Mazza, Riccardo and Mazzola, Luca (2010) GVIS: A Facility for Adaptively Mashing Up and Representing Open Learner Models. In: Wolpers, Martin and Kirschner, Paul A and Scheffel, Maren and Lindstaedt, Stefanie and Dimitrova, Vania, (eds.) Sustaining TEL: From Innovation to Learning and Practice. 5th European Conference on Technology Enhanced Learning, EC-TEL 2010, Barcelona, Spain, September 28 - October 1, 2010. LNCS (6383). Springer-Verlag, Berlin, pp. 554-559. ISBN 978-3-642-16019-6