J. Cassell, Embodied conversational agents, 2009.

A. Rudnicky, Multimodal dialogue systems Spoken Multimodal Human-Computer Dialogue in Mobile Environments, of Text, Speech and Language Technology, pp.3-11, 2005.

N. Clifford, J. Steuer, and E. Tauber, Computers are social actors, CHI '94: Proc. of the SIGCHI conference on Human factors in computing systems, pp.72-78, 1994.

P. Cohen, The role of natural language in a multimodal interface, Proceedings of the 5th annual ACM symposium on User interface software and technology , UIST '92, pp.143-149, 1992.
DOI : 10.1145/142621.142641

P. Cohen and S. Oviatt, The role of voice input for human-machine communication., Proceedings of the National Academy of Sciences, pp.92-9921, 1995.
DOI : 10.1073/pnas.92.22.9921

G. Castellano, A. Paiva, A. Kappas, R. Aylett, H. Hastie et al., Towards Empathic Virtual and Robotic Tutors, In: Artificial Intelligence in Education, pp.733-736, 2013.
DOI : 10.1007/978-3-642-39112-5_100

F. Iacobelli, F. Cassell, and J. , Ethnic Identity and Engagement in Embodied Conversational Agents, Conf. on Intelligent Virtual Agents, pp.57-63, 2007.
DOI : 10.1007/978-3-540-74997-4_6

B. Robins, K. Dautenhahn, R. Te-boekhorst, and A. Billard, Robotic assistants in therapy and education of children with autism: can a small humanoid robot help encourage social interaction skills? Universal Access in the Information Society, UAIS), 2005.

A. Moubayed, S. Beskow, J. Skantze, G. Granström, and B. , Furhat: A Back-Projected Human-Like Robot Head for Multiparty Human-Machine Interaction, Cognitive Behavioural Systems, pp.114-130, 2012.
DOI : 10.1007/978-3-642-34584-5_9

G. Skantze, A. Moubayed, and S. , IrisTK, Proceedings of the 14th ACM international conference on Multimodal interaction, ICMI '12, 2012.
DOI : 10.1145/2388676.2388698

C. Oertel, F. Cummins, J. Edlund, P. Wagner, and N. Campbell, D64: a corpus of richly recorded conversational interaction, Journal on Multimodal User Interfaces, vol.2, issue.2, 2012.
DOI : 10.1007/s12193-012-0108-6

J. Edlund, J. Beskow, K. Elenius, K. Hellmer, S. Strömbergsson et al., Spontal: a Swedish spontaneous dialogue corpus of audio, video and motion capture, Proc. of the Seventh conference on International Language Resources and Evaluation (LREC'10), pp.2992-2995, 2010.

A. Moubayed, S. Edlund, J. Gustafson, and J. , Analysis of gaze and speech patterns in threeparty quiz game interaction, Interspeech 2013, 2013.

P. Paggio, J. Allwood, E. Ahlsen, K. Jokinen, and C. Navarretta, The NOMCO multimodal Nordic resource -goals and characteristics, Proceedings of the Language Resources and Evaluation Conference (LREC-2010, 2010.

J. Carletta, Unleashing the killer corpus: experiences in creating the multi-everything AMI Meeting Corpus, Language Resources and Evaluation 41, pp.181-190, 2007.
DOI : 10.1007/s10579-007-9040-x

J. M. Digman, Personality Structure: Emergence of the Five-Factor Model, Annual Review of Psychology, vol.41, issue.1, pp.417-440, 1990.
DOI : 10.1146/annurev.ps.41.020190.002221

T. S. Bateman and J. Crant, The proactive component of organizational behavior: A measure and correlates, Journal of Organizational Behavior, vol.48, issue.2, pp.103-118, 1993.
DOI : 10.1002/job.4030140202

S. Langelaan, A. Bakker, L. Van-doornen, and W. Schaufeli, Burnout and work engagement: Do individual differences make a difference?, Personality and Individual Differences, vol.40, issue.3, pp.521-532, 2006.
DOI : 10.1016/j.paid.2005.07.009

B. Laugwitz, T. Held, and M. Schrepp, Construction and Evaluation of a User Experience Questionnaire, HCI and Usability for Education and Work, pp.63-76, 2008.
DOI : 10.1207/s15327906mbr0102_10

