@congreso_internacional{446, author = {Rosa María Rodríguez and Macarena Espinilla and Luis Martínez and Jun Liu}, title = {Computing with Words Based on a Hybrid Semantic-Symbolic Model}, year = {2009}, volume = {2}, pages = {19-24}, month = {November 27-28th}, publisher = {The 4th International Conference on Intelligent System and Knowledge Engineering (ISKE2009)}, address = {University of Hasselt, Hasselt (Belgium)}, }