Abstract
In this paper, we present a model and its evaluation for expressing attitudes through sequences of non-verbal signals for Embodied Conversational Agents. To build our model, a corpus of job interviews has been annotated at two levels: the non-verbal behavior of the recruiters as well as their expressed attitudes was annotated. Using a sequence mining method, sequences of non-verbal signals characterizing different interpersonal attitudes were automatically extracted from the corpus. From this data, a probabilistic graphical model was built. The probabilistic model is used to select the most appropriate sequences of non-verbal signals that an ECA should display to convey a particular attitude. The results of a perceptive evaluation of sequences generated by the model show that such a model can be used to express interpersonal attitudes.
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Chollet, M., Ochs, M., Pelachaud, C. (2014). From Non-verbal Signals Sequence Mining to Bayesian Networks for Interpersonal Attitudes Expression. In: Bickmore, T., Marsella, S., Sidner, C. (eds) Intelligent Virtual Agents. IVA 2014. Lecture Notes in Computer Science(), vol 8637. Springer, Cham. https://doi.org/10.1007/978-3-319-09767-1_15
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DOI: https://doi.org/10.1007/978-3-319-09767-1_15
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