Download Advances in Natural Multimodal Dialogue Systems (Text, by Jan van Kuppevelt, Laila Dybkjær, Niels Ole Bernsen PDF

By Jan van Kuppevelt, Laila Dybkjær, Niels Ole Bernsen

The most subject of this quantity is common multimodal interplay. The booklet is exclusive in that it brings jointly a good many contributions concerning features of traditional and multimodal interplay written by means of a few of the vital actors within the box. subject matters addressed comprise speaking heads, conversational brokers, tutoring structures, multimodal conversation, laptop studying, architectures for multimodal discussion platforms, platforms evaluate, and information annotation.

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Whittaker and O’Conaill [1997] survey the results of several studies which compared video-mediated communication with audio-only communication and concluded that the visual channel does not significantly impact performance outcomes in task-oriented collaborations, although it does affect social and affective dimensions of communication. Comparing video-mediated communication to face-to-face and audio-only conversations, they also found that speakers used more formal turn-taking techniques in the video condition even though users reported that they perceived many benefits to video conferencing relative to the audio-only mode.

Thus, REA’s smiles were limited to those related to the ends of turns, and she did not have a model of immediacy or other nonverbal cues for liking and warmth typical of social interaction [Argyle, 1988]. According to Whittaker and O’Connail [1993], non-verbal information is especially crucial in interactions involving affective cues, such as negotiation or relational dialogue, and less important in purely problem-solving tasks. This interpretation of the results is backed up by comments such as this response from a subject in the face-to-face social condition: The only problem was how she would respond.

One advantage of the activation network approach is that by simply adjusting a few gains we can make REA more or less coherent, more or less polite (attentive to closeness constraints), more or less task-oriented, or more or less deliberative (vs. reactive) in her linguistic behaviour. In the current implementation, the dialogue is entirely REA-initiated, and user responses are recognized via a speaker-independent, grammar-based, continuous speech recognizer (currently IBM ViaVoice). The active grammar fragment is specified by the current conversational move, and for responses to many REA small talk moves the content of the user’s speech is ignored; only the fact that the person responded at all is enough to advance the dialogue.

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