G. R. Alves, M. A. Marques, C. Viegas, C. Lobo, R. G. Barral et al., Using visir in a large undergraduate course: Preliminary assessment results, Global engineering education conference, pp.2011-1125, 2011.

A. Anjewierden, Explorations in fine-grained learning analytics (Unpublished doctoral dissertation), 2012.

M. Blattner, E. Glinert, J. Jorge, and G. Ormsby, Metawidgets: towards a theory of multimodal interface design, [1992] Proceedings. The Sixteenth Annual International Computer Software and Applications Conference, pp.115-120, 1992.
DOI : 10.1109/CMPSAC.1992.217593

R. Breuer, R. Klamma, Y. Cao, and R. Vuorikari, Social Network Analysis of 45,000 Schools: A Case Study of Technology Enhanced Learning in Europe, Learning in the synergy of multiple disciplines, pp.166-180, 2009.
DOI : 10.1017/CBO9780511519819.003

Y. Cao, A. Hannemann, R. Klamma, D. Kovachev, and D. Renzel, Mobile Multimedia Management for Community-Aware Storytelling, 2010 Eleventh International Conference on Mobile Data Management, pp.59-64, 2010.
DOI : 10.1109/MDM.2010.70

H. H. Chang and S. Chuang, Social capital and individual motivations on knowledge sharing: Participant involvement as a moderator, Information & Management, vol.48, issue.1, 2011.
DOI : 10.1016/j.im.2010.11.001

L. Chung and J. C. Prado-leite, Conceptual modeling: Foundations and applications, 2009.

4. Clariana, R. Engelmann, T. Yu, and W. , Retrieved from http Using centrality of concept maps as a measure of problem space states in computer-supported collaborative problem solving, Educational Technology Research and Development, issue.3, pp.363-379, 2013.

D. Clow, The learning analytics cycle, Proceedings of the 2nd International Conference on Learning Analytics and Knowledge, LAK '12, pp.134-138, 2012.
DOI : 10.1145/2330601.2330636

T. De-jong, W. R. Van-joolingen, A. Giemza, I. Girault, U. Hoppe et al., Learning by creating and exchanging objects: The SCY experience, British Journal of Educational Technology, vol.22, issue.6, pp.909-921, 2010.
DOI : 10.1111/j.1467-8535.2010.01121.x

URL : https://hal.archives-ouvertes.fr/hal-00948739

D. Wever, B. Schellens, T. Valcke, M. Van-keer, and H. , Content analysis schemes to analyze transcripts of online asynchronous discussion groups: A review, Computers & Education, vol.46, issue.1, pp.6-28, 2006.
DOI : 10.1016/j.compedu.2005.04.005

E. Duval, Attention please! learning analytics for visualization and recommendation, 1st international conference on learning analytics and knowledge, pp.9-17, 2011.

F. M. Facca and P. L. Lanzi, Mining interesting knowledge from weblogs: a survey, Data & Knowledge Engineering, vol.53, issue.3, pp.225-241, 2005.
DOI : 10.1016/j.datak.2004.08.001

R. Ferguson, Learning analytics: drivers, developments and challenges, International Journal of Technology Enhanced Learning, vol.4, issue.5/6, pp.304-317, 2012.
DOI : 10.1504/IJTEL.2012.051816

S. Few, Dashboard confusion revisited, 2007.

A. Fortenbacher, L. Beuster, M. Elkina, L. Kappe, A. Merceron et al., Sept) Lemo: A learning analytics application focussing on user path analysis and interactive visualization, Intelligent data acquisition and advanced computing systems (idaacs), 2013 ieee 7th international conference on, pp.748-753, 2013.

D. Gelernter, Generative communication in Linda, ACM Transactions on Programming Languages and Systems, vol.7, issue.1, pp.80-112, 1985.
DOI : 10.1145/2363.2433

A. Giemza, S. Weinbrenner, J. Engler, and H. U. Hoppe, Tuple spaces as a flexible integration platform for distributed learning environments, Proceedings of the 2007 conference on supporting learning flow through integrative technologies, pp.313-320, 2007.

D. Gillet, T. De-jong, S. Sotirou, and C. Salzmann, Personalised learning spaces and federated online labs for STEM Education at School, 2013 IEEE Global Engineering Education Conference (EDUCON), 2013.
DOI : 10.1109/EduCon.2013.6530194

URL : https://hal.archives-ouvertes.fr/hal-00990317

T. Göhnert, A. Harrer, T. Hecking, and H. U. Hoppe, A workbench to construct and re-use network analysis workflows -concept, implementation, and example case, 2013.

S. Govaerts, Y. C. Cao, A. V. Vozniuk, A. Holzer, D. Garbi-zutin et al., Towards an online lab portal for inquirybased stem learning at school, Proceedings of the 12th international conference on web-based learning, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00990259

A. Harrer, N. Malzahn, S. Zeini, and H. U. Hoppe, Combining social network analysis with semantic relations to support the evolution of a scientific community, Proceedings of the 8th iternational conference on Computer supported collaborative learning, CSCL'07, pp.267-276, 2007.
DOI : 10.3115/1599600.1599650

V. Harward, J. Del-alamo, S. Lerman, P. Bailey, J. Carpenter et al., The iLab Shared Architecture: A Web Services Infrastructure to Build Communities of Internet Accessible Laboratories, Proceedings of the IEEE, pp.931-950, 2008.
DOI : 10.1109/JPROC.2008.921607

H. U. Hoppe, J. Engler, and S. Weinbrenner, The impact of structural characteristics of concept maps on automatic quality measurement, 2012.