L. J. Cronbach, Coefficient alpha and the internal structure of tests, Psychometrika, vol.8, issue.3, pp.297-334, 1951.
DOI : 10.1007/BF02310555

H. Sacks, . E. Schegloff, and G. Jefferson, A simplest systematics for the organization of turn-taking for conversation, Language, vol.50, issue.4, pp.696-735, 1974.
DOI : 10.1353/lan.1974.0010

S. Duncan, Some signals and rules for taking speaking turns in conversations., Journal of Personality and Social Psychology, vol.23, issue.2, pp.283-292, 1972.
DOI : 10.1037/h0033031

C. Goodwin, Restarts, Pauses, and the Achievement of a State of Mutual Gaze at Turn-Beginning, Sociological Inquiry, vol.13, issue.3-4, pp.272-302, 1980.
DOI : 10.2307/413107

D. Bohus and E. Horvitz, Facilitating multiparty dialog with gaze, gesture, and speech, International Conference on Multimodal Interfaces and the Workshop on Machine Learning for Multimodal Interaction on, ICMI-MLMI '10, 2010.
DOI : 10.1145/1891903.1891910

J. Allwood, J. Nivre, and E. Ahlsén, On the Semantics and Pragmatics of Linguistic Feedback, Journal of Semantics, vol.9, issue.1, pp.1-29, 1993.
DOI : 10.1093/jos/9.1.1

M. Koutsombogera and H. Papageorgiou, Linguistic and Non-verbal Cues for the Induction of Silent Feedback, Development of Multimodal Interfaces: Active Listening and Synchrony, pp.327-336, 2010.
DOI : 10.1017/CBO9780511620874.003

J. Allwood, S. Kopp, K. Grammer, E. Ahlsén, E. Oberzaucher et al., The analysis of embodied communicative feedback in multimodal corpora: a prerequisite for behavior simulation, Language Resources and Evaluation, vol.32, issue.3, pp.3-4, 2007.
DOI : 10.1007/s10579-007-9056-2

P. Wittenburg, H. Brugman, A. Russel, A. Klassmann, and H. Sloetjes, ELAN: a professional framework for multimodality research, 5th International Conference on Language Resources and Evaluation, pp.1556-1559, 2006.

J. Allwood, L. Cerrato, K. Jokinen, C. Navarretta, and P. Paggio, The MUMIN Coding Scheme for the Annotation of Feedback, Turn Management and Sequencing Phenomena. Multimodal Corpora for Modeling Human Multimodal Behaviour, Journal on Language Resources and Evaluation, vol.41, pp.3-4, 2007.

H. Bunt, J. Alexandersson, J. Carletta, J. Choe, A. C. Fang et al., Towards an ISO Standard for Dialogue Act Annotation, Seventh International Conference on Language Resources and Evaluation, 2010.
URL : https://hal.archives-ouvertes.fr/inria-00544997

J. Beskow, Rule-based visual speech synthesis, Proc of the Fourth European Conference on Speech Communication and Technology, 1995.

A. Moubayed, S. Edlund, J. Beskow, and J. , Taming Mona Lisa, ACM Transactions on Interactive Intelligent Systems, vol.1, issue.2, p.25, 2012.
DOI : 10.1145/2070719.2070724

A. Moubayed, S. Skantze, and G. , Turn-taking Control Using Gaze in Multiparty Human- Computer Dialogue: Effects of 2D and 3D Displays, 2011.

A. Moubayed, S. Skantze, and G. , Perception of gaze direction for situated interaction, Proceedings of the 4th Workshop on Eye Gaze in Intelligent Human Machine Interaction, Gaze-In '12, 2012.
DOI : 10.1145/2401836.2401839

A. Moubayed, S. Skantze, G. Beskow, and J. , Lip-Reading: Furhat Audio Visual Intelligibility of a Back Projected Animated Face, 10th International Conference on Intelligent Virtual Agents, 2012.
DOI : 10.1007/978-3-642-33197-8_20

G. Skantze, A. Moubayed, S. Gustafson, J. Beskow, J. Granström et al., Furhat at Robotville: A Robot Head Harvesting the Thoughts of the Public through Multi-party Dialogue, Proceedings of IVA-RCVA, 2012.

