J. Allwood, J. Nivre, and E. Ahlsén, On the Semantics and Pragmatics of Linguistic Feedback. Gothenburg Papers in Theoretical Linguistics No. 64, 1991.

M. J. Baker, A model for negotiation in teaching-learning dialogues, Journal of Artificial Intelligence in Education, vol.5, issue.2, pp.199-254, 1994.
URL : https://hal.archives-ouvertes.fr/hal-00190394

A. Blaye, Confrontation socio-cognitive et résolution de problèmes. Doctoral dissertation, Centre de Recherche en Psychologie Cognitive, 1988.

H. H. Clark, Managing problems in speaking, Speech Communication, vol.15, issue.3-4, pp.243-250, 1994.
DOI : 10.1016/0167-6393(94)90075-2

H. H. Clark and S. E. Brennan, Grounding in communication., Perspectives on Socially Shared Cognition, pp.127-149, 1991.
DOI : 10.1037/10096-006

H. H. Clark and E. F. Schaefer, Contributing to Discourse, Cognitive Science, vol.8, issue.2, pp.259-294, 1989.
DOI : 10.1207/s15516709cog1302_7

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

H. H. Clark and D. Wilkes-gibbs, Referring as a collaborative process, Cognition, vol.22, issue.1, pp.1-39, 1986.
DOI : 10.1016/0010-0277(86)90010-7

P. Curtis, LambdaMOO Programmer's Manual, Xerox Parc Dillenbourg, P. (1999) What do you mean by collaborative learning?, Collaborative learning: Cognitive and Computational Approaches, 1993.

P. Dillenbourg, D. Traum, and D. Schneider, Grounding in multi-modal task-oriented collaboration, Proceedings of the European Conference on Artificial Intelligence in Education, pp.401-407, 1996.

P. Dillenbourg, P. Mendelsohn, and P. Jermann, Why spatial metaphors are relevant to virtual campuses Learning and instruction in multiple contexts and settings Bulletin of the Faculty of Education, pp.61-71, 1999.

P. Dillenbourg, M. Baker, A. Blaye, and C. Malley, The evolution of research on collaborative learning (Eds) Learning in Humans and Machine: Towards an interdisciplinary learning science, pp.189-211, 1995.

W. Doise and G. Mugny, The social development of the intellect The history and future of direct manipulation, Frohlich, D.M. Behaviour & nformation Technology, issue.6, pp.12-315, 1984.

S. &. Larsson and D. Traum, Information state and dialogue management in the TRINDI dialogue move engine toolkit, Natural Language Engineering, vol.6, issue.3&4, pp.3-4323, 2000.
DOI : 10.1017/S1351324900002539

D. Norman, The psychology of everyday things, 1988.
URL : https://hal.archives-ouvertes.fr/hal-00692043

J. Roschelle and S. D. Teasley, The Construction of Shared Knowledge in Collaborative Problem Solving, Computer-Supported Collaborative Learning, pp.69-197, 1995.
DOI : 10.1007/978-3-642-85098-1_5

D. L. Schwartz, The Emergence of Abstract Representations in Dyad Problem Solving, Journal of the Learning Sciences, vol.4, issue.3, pp.321-354, 1995.
DOI : 10.1207/s15327809jls0403_3

D. R. Traum and P. Heeman, Utterance units in spoken dialogue, Dialogue Processing in Spoken Language Systems -ECAI-96 Workshop. (Pp, pp.125-140, 1997.
DOI : 10.1007/3-540-63175-5_42

N. M. Webb, Task-Related Verbal Interaction and Mathematics Learning in Small Groups, Journal for Research in Mathematics Education, vol.22, issue.5, pp.366-389, 1991.
DOI : 10.2307/749186

J. V. Wertsch, Adult-Child Interaction as a Source of Self-Regulation in ChildrenThe growth of reflection in Children, pp.69-97, 1985.

S. Whittaker, E. Geelhoed, and E. Robinson, Shared workspaces: how do they work and when are they useful?, International Journal of Man-Machine Studies, vol.39, issue.5, pp.813-842, 1993.
DOI : 10.1006/imms.1993.1085