W. H. Inmon, Building the data warehouse, 1992.

W. Kraan and D. Sherlock, Analytics tools and infrastructure

M. D. Laat, V. Lally, L. Lipponen, and R. Simons, Investigating patterns of interaction in networked learning and computer-supported collaborative learning: A role for social network analysis. I, J. Computer-Supported Collaborative Learning, pp.87-103, 2007.

A. D. Liddo, S. B. Shum, I. Quinto, M. Bachler, and L. Cannavacciuolo, Discourse-centric learning analytics, Proceedings of the 1st International Conference on Learning Analytics and Knowledge, LAK '11, pp.23-33, 2011.
DOI : 10.1145/2090116.2090120

F. Limpens and D. Gillet, A Competence Bartering Platform for Learners, Icwl, pp.148-153, 2011.
DOI : 10.1504/IJCEELL.2008.016077

D. Lowe and N. Orou, Interdependence of booking and queuing in remote laboratory scheduling, 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV), pp.1-6, 2012.
DOI : 10.1109/REV.2012.6293100

P. Orduña, P. Orduña, and J. García-zubia, Transitive and scalable federation model for remote laboratories (Doctoral dissertation Retrieved from http://paginaspersonales.deusto.es/porduna Scheduling schemes among internet laboratories ecosystems, 2011.

P. Orduña, J. Irurzun, L. Rodriguez-gil, J. García-zubia, F. Gazzola et al., Adding New Features to New and Existing Remote Experiments through their Integration in WebLab-Deusto, International Journal of Online Engineering (iJOE), vol.7, issue.S2, pp.7-33, 2011.
DOI : 10.3991/ijoe.v7iS2.1774

P. Orduña, L. Rodriguez-gil, I. Angulo, O. Dziabenko, D. López-de-ipina et al., Exploring students collaboration in remote laboratory infrastructures, 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV), pp.1-5, 2012.
DOI : 10.1109/REV.2012.6293159

P. Orduña, L. Rodriguez-gil, D. López-de-ipiña, and J. Garcia-zubia, Sharing Remote Labs: A Case Study, International Journal of Online Engineering (iJOE), vol.9, issue.S1, 2013.
DOI : 10.3991/ijoe.v9iS1.2348

D. Ponta, A. Scapolla, and P. Buschiazzo, Survey of Remote Laboratories Using Service Oriented Architectures, International Journal of Online Engineering (iJOE), vol.5, issue.1, 2009.
DOI : 10.3991/ijoe.v5i1.781

R. Safaric, M. Trunti?, D. Hercog, and G. Pa?nik, Control and robotics remote laboratory for engineering education, International Journal of Online Engineering (iJOE), vol.1, issue.1, 2005.

G. Siemens, Learning and knowing in networks. changing roles for educators and designers, ITFORUM for discussion, pp.1-26, 2008.

G. Siemens, Learning analytics, Proceedings of the 2nd International Conference on Learning Analytics and Knowledge, LAK '12, pp.4-8, 2012.
DOI : 10.1145/2330601.2330605

G. Siemens, D. Gasevic, C. Haythornthwaite, S. Dawson, S. B. Shum et al., Open learning analytics: an integrated & modularized platform. Proposal to design, implement and evaluate an open platform to integrate heterogeneous learning analytics techniques, 2011.

N. Sousa, G. Alves, and M. Gericota, An integrated reusable remote laboratory to complement electronics teaching. Learning Technologies, IEEE Transactions on, vol.3, issue.3, pp.265-271, 2010.

V. Southavilay, K. Yacef, P. Reimann, and R. A. Calvo, Analysis of collaborative writing processes using revision maps and probabilistic topic models, Proceedings of the Third International Conference on Learning Analytics and Knowledge, LAK '13, pp.38-47, 2013.
DOI : 10.1145/2460296.2460307

D. D. Suthers, K. Lund, C. P. Rosé, C. Teplovs, and N. Law, Productive multivocality in the analysis of group interactions, pp.10-978, 1007.
DOI : 10.1007/978-1-4614-8960-3

URL : https://hal.archives-ouvertes.fr/halshs-00986815

K. Verbert, S. Govaerts, E. Duval, S. Odriozola, J. L. Van-assche et al., Learning dashboards: an overview and future research opportunities. Personal and Ubiquitous Computing Retrieved from https, pp.1-16, 2013.

A. Vozniuk, S. Govaerts, and D. Gillet, Towards Portable Learning Analytics Dashboards, 2013 IEEE 13th International Conference on Advanced Learning Technologies, 2013.
DOI : 10.1109/ICALT.2013.126

S. Weinbrenner, Sqlspaces: a platform for flexible language heterogeneous multi-agent systems, München: Hut. (Zugl, 2012.

O. R. Za?ane and J. Luo, Web usage mining for a better web-based learning environment, Proceedings of conference on advanced technology Go-Lab D4.2 Spec. of Learning Analytics, Scaffolding, and Add-on Services for education, pp.60-64, 2001.

J. Zhang, M. S. Ackerman, and L. Adamic, Expertise networks in online communities, Proceedings of the 16th international conference on World Wide Web , WWW '07, pp.221-230, 2007.
DOI : 10.1145/1242572.1242603