Part 1 Network-based reasoning: valuation networks, decision trees and influence diagrams - a comparison, P.P. Shenoy; propagation of convex sets of probabilities in directed acyclic networks, J.E. Cano et al; local propagation of information on directed Markov trees, S. Sandri; approximations of probability distributions by three types of graph models, R. Jirousek; using Bayesian algorithms for learning causal networks in classification problems, R. Molina et al; convergence of causal probabilistic networks, R. Matthes and U.G. Oppel. Part 2 Reasoning with uncertainty: deriving Dempster's rule, P. Hajek; independence concepts in upper and lower probabilities, L.M. de Campos and J.F. Huete; a mass assignment theory and memory based reasoning, J.F. Baldwin; conditional events and subjective probability in management of uncertainty, A. Gilio; how to solve some critical examples by a proper use of coherent probability, R. Scozzafava; handling uncertainty and incompleteness with multiple lines of reasoning, T. Chehire et al; an entropy formulation of evidential measures and their application to real-world problem solving, L.P. Wesley; properties of probabilistic relations, J. Jacas and Recasens; description of conditional independence structures by means of imsets - a connection with product formula validity, M. Studeny; weak coherence condition for conditional comparative probabilities, G. Coletti; uncertainty and inference through approximate sets, J. Miro and J. Miro-Julia; an efficient tool for reasoning with belief functions, H. Xu. Part 3 Fuzzy set methods: a fuzzy expert system for on-line diagnosis, M. Fathi et al; fuzzy cellular automata - a practical approach to fuzzy differential equations, J.F. Baldwin et al; analogical reasoning and fuzzy resemblance, B. Bouchon-Meunier and L. Valverde; triangular fuzzy relational compositions revisited, P. De Baets and E.E. Kerre; modelling support system for ecological application based on fuzzy logic, A. Salski and P. Kandzia; on the least models of fuzzy datalog programmes, A. Kiss; resolution criteria for algebraic equations with fuzzy parameters, S. Teghbit and N. Malvache; a Petri net based fuzzy PLC for linear interplotion between control steps, J.C. Pascal and R. Valette. Part 4 Analysis of uncertain data. Part 5 Measures of information. Part 6 Uncertainty in social and behavioural sciences.