J. L. Austin, How to Do Things With Words, 1962.
DOI : 10.1093/acprof:oso/9780198245537.001.0001

C. Bereiter, Education and mind in the knowledge age, 2002.

D. M. Blei, A. Y. Ng, J. , and M. I. , Latent Dirichlet Allocation, Journal of Machine Learning Research, vol.3, pp.4-5, 2003.

A. Budanitsky and G. Hirst, Evaluating WordNet-based Measures of Lexical Semantic Relatedness, Computational Linguistics, vol.17, issue.1, pp.13-47, 2006.
DOI : 10.1016/S0022-5371(79)90604-2

M. Dascalu, Analyzing discourse and text complexity for learning and collaborating, Studies in Computational Intelligence, 2014.

M. Dascalu, S. Trausan-matu, and P. Dessus, Cohesion-based analysis of CSCL conversations: Holistic and individual perspectives, CSCL 2013, pp.145-152, 2013.
URL : https://hal.archives-ouvertes.fr/hal-01470952

G. Denhière, B. Lemaire, C. Bellissens, and S. Jhean-larose, A Semantic Space for Modeling Children???s Semantic Memory, Handbook of Latent Semantic Analysis, pp.143-165, 2007.
DOI : 10.4324/9780203936399.ch8

M. Galley and K. Mckeown, Improving word sense disambiguation in lexical chaining, IJCAI'03, pp.1486-1488, 2003.

T. Holmer, A. Kienle, and M. Wessner, Explicit Referencing in Learning Chats: Needs and Acceptance, pp.170-184, 2006.
DOI : 10.1007/11876663_15

D. Jurafsky and J. H. Martin, An introduction to Natural Language Processing. Computational linguistics, and speech recognition, 2009.

T. Koschmann, Toward a dialogic theory of learning, Proceedings of the 1999 conference on Computer support for collaborative learning, CSCL '99, pp.308-313, 1999.
DOI : 10.3115/1150240.1150278

T. K. Landauer and S. T. Dumais, A solution to Plato's problem: The latent semantic analysis theory of acquisition, induction, and representation of knowledge., Psychological Review, vol.104, issue.2, pp.211-240, 1997.
DOI : 10.1037/0033-295X.104.2.211

D. S. Mcnamara, A. C. Graesser, P. Mccarthy, and Z. Cai, Automated evaluation of text and discourse with Coh- Metrix, 2014.
DOI : 10.1017/CBO9780511894664

D. S. Mcnamara, M. M. Louwerse, P. M. Mccarthy, and A. C. Graesser, Coh-Metrix: Capturing Linguistic Features of Cohesion, Discourse Processes 47, pp.292-330, 2010.
DOI : 10.1037/0033-2909.123.2.162

G. A. Miller, WordNet: a lexical database for English, Communications of the ACM, vol.38, issue.11, pp.39-41, 1995.
DOI : 10.1145/219717.219748

K. Raghunathan, H. Lee, S. Rangarajan, N. Chambers, M. Surdeanu et al., A Multi-Pass Sieve for Coreference Resolution, EMNLP '10 ACL, pp.492-501, 2010.

B. Sagot and F. Darja, Building a free French wordnet from multilingual resources, 2008.
URL : https://hal.archives-ouvertes.fr/inria-00614708

M. Scardamalia, Collective cognitive responsibility for the advancement of knowledge, Liberal Education in a Knowledge Society, pp.67-98, 2002.

J. Searle, Speech Acts: An Essay in the Philosophy of Language, 1969.
DOI : 10.1017/CBO9781139173438

G. Stahl, Group cognition Computer support for building collaborative knowledge, 2006.

S. Trausan-matu, Automatic Support for the Analysis of Online Collaborative Learning Chat Conversations, 3rd Int. Conf. on Hybrid Learning, pp.383-394, 2010.
DOI : 10.1007/978-3-642-14657-2_35

S. Trausan-matu, Computer support for creativity in small groups using chats, Annals of the Academy of Romanian Scientists, Series on Science and Technology of Information, vol.3, issue.2, pp.81-90, 2010.

S. Trausan-matu, M. Dascalu, and P. Dessus, Textual Complexity and Discourse Structure in Computer-Supported Collaborative Learning, ITS 2012, pp.352-357, 2012.
DOI : 10.1007/978-3-642-30950-2_46

URL : https://hal.archives-ouvertes.fr/hal-01492479

S. Trausan-matu, G. Stahl, and J. Sarmiento, Supporting Polyphonic Collaborative Learning, e-Service Journal, vol.6, issue.1, pp.58-74, 2007.
DOI : 10.2979/ESJ.2007.6.1.59

Z. Wu and M. Palmer, Verbs semantics and lexical selection, Proceedings of the 32nd annual meeting on Association for Computational Linguistics -, pp.133-138, 1994.
DOI : 10.3115/981732.981751