Discourse segmentation of multi-party conversation
ACL '03 Proceedings of the 41st Annual Meeting on Association for Computational Linguistics - Volume 1
Achieving Diagnosis by Consensus
Computer Supported Cooperative Work
SIGdial '08 Proceedings of the 9th SIGdial Workshop on Discourse and Dialogue
Locating case discussion segments in recorded medical team meetings
SSCS '09 Proceedings of the third workshop on Searching spontaneous conversational speech
The significance of empty speech pauses: cognitive and algorithmic issues
BVAI'07 Proceedings of the 2nd international conference on Advances in brain, vision and artificial intelligence
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We introduce a new concept of ‘Vocalization Horizon’ for automatic speaker role detection in general meeting recordings. We demonstrate that classification accuracy reaches 38.5% when Vocalization Horizon and other features (i.e. vocalization duration and start time) are available. With another type of Horizon, the Pause - Overlap Horizon, the classification accuracy reaches 39.5%. Pauses and overlaps are also useful vocalization features for meeting structure analysis. In our experiments, the Bayesian Network classifier outperforms other classifiers, and is proposed for similar applications.