1. F. Herrera, E. Herrera-Viedma (Eds.), Computing with Words: Foundations and Applications. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, Volume 9, Suppl. September 2001.

2. B. de Baets, M. Delgado, F. Herrera, E. Herrera-Viedma, J. Fodor, L. Martínez (Eds.), Special Issue on Preference Modeling and Applications. Fuzzy Sets and Systems. Volume 137, Number 1, 2003.

3. B. de Baets, M. Delgado, F. Herrera, E. Herrera-Viedma, J. Fodor, L. Martínez (Eds.), Special Issue on Preference Modeling and Applications. International Journal of Intelligent Systems. Volume 18, 2003.

4. O. Cordón, E. Herrera-Viedma (Eds.). Special Issue on Soft Computing Applications to Intelligent Information Retrieval on the Internet. International Journal of Approximate Reasoning, Volume 34, Numbers 2-3, 2003.

5. F. Herrera, E. Herrera-Viedma, L. Martínez, P.P. Wang (Eds.), Computing with Words: Models and Applications. Information Sciences, Volume 176, Number 4, 2006.

6. E. Herrera-Viedma, G. Pasi (Eds.), Special Issue on Soft Approaches to Information Retrieval and Information Access on the Web. Journal of the American Society for Information Science and Technology, 57(4), 2006.

7. F. Chiclana, E. Herrera-Viedma, S. Alonso, F. Herrera (Eds.), Fuzzy Approaches Modelling, Decision Making and Applications. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, Volume 16, Issue 2 supp, August 2008.

8. E. Herrera-Viedma, G. Pasi, (Eds.), Special Issue on Aggregation Operators for Information Systems. International Journal of Intelligent Systems, Volume 23, Issue 12 2008.

9. Ruan Da, F. Herrera, E . Herrera-Viedma, L. Martínez, P.P. Wang (Eds.), Special Issue on Linguistic Decision Making: Tools and Applications. Information Sciences, Volume 179, Issue 14 2009.

10. F. Herrera, E. Herrera-Viedma, S. Alonso, F. Chiclana (Eds.), Special Issue on Computing with Words and Decision Making. Fuzzy Optimization and Decision Making, Vol. 8, Issue 4, 2009.

12. E. Herrera-Viedma, Guy De Tre, Slawomir Zadrozny, J.A. Olivas (Eds), Special Issue on Soft approaches to information access on the Web. Information Processing & Management, 2010, Volume 48, Issue 3, Pages 387-598, May 2012.