![](bg6.png)
2011. We put forward a Multimodal Conversation
Language that enables agents to form expressive
dialogues, mainly deliberative dialogue such as
negotiation, advice seeking, bargaining and setting
up appointments. Part of the thirty-two expressive
conversation acts described in Berger 2005 has been
used to constitute this language. We are currently
experimenting the language on small dialogue
scenarios between the Greta ECA (figure 8) and a
human user. A preliminary evaluation of this
experiment shows that the agent communicates its
emotions during the interaction and tends to be
“credible” with regard to the human user.
Figure 8: Greta ECA see Guiraud 2011.
5 CONCLUSIONS
In this paper we propose to discuss social credibility
for human acceptance of intelligent environment.
We propose to implement this with three different
levels of shared knowledge, values representation in
knowledge and with emotion and personality
expression in communication. We report on some
preliminary experimentation in this field.
ACKNOWLEDGEMENTS
A part of this work has been realized with the
support of the French ANR agency under the Psirob
project and the CECIL project.
REFERENCES
Ajzen, I., 1985. From Intention to Actions: A Theory of
Planned Behaviour. In:Kuhl, J., Beckman, J. (Eds.),
Action Control: From Cognitions to Behaviour.
Springer-Verlag, New York, pp. 11–39.
Bates J., 1994. The role of emotion in believable agents.
Communications of the ACM, 37(7):122–125.
Berger A., Pesty S., 2005. Towards a Conversational
Language for Artificial Agents in Mixed Community.
In Fourth International Central and Eastern European
Conference on Multi-Agent Systems CEEMAS'05,
Springer Verlag, Budapest, pages 31-40.
Davis, F. D., 1986. A technology Acceptance Model for
empirically testing new end-user information systems:
theory and results. Phd dissertation, MIT Sloan School
of Management, Cambridge.
Davis, F. D., 1989. Perceived usefulness, perceived ease
of use, and user acceptance of information technology.
MIS Quarterly 13, 319–339.
Dang, T. Letellier-Zarshenas,S., Duhaut, D. 2008
Comparison of recent architectures of emotions. In
10th International Conference on Control,
Automation, Robotics and Vision – ICARCV 2008.
Guiraud N., Lorini E., Longin D., Rivière J., Pesty S.,
2011. The face of emotions: a logical formalization of
expressive speech acts. Proceedings of the Tenth
International Conference on Autonomous Agents and
Multiagent Systems, AAMAS (in press)
Leidner D. L. & all Review: A review of culture in
information systems Mis Quarterly vol 30 N°2 june
2006
Le Tallec M., Villaneau J., Antoine J-Y., Savary A.,
Syssau-Vaccarella A, Emologus - a compostional
model of emotion detection based on the
propositionnal content of spoken utterances,
Proceedings Text, Speech and Dialogue, TSD'2010,
Brno, 2010.
Nielsen, J., 1993. Usability Engineering. Academic Press,
New-York.
Ortony, A., 2003. On making believable emotional agents
believable. In R. Trappl, P. Petta & S. Payr (Eds.),
Emotions in humans and artifacts. Cambridge, MA.:
MIT Press
Poggi I., Pelachaud C., De Rosis F., V. Carofiglio V., De
Carolis B., 2005. Greta: A believable embodied
conversational agent. in O. Stock and M. Zancarano,
eds, Multimodal Intelligent Information Presentation,
Kluwer, 2005
Saint-Aimé, S. Conception et réalisation d’un robot
compagnon expressif basé sur un modèle calculatoire
des emotions, Phd university Bretagne-Sud 2010
V. Venkatesh, M. Morris & all, September 2003 User
Acceptance of information technology: toward a
unified view MIS Quarterly Vol. 27 No. 3, pp. 425-
478.
GRAPP 2011 - International Conference on Computer Graphics Theory and Applications
370