A. R. Anaya, M. Luque, and M. Peinado, A visual recommender tool in a collaborative learning experience, Expert Systems with Applications, vol.45, pp.248-259, 2016.

R. S. Baker, Stupid Tutoring Systems, Intelligent Humans, International Journal of Artificial Intelligence in Education, vol.26, issue.2, pp.600-614, 2016.

M. S. Boroujeni, T. Hecking, H. U. Hoppe, and P. Dillenbourg, Dynamics of MOOC discussion forums, pp.128-137, 2017.

S. Bull and J. Kay, SMILI: a framework for interfaces to learning data in open learner models, learning analytics and related fields, International Journal of Artificial Intelligence in Education, vol.26, issue.1, pp.293-331, 2016.

S. M. Chua, C. Tagg, M. Sharples, and B. Rienties, Discussion Analytics: Identifying Conversations and Social Learners in FutureLearn MOOCs, 2017.

M. Dascalu, D. S. Mcnamara, S. Trausan-matu, A. , and L. K. , Cohesion network analysis of CSCL participation, Behavior Research Methods, pp.1-16, 2017.

D. Davis, I. Jivet, R. F. Kizilcec, G. Chen, C. Hauff et al., Follow the successful crowd: raising MOOC completion rates through social comparison at scale, pp.454-463, 2017.

P. Dillenbourg, What do you mean by collaborative learning, Collaborative-learning: Cognitive and computational approaches, vol.1, pp.1-15, 1999.
URL : https://hal.archives-ouvertes.fr/hal-00190240

S. R. Emmons, R. P. Light, and K. Börner, MOOC visual analytics: Empowering students, teachers, researchers, and platform developers of massively open online courses, Journal of the Association for Information Science and Technology, vol.68, issue.10, pp.2350-2363, 2017.

A. Ezen-can, K. E. Boyer, S. Kellogg, and S. Booth, Unsupervised modeling for understanding MOOC discussion forums: a learning analytics approach, Proceedings of the fifth international conference on learning analytics and knowledge, pp.146-150, 2015.

S. Fu, J. Zhao, W. Cui, and H. Qu, Visual Analysis of MOOC Forums with iForum, IEEE Transactions on Visualization and Computer Graphics, vol.23, issue.1, pp.201-210, 2017.

M. Gerlach, T. P. Peixoto, and E. G. Altmann, A network approach to topic models, Science Advances, issue.7, p.4, 2018.

T. Gerstenberg and J. B. Tenenbaum, Intuitive theories, The Oxford Handbook of Causal Reasoning, 2017.

D. A. Gómez-aguilar, A. Hernández-garcía, F. J. García-peñalvo, and R. Therón, Tap into visual analysis of customization of grouping of activities in eLearning, Computers in Human Behavior, vol.47, pp.60-67, 2015.

F. Guo, W. Chen, T. Lin, B. Zhu, F. Zhang et al., TieVis: visual analytics of evolution of interpersonal ties, Journal of Visualization, vol.20, issue.4, pp.905-918, 2017.

J. Heer and B. Shneiderman, Interactive dynamics for visual analysis, Queue, vol.10, issue.2, p.30, 2012.

E. Hoque and G. Carenini, Multiconvis: A visual text analytics system for exploring a collection of online conversations, Proceedings of the 21st International Conference on Intelligent User Interfaces, pp.96-107, 2016.

H. Jelodar, Y. Wang, C. Yuan, X. Feng, X. Jiang et al., Latent Dirichlet Allocation (LDA) and Topic modeling: models, applications, a survey, 2017.

H. Khalil and M. Ebner, MOOCs completion rates and possible methods to improve retention-A literature review, World Conference on Educational Multimedia, Hypermedia and Telecommunications, vol.1, pp.1305-1313, 2014.

J. Klerkx, K. Verbert, E. ;. Duval, M. D. Merrill, J. Elen et al., Enhancing Learning with Visualization Techniques, Spector, pp.791-807, 2014.

M. Koné, M. May, and S. Iksal, Towards a Dynamic Visualization of Online Collaborative Learning, CSEDU (1), pp.205-212, 2018.

J. L. Lobo, O. C. Santos, J. G. Boticario, D. Ser, and J. , Identifying recommendation opportunities for computer-supported collaborative environments, Expert Systems, vol.33, issue.5, pp.463-479, 2016.
DOI : 10.1111/exsy.12159

S. Lonn, S. J. Aguilar, and S. D. Teasley, Investigating student motivation in the context of a learning analytics intervention during a summer bridge program, Computers in Human Behavior, vol.47, pp.90-97, 2015.

M. May, S. George, and P. Prévôt, TrAVis to enhance online tutoring and learning activities: Real-time visualization of students tracking data, Interactive Technology and Smart Education, vol.8, issue.1, pp.52-69, 2011.
DOI : 10.1108/17415651111125513

URL : https://hal.archives-ouvertes.fr/hal-01354507

E. Medina, R. Meseguer, S. F. Ochoa, and H. Medina, Providing Behaviour Awareness in Collaborative Project Courses, Journal of Universal Computer Science, vol.22, issue.10, pp.1319-1338, 2016.

H. Qu and Q. Chen, Visual analytics for MOOC data, IEEE computer graphics and applications, vol.35, issue.6, pp.69-75, 2015.
DOI : 10.1109/mcg.2015.137

M. Rehm, W. Gijselaers, and M. Segers, The impact of hierarchical positions on communities of learning, International Journal of Computer-Supported Collaborative Learning, vol.10, issue.2, pp.117-138, 2015.

B. A. Schwendimann, M. J. Rodriguez-triana, A. Vozniuk, L. P. Prieto, M. S. Boroujeni et al., Perceiving learning at a glance: A systematic literature review of learning dashboard research, IEEE Transactions on Learning Technologies, vol.10, issue.1, pp.30-41, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01399136

A. Twissell, Visualisation in applied learning contexts: a review, Journal of Educational Technology & Society, issue.3, p.17, 2014.

X. Wang, M. Wen, and C. P. Rosé, Towards triggering higher-order thinking behaviors in MOOCs, Proceedings of the Sixth International Conference on Learning Analytics & Knowledge, pp.398-407, 2016.
DOI : 10.1145/2883851.2883964

URL : http://dl.acm.org/ft_gateway.cfm?id=2883964&type=pdf

A. F. Wise, Y. Cui, J. , and W. Q. , Honing in on social learning networks in MOOC forums: examining critical network definition decisions, Proceedings of the Seventh International Learning Analytics & Knowledge Conference, pp.383-392, 2017.
DOI : 10.1145/3027385.3027446

B. Yousuf and O. Conlan, VisEN: Motivating Learner Engagement Through Explorable Visual Narratives, Design for Teaching and Learning in a Networked World, pp.367-380, 2015.
DOI : 10.1007/978-3-319-24258-3_27

S. Zheng, M. B. Rosson, P. C. Shih, and J. M. Carroll, Designing MOOCs as interactive places for collaborative learning, Proceedings of the Second (2015) ACM Conference on Learning@ Scale, pp.343-346, 2015.
DOI : 10.1145/2724660.2728689