Invited Papers.- An Overview of Fuzzy Relational Calculus and Its Applications.- Golden Quadruplet: Optimization - Inequality - Identity - Operator.- Algorithms for String Pattern Discovery.- Voting in the Medieval Papacy and Religious Orders.- Decision Making.- Static and Dynamic Coalition Formation in Group-Choice Decision Making.- A Multicriteria Fuzzy System Using Residuated Implication Operators and Fuzzy Arithmetic.- A Behavioral Analysis in Decision Making Using Weather Information with the Fuzzy Target Based Decision Model.- Group Decision Making: From Consistency to Consensus.- Weighting Individual Opinions in Group Decision Making.- An Active Learning Method Based on Most Possible Misclassification Sampling Using Committee.- Research on Next Generation Grids Using a Fuzzy Assessment Method.- Combining Prioritized Decisions in Classification.- An Aggregation of Agents, Roles and Coalition Formation to Support Collaborative and Dynamic Organizations.- Non Additive Measures and Concept Lattices.- Multidimensional Fuzzy Integrals.- Lindigs Algorithm for Concept Lattices over Graded Attributes.- A Version of Lebesgue Decomposition Theorem for Non-additive Measure.- Trees in Concept Lattices.- An Axiomatization of Shapley Values of Games on Set Systems.- Clustering and Rough Sets.- Formulation of Fuzzy c-Means Clustering Using Calculus of Variations.- CWC: A Clustering-Based Feature Weighting Approach for Text Classification.- A Novel Spatial Clustering Algorithm with Sampling.- Algorithms for Sequential Extraction of Clusters by Possibilistic Clustering.- Fuzzy c-Means for Data with Tolerance Defined as Hyper-Rectangle.- Kernel Functions Based on Fuzzy Neighborhoods and Agglomerative Clustering.- c-Means Clustering on the Multinomial Manifold.- On a Rough SetsBased Tool for Generating Rules from Data with Categorical and Numerical Values.- Applying Rough Sets to Information Tables Containing Probabilistic Values.- Soft Computing.- Fuzzy Extension of EstimationlĂb