An abstract modeling of learning environments to ensure tracking of learners.

Triomphe Ramandalahy Philippe Vidal Julien Broisin An abstract modeling of learning environments to ensure tracking of learners. 650-652 2009 AIED http://dx.doi.org/10.3233/978-1-60750-028-5-650 conf/aied/2009 db/conf/aied/aied2009.html#RamandalahyVB09