29-31 octobre 2014. Franck Varenne. Organizer and chair of the « Epistemology » session at the Agreenskills Research School on « Predictive modeling: from data to models » – Météopole – Toulouse 2014 October 29-31. Co-speakers: René Doursat (CNRS), Nadine Peyriéras (CNRS), Antoine Spicher (UPEC). Personal conference: « The diversity of model functions and data/models relationships in history and today »