A POMDP approach to Affective Dialogue Modeling


Bui, Trung H. and Poel, Mannes and Nijholt, Anton and Zwiers, Job (2007) A POMDP approach to Affective Dialogue Modeling. In: Workshop on The Fundamentals of Verbal and Non-verbal Communication and the Biometrical Issue, 2-12 September 2006, Vietri sul Mare, Italy (pp. pp. 349-355).

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Abstract:We propose a novel approach to developing a dialogue model that is able to take into account some aspects of the user's affective state and to act appropriately. Our dialogue model uses a Partially Observable Markov Decision Process approach with observations composed of the observed user's affective state and action. A simple example of route navigation is explained to clarify our approach. The preliminary results showed that: (1) the expected return of the optimal dialogue strategy depends on the correlation between the user's affective state & the user's action and (2) the POMDP dialogue strategy outperforms five other dialogue strategies (the random, three handcrafted and greedy action selection strategies).
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/66791
Publisher URL:http://www.iospress.nl/loadtop/load.php?isbn=9781586037338
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