An abstract modeling of learning environments to ensure tracking of learners. - Triomphe Ramandalahy; Philippe Vidal; Julien Broisin (AIED, 2009)

Opening Learner Profiles across Heterogeneous Applications. - Triomphe Ramandalahy; Philippe Vidal; Julien Broisin (ICALT, 2009)

An Intelligent Tutoring System Supporting Metacognition and Sharing Learners' Experiences. - Triomphe Ramandalahy; Philippe Vidal; Julien Broisin (Intelligent Tutoring Systems (2), 2010)