Preface. Information: Revision by Translation; D. Gabbay, O. Rodrigues, A. Russo. Ambiguous Implications in Knowledge-Based Systems Described by Entity-Characteristic Tables; S. Guiasu. Functional Dependencies and the Design of Relational Databases Involving Imprecise Data; P. Bosc, L. Lietard. A Query Construct for Paraconsistent Databases; R. Bagai. Fuzzy Classifactory Object Recognition for Crisis Detection; H. Larson, R.R. Yager. An Approach to Using Degrees of Belief in BDI Agents; S Parsons, P. Giorgini. Representation of Comonotonically Additive Functional by Choquet Integral; Y. Narukawa, T. Murofushi, M. Sugeno. On Lower and Upper Approximation of Fuzzy Measures by k-Order Additive Measures; M. Grabisch. Generated Fuzzy Quantifiers and Their Orderings; E.E. Kerre, M. Mares, R. Mesiar. On Neurofuzzy and Fuzzy Decision Tree Approaches; C. Olaru, L. Wehenkel. A Fuzzy Extension to a Temporal Parsimonious Covering Theory; S. Sandri, J. Wainer. Uncertainty: Probabilities of Future Decisions; D. Nilsson, F.V. Jensen. Representations Issues for Risk Scenarios; S. Langley. Zero Probabilities in Stochastical Independence; G. Coletti, R. Scozzafava. Computing the Probability of Formulas Representing Events in Product Spaces; P.A. Monney, B. Anrig. Uncertainty Handling for Distributed Database Integration and Knowledge Discovery; S,I. McClean, B.W. Scotney. A Rule-Based Language for Probabilistic Reasoning; S.K.M. Wong. Deriving Possibility Distributions from Data Sets Using Confidence Intervals of Probabilities; L.M. do Campos, J.F. Huete. Fuzzy Random Variables-Based Modeling with GA-P Algorithms; L. Sanchez, I. Couso. A Seasonal Streamflow Forecasting Model Using NeurofuzzyNetwork; R. Ballini, M. Figueiredo, S. Soares, M. Andrade, F. Gomide. Allowing Imprecision in Belief Representation Using Fuzzy-Valued Belief Structures; T. Denoeux. A Transformational Approach to Fuzzy Propositions; F. Ferandez, J. Gutierrez. Four-Valued Logics for Reasoning with Uncertainty in Prioritized Data; O. Arieli. Fusion: A Mathematical Model for Fuzzy Connectives and its Application to Operators Behavioural Study; E. Trillas, A. Pradera, S. Cubillo. Invariance Properties of OWA Operators; S. Ovchinnikov. Aggregation Operators as Similarity Relations; G. Beliakov. Semantic Meaning of Fuzzy Control Models and Heterogeneous Aggregation Operators; B. Shukhat. Maxative Fuzzy Preference Structures; B. De Baets, J. Fodor. Directed Possibilistic Graphs and Possibilistic Logic; S. Benferhat, D, Dubols, L. Garcia, H. Prade. A Logic of Supporters; C. Lafage, J. Lang, R. Sabbadin. Building Argumentation Systems on Set Constraint Logic; R. Haenni, N. Lehrnann. Genetic Fuzzy c-Means Algorithm for Automatic Generation of Fuzzy Partitions; S. Lopez, L. Magdalena, S. Velasco. Fast Dempster-Shafer Clustering Using a Neural Network Structure; S. Schubert. Distribution of Contradictive Belief Masses in Combination of Belief Functions; M. Daniel. Relationships Among Ordinal Relations on a Finite Set of Events; A. Capotorti, B. Vantaggi. Index.