situation in which a user starts speaking during a system prompt, and it can be detected even when ASR results are not reliable. Such features not using ASR results can be a clue for managing a situation in which user utterances cannot be successfully recognized. Since individual users in our system can be identified by their phone numbers, we accumulate how often each user barges in and use this rate as a user profile for determining whether a current “barge-in” utterance should be accepted or not. We furthermore set a window that reflects the temporal transition of the user’s behavior as they get accustomed to the system. Experimental results show that setting the window improves the prediction accuracy of whether the utterance should be accepted or not. The experiments also clarify the minimum window width for improving accuracy. Index Terms: spoken dialogue system, user modeling, barge-in" @default.
- W2140627548 created "2016-06-24" @default.
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- W2140627548 date "2008-09-22" @default.
- W2140627548 modified "2023-09-27" @default.
- W2140627548 title "Predicting ASR errors by exploiting barge-in rate of individual users for spoken dialogue systems" @default.
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- W2140627548 doi "https://doi.org/10.21437/interspeech.2008-59" @default.
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