Invited Talks -- Exploiting Large-Scale Semantics on the Web -- Acquiring and Sharing Knowledge in Large Organizations: Issues, Requirements and Methodologies -- Agents -- Property Based Coordination -- A Formal General Setting for Dialogue Protocols -- OCC's Emotions: A Formalization in a BDI Logic -- Constraints and Optimization -- A Boolean Encoding Including SAT and n-ary CSPs -- A Constructive Hybrid Algorithm for Crew Pairing Optimization -- Using Local Search for Guiding Enumeration in Constraint Solving -- User Concerns -- Study on Integrating Semantic Applications with Magpie -- N-Gram Feature Selection for Authorship Identification -- Incorporating Privacy Concerns in Data Mining on Distributed Data -- Decision Support -- Multiagent Approach for the Representation of Information in a Decision Support System -- Flexible Decision Making in Web Services Negotiation -- On a Unified Framework for Sampling With and Without Replacement in Decision Tree Ensembles -- Models and Ontologies -- Spatio-temporal Proximities for Multimedia Document Adaptation -- Deep into Color Names: Matching Color Descriptions by Their Fuzzy Semantics -- Developing an Argumentation Ontology for Mailing Lists -- Machine Learning -- Clustering Approach Using Belief Function Theory -- Machine Learning for Spoken Dialogue Management: An Experiment with Speech-Based Database Querying -- Exploring an Unknown Environment with an Intelligent Virtual Agent -- Ontology Manipulation -- Case-Based Reasoning Within Semantic Web Technologies -- A Proposal for Annotation, Semantic Similarity and Classification of Textual Documents -- Cooking an Ontology -- Natural Language Processing -- Methodology for Bootstrapping Relation Extraction for the Semantic Web -- Using Verbs to Characterize Noun-Noun Relations -- Applications -- BEATCA:Map-Based Intelligent Navigation in WWW -- Model-Based Monitoring and Diagnosis Chip for Embedded Systems -- A Knowledge-Based Approach for Automatic Generation of Summaries of Behavior -- INFRAWEBS Designer - A Graphical Tool for Designing Semantic Web Services.