Document Classification -- A Dynamic Hierarchical Fuzzy Clustering Algorithm for Information Filtering -- A Theoretical Framework for Web Categorization in Hierarchical Directories using Bayesian Networks -- Personalized Knowledge Models Using RDF-Based Fuzzy Classification -- A Genetic Programming Approach for Combining Structural and Citation-Based Evidence for Text Classification in Web Digital Libraries -- Semantic Web -- Adding a Trust Layer to Semantic Web Metadata -- A Fuzzy Linguistic Multi-agent Model Based on Semantic Web Technologies and User Profiles -- Fuzzy Concept-Based Models in Information Browsers -- Evaluation of Term-based Queries using Possibilistic Ontologies -- Web Information Retrieval -- Formal Theory of Connectionist Web Retrieval -- Semi-fuzzy Quantifiers for Information Retrieval -- Helping Users in Web Information Retrieval Via Fuzzy Association Rules -- Combining Soft and Hard Techniques for the Analysis of Batch Retrieval Tasks -- Web Application -- Search Advertising -- Information Loss in Continuous Hybrid Microdata: Subdomain-Level Probabilistic Measures -- Access to a Large Dictionary of Spanish Synonyms: A Tool for Fuzzy Information Retrieval.