Régine Teulier is an associate researcher at the i3-CRG (UMR CNRS 9217, École Polytechnique, Institut Polytechnique de Paris, Palaiseau), France. Her research interests concern the knowledge and cooperation processes through the observation of practices. Since 2007, she has participated in the Communic and MINnD projects. Marie Bagieu is an engineer and has a doctorate in physical sciences. She is director of educational innovation at Builders École d’Ingénieurs, France, and is a member of the steering committee of the EduBIM network, an offshoot of the MINnD collaborative research project.