| 2004 | Multisets and Fuzzy Multisets as a Framework of Information Systems. | Sadaaki Miyamoto |
| 2004 | Fuzzy Integrals. | Radko Mesiar, Andrea Mesiarov |
| 2004 | Object Positioning Based on Partial Preferences. | Josep Maria Mateo-Sanz, Josep Domingo-Ferrer, Vicen Torra |
| 2004 | Stock Price Forecasting: Statistical, Classical and Fuzzy Neural Network Approach. | Dusan Marcek |
| 2004 | Introduction to RoboCup Research in Japan. | Yoichiro Maeda |
| 2004 | Unsupervised Aggregation by the Choquet Integral Based on Entropy Functionals: Application to the Evaluation of Students. | Ivan Kojadinovic |
| 2004 | A Feature Weighting Approach to Building Classification Models by Interactive Clustering. | Liping Jing, Joshua Zhexue Huang, Michael K. Ng, Hongqiang Rong |
| 2004 | On Detecting Interactions in Hayashi's Second Method of Quantification. | Hideyuki Imai, Daigo Izawa, Kiyotaka Yoshida, Yoshiharu Sato |
| 2004 | A Framework for Representation and Manipulation of Vague Knowledge. | Van-Nam Huynh, Yoshiteru Nakamori |
| 2004 | Measurements of Consensus in Multi-granular Linguistic Group Decision-Making. | Enrique Herrera-Viedma, Francisco Mata, Luis Martnez-Lpez, Francisco Chiclana, Luis G. Prez |
| 2004 | Fuzzy Qualitative Models to Evaluate the Quality on the Web. | Enrique Herrera-Viedma |
| 2004 | Wavelet Time Shift Properties Integration with Support Vector Machines. | Jaime Gmez, Ignacio Melgar, Juan Seijas |
| 2004 | A Generalization of Symbolic Data Analysis Allowing the Processing of Fuzzy Granules. | Vasile Georgescu |
| 2004 | Comparing Transitive Closure with a New T-transitivization Method. | Luis Garmendia, Adela Salvador |
| 2004 | Modeling the Distributed Control of the Lower Urinary Tract Using a Multiagent System. | Daniel Ruiz Fernndez, Juan Manuel Garca Chamizo, Francisco Maci Prez, Antonio Soriano Pay |
| 2004 | Reliability of LSP Criteria. | Jozo J. Dujmovic, Wen Yuan Fang |
| 2004 | An Empirical Analysis of Assessment Errors for Weights and Andness in LSP Criteria. | Jozo J. Dujmovic, Wen Yuan Fang |
| 2004 | Combining Multiple Classifiers Using Dempster's Rule of Combination for Text Categorization. | Yaxin Bi, David A. Bell, Hui Wang, Gongde Guo, Kieran Greer |
| 2004 | A Learning Procedure to Estimate Missing Values in Fuzzy Preference Relations Based on Additive Consistency. | Sergio Alonso, Francisco Chiclana, Francisco Herrera, Enrique Herrera-Viedma |