@congreso_internacional{451, author = {Emilio José Castellano and Luis Martínez}, title = {A Linguistic Collaborative Recommender System for Academic Orientation}, year = {2009}, volume = {2}, pages = {267-272}, month = {November 27-28th}, publisher = {The 4th International Conference on Intelligent System and Knowledge Engineering}, address = {University of Hasselt, Hasselt (Belgium)}, }