Keynote Papers.- Suggested Research Directions for a New Frontier – Active Conceptual Modeling.- From Conceptual Modeling to Requirements Engineering.- Web Services.- A Context Model for Semantic Mediation in Web Services Composition.- Modeling Service Compatibility with Pi-calculus for Choreography.- The DeltaGrid Abstract Execution Model: Service Composition and Process Interference Handling.- Quality in Conceptual Modeling.- Evaluating Quality of Conceptual Models Based on User Perceptions.- Representation Theory Versus Workflow Patterns – The Case of BPMN.- Use Case Modeling and Refinement: A Quality-Based Approach.- Aspects of Conceptual Modeling.- Ontology with Likeliness and Typicality of Objects in Concepts.- In Defense of a Trope-Based Ontology for Conceptual Modeling: An Example with the Foundations of Attributes, Weak Entities and Datatypes.- Explicitly Representing Superimposed Information in a Conceptual Model.- Modeling Advanced Applications.- Preference Functional Dependencies for Managing Choices.- Modeling Visibility in Hierarchical Systems.- A Model for Anticipatory Event Detection.- XML.- A Framework for Integrating XML Transformations.- Oxone: A Scalable Solution for Detecting Superior Quality Deltas on Ordered Large XML Documents.- Schema-Mediated Exchange of Temporal XML Data.- A Quantitative Summary of XML Structures.- Semantic Web.- Database to Semantic Web Mapping Using RDF Query Languages.- Representing Transitive Propagation in OWL.- On Generating Content and Structural Annotated Websites Using Conceptual Modeling.- Requirements Modeling.- A More Expressive Softgoal Conceptualization for Quality Requirements Analysis.- Conceptualizing the Co-evolution of Organizations and Information Systems: An Agent-Oriented Perspective.- Towards a Theory of Genericity Based on Government and Binding.- Aspects of Interoperability.- Concept Modeling by the Masses: Folksonomy Structure and Interoperability.- Method Chunks for Interoperability.- Domain Analysis for Supporting Commercial Off-the-Shelf Components Selection.- Metadata Management.- A Formal Framework for Reasoning on Metadata Based on CWM.- A Set of QVT Relations to Assure the Correctness of Data Warehouses by Using Multidimensional Normal Forms.- Design and Use of ER Repositories: Methodologies and Experiences in eGovernment Initiatives.- Human-Computer Interaction.- Notes for the Conceptual Design of Interfaces.- The User Interface Is the Conceptual Model.- Towards a Holistic Conceptual Modelling-Based Software Development Process.- Business Modeling.- A Multi-perspective Framework for Organizational Patterns.- Deriving Concepts for Modeling Business Actions.- Towards a Reference Ontology for Business Models.- Reasoning.- Reasoning on UML Class Diagrams with OCL Constraints.- On the Use of Association Redefinition in UML Class Diagrams.- Optimising Abstract Object-Oriented Database Schemas.- Panels.- Experimental Research on Conceptual Modeling: What Should We Be Doing and Why?.- Eliciting Data Semantics Via Top-Down and Bottom-Up Approaches: Challenges and Opportunities.- Industrial Track.- The ADO.NET Entity Framework: Making the Conceptual Level Real.- XMeta Repository and Services.- IBM Industry Models: Experience, Management and Challenges.- Community Semantics for Ultra-Scale Information Management.- Managing Data in High Throughput Laboratories: An Experience Report from Proteomics.- Policy Models for Data Sharing.- Demos and Posters.- Protocol Analysis for Exploring the Role of Application Domain in Conceptual Schema Understanding.- Auto-completion of Underspecified SQL Queries.- iQL: A Query Language for the Instance-Based Data Model.- Designing Under the Influence of Speech Acts: A Strategy for Composing Enterprise Integration Solutions.- Geometry of Concepts.