Nathalie Aussenac-Gilles (DR CNRS, IRIT, Toulouse) : Knowledge Engineering Expert Representing experience ? (linguistics and ergonomics facets). 

Sylvie Merviel-Leleu (Directrice Laboratoire Sciences de la Communication, Université Valenciennes): Semiotics, technics and mediatics dimensions when the notion of document becomes digital.

Bruno Bachimont (Directeur à la Recherche UTC. Philosophie et Ingénierie des connaissances et des documents. Conseiler onseiller  scientifique à l’INA) : Present traces and knowledge of the past: how to know what is no more there throught what is there?

Catherine Garbay (DR CNRS, LIG, Grenoble) : Socio-physical computing and traced activity. Illustration through an experience with a network of tangible tables (TangiSense)

Michel Beaudouin-Lafon (Professeur, LRI, Paris) : Designing interactions, not interfaces. The notion of trace through the instrumental approach and in the perspective of the affordances theory (Gibson)

Pascal Salembier (Professor, Cognitive Ergonomy and Interaction Design, UTT, Head of TechCICO) :  The issue of actors' lived experience traces documentation.