Invited Talks.- Asymmetric and Compound Preference Aggregators.- Computational Models of Language Toward Brain-Style Computing.- Dominance-Based Rough Set Approach to Case-Based Reasoning.- Towards the Next Generation of Computational Trust and Reputation Models.- Regular Papers.- Preference Modeling by Rectangular Bilattices.- Strategies to Manage Ignorance Situations in Multiperson Decision Making Problems.- An Agent Negotiation Engine for Collaborative Decision Making.- Learning Causal Bayesian Networks from Observations and Experiments: A Decision Theoretic Approach.- The Pairwise Comparison Model: The Multiplicative and the Additive Approach.- Simultaneous Decision Networks with Multiple Objectives as Support for Strategic Planning.- Evaluating Model Construction Methods with Objective Rule Evaluation Indices to Support Human Experts.- A Multicriteria Fuzzy Decision System to Sort Contaminated Soils.- A Comparing Method of Two Team Behaviours in the Simulation Coach Competition.- On the Use of Tools Based on Fuzzy Set Theories in Parametric Software Cost Estimation.- Using Fuzzy Set Theory to Assess Country-of-Origin Effects on the Formation of Product Attitude.- Non-monotonic Fuzzy Measures and Intuitionistic Fuzzy Sets.- A Defuzzification Method of Fuzzy Numbers Induced from Weighted Aggregation Operations.- Dependent OWA Operators.- Decision Aggregation in an Agent-Based Financial Investment Planning System.- Generated Universal Fuzzy Measures.- Aggregation of Valued Relations Applied to Association Rule Interestingness Measures.- On the Relationship Between the Quantifier Threshold and OWA Operators.- Integrated Fuzzy Approach for System Modeling and Risk Assessment.- Watermarking Non-numerical Databases.- New Approach to the Re-identification Problem Using Neural Networks.- Bayesian Correction for SNP Ascertainment Bias.- An Application of Support Vector Machine to Companies’ Financial Distress Prediction.- Probabilistic Verification of Uncertain Systems Using Bounded-Parameter Markov Decision Processes.- Modality Argumentation Programming.- Feature Selection in SVM Based on the Hybrid of Enhanced Genetic Algorithm and Mutual Information.- Improving Fuzzy Rule-Based Decision Models by Means of a Genetic 2-Tuples Based Tuning and the Rule Selection.- Path Bitmap Indexing for Retrieval of XML Documents.- A Modified Fuzzy C-Means Algorithm for Differentiation in MRI of Ophthalmology.- On Fuzzy c-Means for Data with Tolerance.- On the Use of Variable-Size Fuzzy Clustering for Classification.