A. Anjewierden, B. Kollöffel, and C. Hulshof, Towards educational data mining: Using data mining methods for automated chat analysis to understand and support inquiry learning processes, International Workshop on Applying Data Mining in e-Learning, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00190067

J. Asensio, Y. Dimitriadis, M. Heredia, A. Martinez, F. Alvarez et al., Collaborative learning patterns: assisting the development of component-based CSCL applications, 12th Euromicro Conference on Parallel, Distributed and Network-Based Processing, 2004. Proceedings., pp.218-224, 2004.
DOI : 10.1109/EMPDP.2004.1271448

M. J. Baker, M. Quignard, K. Lund, and A. Séjourné, Computer-Supported Collaborative Learning in the Space of Debate, Proceedings of 5 th International Conference on CSCL, pp.11-20, 2003.
DOI : 10.1007/978-94-017-0195-2_4

URL : https://hal.archives-ouvertes.fr/inria-00099838

M. J. Baker and K. Lund, Flexibly structuring the interaction in a CSCL environment, Proceedings of the Euro-AIED Conference, pp.401-407, 1996.

L. Bollen, A. Giemza, and U. Hoppe, Flexible Analysis of User Actions in Heterogeneous Distributed Learning Environments, Proceedings of Third European Conference on Technology Enhanced Learning, pp.62-73, 2008.
DOI : 10.1007/978-3-540-87605-2_8

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

D. Chiara, R. , D. Matteo, A. Manno, I. Scarano et al., CoFFEE : Cooperative Face2Face educational environment, 2007 International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom 2007), pp.243-252, 2007.
DOI : 10.1109/COLCOM.2007.4553836

P. Dillenbourg and D. Traum, Sharing Solutions: Persistence and Grounding in Multimodal Collaborative Problem Solving, Journal of the Learning Sciences, vol.22, issue.1, pp.121-151, 2006.
DOI : 10.1006/imms.1993.1085

URL : https://hal.archives-ouvertes.fr/hal-00190698

P. Dillenbourg, What do you mean by collaborative learning?, Collaborative learning: Cognitive and Computational Approaches, pp.1-19, 1999.
URL : https://hal.archives-ouvertes.fr/hal-00190240

A. Dimitracopoulou, Designing collaborative learning systems, Proceedings of the 2005 conference on Computer support for collaborative learning learning 2005: the next 10 years!, CSCL '05, 2005.
DOI : 10.3115/1149293.1149309

A. Dimitracopoulou, State of the Art on Interaction Analysis: Interaction Analysis Indicators. ICALTS Project Deliverable: D.26.1. Retrieved A Theory of Cognitive Dissonance, Publications/D1 State of the Art Version_1_3 ICALTS_Kal NoE.pdf Festinger, 1957.

A. L. Ingram and L. G. Hathorn, Methods for Analyzing Collaboration in Online Communications Hershey: Idea Group Inc, Online collaborative learning: theory and practice, pp.215-241, 2004.

J. Jaspers, G. Erkens, and G. Kanselaar, COSAR: collaborative writing of argumentative texts, Proceedings IEEE International Conference on Advanced Learning Technologies, pp.269-272, 2001.
DOI : 10.1109/ICALT.2001.943920

P. Jermann, A. Soller, and M. Muehlenbrock, From mirroring to guiding: A review of the state of art technology for supporting collaborative learning, Proceedings of the First European Conference on CSCL, pp.324-331, 2001.
URL : https://hal.archives-ouvertes.fr/hal-00197377

L. Lipponen, Exploring foundations for computer-supported collaborative learning, Proceedings of the Conference on Computer Support for Collaborative Learning Foundations for a CSCL Community, CSCL '02, pp.72-81, 2002.
DOI : 10.3115/1658616.1658627

J. Lonchamp, A three-level analysis of collaborative learning in dual-interaction spaces, International Journal of Computer-Supported Collaborative Learning, vol.33, issue.1, pp.289-317, 2009.
DOI : 10.1007/s11412-009-9068-6

URL : https://hal.archives-ouvertes.fr/inria-00432618

J. Lonchamp, Floor Control in Complex Synchronous CSCL Systems, 2007.
URL : https://hal.archives-ouvertes.fr/inria-00178288

J. Lonchamp, Linking Conversation and Task Objects in Complex Synchronous CSCL environments, Proceedings of the 3 rd International Conference on Web Information Systems and Technology, pp.281-288, 2007.
URL : https://hal.archives-ouvertes.fr/inria-00178286

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

J. B. Lovins, Development of a stemming algorithm, Mechanical Translation and Computational Linguistics, vol.11, pp.22-31, 1968.

Y. Miao, Design and Implementation of a Collaborative Virtual Problem-Based Learning Environment, Doctoral Dissertation, 2000.

T. Mitchell, Machine Learning, 1997.

I. Nonaka and H. Takeushi, The knowledge-creating company: How Japanese companies create the dynamics of innovation, Long Range Planning, vol.29, issue.4, 1995.
DOI : 10.1016/0024-6301(96)81509-3

P. Resta and T. Laferrière, Technology in Support of Collaborative Learning, Educational Psychology Review, vol.34, issue.2, pp.65-83, 2007.
DOI : 10.1007/s10648-007-9042-7

M. Ronen, M. Kohen-vacs, and N. Raz-fogel, Adopt & adapt: structuring, sharing and reusing asynchronous collaborative pedagogy, Proceedings of 7 th International Conference of the Learning Sciences, pp.599-605, 2006.

A. Soller, F. Linton, B. Goodman, and A. Lesgold, Toward intelligent analysis and support of collaborative learning interaction, Proceedings of the 9 th International Conference on Artificial Intelligence in Education, pp.75-82, 1999.

D. Suthers, Technology affordances for intersubjective learning, Proceedings of the 2005 conference on Computer support for collaborative learning learning 2005: the next 10 years!, CSCL '05, pp.662-671, 2005.
DOI : 10.3115/1149293.1149380

D. Suthers and J. Xu, Kukakuka: An Online Environment for Artifact-Centered Discourse, Proceedings of 11 th WWW Conference, 2002.

D. Suthers and D. Jones, An architecture for intelligent collaborative educational systems, Proceedings of 8 th World Conference on Artificial Intelligence in Education, pp.55-62, 1997.

P. Tchounikine, Operationalizing macro-scripts in CSCL technological settings, International Journal of Computer-Supported Collaborative Learning, vol.4, issue.1, pp.193-233, 2008.
DOI : 10.1007/s11412-008-9039-3

URL : https://hal.archives-ouvertes.fr/hal-00591556