Paper: Contrasting Multi-Lingual Prosodic Cues to Predict Verbal Feedback for Rapport

ACL ID P11-2108
Title Contrasting Multi-Lingual Prosodic Cues to Predict Verbal Feedback for Rapport
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 2011
Authors

Verbal feedback is an important information source in establishing interactional rapport. However, predicting verbal feedback across languages is challenging due to language- specific differences, inter-speaker variation, and the relative sparseness and optionality of verbal feedback. In this paper, we employ an approach combining classifier weighting and SMOTE algorithm oversampling to improve verbal feedback prediction in Arabic, English, and Spanish dyadic conversations. This ap- proach improves the prediction of verbal feed- back, up to 6-fold, while maintaining a high overall accuracy. Analyzing highly weighted features highlights widespread use of pitch, with more varied use of intensity and duration.