N. Avouris, G. Fiotakis, G. Kahrimanis, M. Margaritis, and V. Komis, Beyond logging of fingertip actions: analysis of collaborative learning using multiple sources of data, Journal of Interactive Learning Research, vol.18, issue.2, pp.231-250, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00190017

T. Bratitsis and A. Dimitracopoulou, Monitoring and Analyzing Group Interactions in Asynchronous Discussions with the DIAS System, Lecture Notes in Computer Science, vol.4154, pp.54-61, 2006.
DOI : 10.1007/11853862_5

J. Buder, D. Bodemer, J. Dehler, and T. Engelmann, SCAN tools for collaborative learning, Proceedings of the 9th international conference on Computer supported collaborative learning, CSCL'09, pp.606-615, 2009.
DOI : 10.3115/1600053.1600140
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.453.9456

J. Buder, Group awareness tools for learning: Current and future directions, Computers in Human Behavior, vol.27, issue.3, pp.10-13
DOI : 10.1016/j.chb.2010.07.012

D. Clauzel, K. Sehaba, and Y. Prié, Enhancing synchronous collaboration by using interactive visualisation of modelled traces. Simulation Modelling Practice and Theory, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01354383

A. Daele and F. Docq, Le tuteur en ligne, quelles conditions d'efficacité dans un dispositive d'apprentissage collaboratif à distance, Proceedings of the AIPU Conference, 2002.

U. Farooq, J. Carroll, and C. Ganoe, Supporting creativity with awareness in distributed collaboration, Proceedings of the 2007 international ACM conference on Conference on supporting group work , GROUP '07, pp.31-40, 2007.
DOI : 10.1145/1316624.1316630

N. Guichon, Training future language teachers to develop online tutors??? competence through reflective analysis, ReCALL, vol.7, issue.02, pp.166-185, 2009.
DOI : 10.1057/9780230592681
URL : https://hal.archives-ouvertes.fr/hal-00806436

R. Hampel and U. Stickler, New skills for new classrooms: Training tutors to teach languages online, Computer Assisted Language Learning, vol.13, issue.4, pp.311-326, 2005.
DOI : 10.1076/call.16.4.329.23414

W. Hill, J. Hollan, D. Wroblewski, and . T. Mccandless, Edit wear and read, Conference on Human Factors in Computing Systems (CHI'92), 1992.
DOI : 10.1145/142750.142751

P. Jermann, A. Soller, and M. Muehlenbrock, From mirroring to guiding: a review of the state of the art technology for supporting collaborative learning, International Journal of Artificial Intelligence in Education, vol.15, pp.261-290, 2005.
URL : https://hal.archives-ouvertes.fr/hal-00197377

J. Laffey, C. Amelung, and S. Goggins, A Context Awareness System for Online Learning: Design Based Research, International Journal on E-Learning, vol.8, issue.3, pp.313-330, 2009.

J. Lonchamp, Supporting synchronous collaborative learning: A generic, multi-dimensional model, International Journal of Computer-Supported Collaborative Learning, vol.21, issue.2, pp.247-276, 2006.
DOI : 10.1007/s11412-006-8996-7
URL : https://hal.archives-ouvertes.fr/inria-00093351

N. Nova, T. Wehrle, J. Goslin, Y. Bourquin, and P. Dillenbourg, Collaboration in a multi-user game: impacts of an awareness tool on mutual modeling, Multimedia Tools and Applications, vol.9, issue.12, pp.161-183, 2006.
DOI : 10.1007/s11042-006-0065-8

S. Oviatt, R. Coulston, and R. Lunsford, When do we interact multimodally? Cognitive load and multimodal communication patterns, Proceedings of the 6th Int. Conference on Multimodal interfaces Penn. State College, pp.129-136, 2004.
DOI : 10.1145/1027933.1027957

M. R. Olson, Conceptualizing narrative authority: Implications for teacher education. Teaching and Teacher Education, pp.119-135, 1995.

C. Phielix, F. Prins, and P. Kirschner, The design of peer feedback and reflection tools in a CSCL environment, Proceedings of the 9th international conference on Computer supported collaborative learning, CSCL'09, pp.626-635, 2009.
DOI : 10.3115/1600053.1600143

C. Plaisant, A. Rose, G. Rubloff, R. Salter, and B. Shneiderman, The design of history mechanisms and their use in collaborative educational simulations, Proceedings of the 1999 conference on Computer support for collaborative learning, CSCL '99, pp.348-359, 1999.
DOI : 10.3115/1150240.1150284

C. Romero and S. Ventura, Educational data mining: A survey from 1995 to 2005, Expert Systems with Applications, vol.33, issue.1, pp.135-146, 1995.
DOI : 10.1016/j.eswa.2006.04.005

L. Settouti, Y. Prié, J. Marty, and A. Mille, Trace-based system for technology-enhanced learning systems personalization, 9th IEEE International Conference on Advanced Learning Technologies, 2009.
DOI : 10.1109/icalt.2009.159

L. Settouti, Y. Prié, P. Champin, J. Marty, and A. Mille, A Trace-Based Systems Framework: Models, Languages and Semantics, LIRIS Research Report, vol.40, p.363260, 2009.
URL : https://hal.archives-ouvertes.fr/inria-00363260

H. Weinreich, H. Obendorf, E. Herder, and M. Mayer, Off the beaten tracks, Proceedings of the 15th international conference on World Wide Web , WWW '06, pp.133-142, 2006.
DOI : 10.1145/1135777.1135802

J. Yukawa, Co-reflection in online learning: Collaborative critical thinking as narrative, International Journal of Computer-Supported Collaborative Learning, vol.18, issue.1, pp.203-228, 2006.
DOI : 10.1007/s11412-006-8994-9