D. Harel, Statecharts: a visual formalism for complex systems, Science of Computer Programming, vol.8, issue.3, pp.231-274, 1987.
DOI : 10.1016/0167-6423(87)90035-9

R. Stiefelhagen and J. Zhu, Head orientation and gaze direction in meetings, CHI '02 extended abstracts on Human factors in computing systems , CHI '02, pp.858-859, 2002.
DOI : 10.1145/506443.506634

S. O. Ba and J. Odobez, Recognizing Visual Focus of Attention From Head Pose in Natural Meetings, IEEE Transactions on Systems, Man, and Cybernetics, Part B (Cybernetics), vol.39, issue.1, pp.16-33, 2009.
DOI : 10.1109/TSMCB.2008.927274

M. Johansson, G. Skantze, J. Gustafson, G. Herrmann, M. J. Pearson et al., Head Pose Patterns in Multiparty Human-Robot Team-Building Interactions, International Conference on Social Robotics, pp.351-360, 2013.
DOI : 10.1007/978-3-319-02675-6_35

A. Moubayed, S. Beskow, J. Granström, and B. , Auditory-Visual Prominence: From Intelligibilitty to Behavior, Journal on Multimodal User Interfaces, vol.3, issue.4, pp.299-311, 2010.

A. Moubayed, S. Beskow, and J. , Effects of Visual Prominence Cues on Speech Intelligibility, Auditory-Visual Speech Processing, AVSP'09, 2009.

B. Streefkerk, L. C. Pols, and L. Ten-bosch, Acoustical features as predictors for prominence in read aloud Dutch sentences used in anns, In: Eurospeech. Budapest Hungary, 1999.

E. Bevacqua, S. Pammi, S. J. Hyniewska, M. Schröder, and C. Pelachaud, Multimodal Backchannels for Embodied Conversational Agents, The international conference on intelligent virtual agents, 2010.
DOI : 10.1007/978-3-642-15892-6_21

J. Y. Zhang, A. R. Toth, K. Collins-thompson, and A. W. Black, Prominence prediction for super-sentential prosodic modeling based on a new database, ISCA speech synthesis workshop, 2004.

A. Moubayed, S. Chetouani, M. Baklouti, M. Dutoit, T. Mahdhaoui et al., Generating Robot/Agent backchannels during a storytelling experiment, 2009 IEEE International Conference on Robotics and Automation, 2009.
DOI : 10.1109/ROBOT.2009.5152572

J. Terken, Fundamental frequency and perceived prominence of accented syllables, The Journal of the Acoustical Society of America, vol.89, issue.4, pp.1768-1776, 1991.
DOI : 10.1121/1.401019

D. Wang and S. Narayanan, An Acoustic Measure for Word Prominence in Spontaneous Speech, IEEE Transactions on Audio, Speech and Language Processing, vol.15, issue.2, pp.690-701, 2007.
DOI : 10.1109/TASL.2006.881703

S. Kullback, Information Theory and Statistics, 1959.

H. Hotelling, M. Eisenhart, W. Hastay, and W. A. Wallis, Multivariate quality control, 1947.

A. D. Cheveigne and H. Kawahara, YIN, a fundamental frequency estimator for speech and music, The Journal of the Acoustical Society of America, vol.111, issue.4, pp.1917-1930, 2002.
DOI : 10.1121/1.1458024
URL : https://hal.archives-ouvertes.fr/hal-01106271

S. Greenberg, H. Carvey, L. Hitchcock, and S. Chang, Temporal properties of spontaneous speech???a syllable-centric perspective, Journal of Phonetics, vol.31, issue.3-4, pp.465-485, 2003.
DOI : 10.1016/j.wocn.2003.09.005

A. Yilmaz, O. Javed, and M. Shah, Object tracking, ACM Computing Surveys, vol.38, issue.4, p.13, 2006.
DOI : 10.1145/1177352.1177355

R. Rienks and D. Heylen, Dominance Detection in Meetings Using Easily Obtainable Features, LNCS, vol.3869, pp.76-86, 2006.
DOI : 10.1007/11677482_7