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ACL
2004
13 years 7 months ago
Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems
We use machine learners trained on a combination of acoustic confidence and pragmatic plausibility features computed from dialogue context to predict the accuracy of incoming n-be...
Malte Gabsdil, Oliver Lemon
ACL
2004
13 years 7 months ago
Predicting Student Emotions in Computer-Human Tutoring Dialogues
We examine the utility of speech and lexical features for predicting student emotions in computerhuman spoken tutoring dialogues. We first annotate student turns for negative, neu...
Diane J. Litman, Katherine Forbes-Riley
ICASSP
2008
IEEE
14 years 21 days ago
An instantaneous vector representation of delta pitch for speaker-change prediction in conversational dialogue systems
As spoken dialogue systems become deployed in increasingly complex domains, they face rising demands on the naturalness of interaction. We focus on system responsiveness, aiming t...
Kornel Laskowski, Jens Edlund, Mattias Heldner
ATAL
2008
Springer
13 years 8 months ago
The senior companion multiagent dialogue system
This article presents a multi-agent dialogue system. We show how a collection of relatively simple agents is able to treat complex dialogue phenomena and deal successfully with di...
Hugo Pinto, Yorick Wilks, Roberta Catizone, Alexie...
COLING
2008
13 years 7 months ago
Bayes Risk-based Dialogue Management for Document Retrieval System with Speech Interface
We propose an efficient dialogue management for an information navigation system based on a document knowledge base with a spoken dialogue interface. In order to perform robustly ...
Teruhisa Misu, Tatsuya Kawahara