@conference {5154, title = {Integrating a Conversational Recommender System within a 3D Collaborative Environment}, booktitle = {XV Conferencia de la Asociaci{\'o}n Espa{\~n}ola para la Inteligencia Artificial (CAEPIA)}, year = {2013}, month = {17/09/2013}, pages = {89-99}, address = {Madrid, Spain}, author = {David Contreras and Maria Salam{\'o} and Anna Puig and Inmaculada Rodriguez} }