On Wednesday, January 16, 2013, at 11 am in the Graduate Hall of the School of Telecommunication Engineering at the Polytechnic University of Madrid is going to proceed to the act of reading and defense of the doctoral thesis entitled " Contributions to the Contextualization of Human-Machine Spoken Interaction Systems "that is author Juan Manuel Lucas Cuesta directed by Professor D. Javier López Ferreiros, both belonging to Speech Technology Group within the program of the Department of Electronic Engineering.