Keynotes -- Trust: From Cognition to Conceptual Models and Design -- Dealing with Trust in eGov Services -- Trusted Interaction: User Control and System Responsibilities in Interaction Design for Information Systems -- Security -- Designing Security Requirements Models Through Planning -- Towards a Comprehensive Framework for Secure Systems Development -- Role-Based Modelling of Interactions in Database Applications -- Conceptual Modelling -- Incremental Evaluation of OCL Constraints -- Object-Relational Representation of a Conceptual Model for Temporal Data Warehouses -- Data Translation Between Taxonomies -- Queries -- Managing Quality Properties in a ROLAP Environment -- Comprehensible Answers to Précis Queries -- An Efficient Approach to Support Querying Secure Outsourced XML Information -- Document Conceptualisation -- Wrapping PDF Documents Exploiting Uncertain Knowledge -- Supporting Customised Collaboration over Shared Document Repositories -- Data Conceptualisation for Web-Based Data-Centred Application Design -- Service Composition -- Resolving Underconstrained and Overconstrained Systems of Conjunctive Constraints for Service Requests -- Discovering Remote Software Services that Satisfy Requirements: Patterns for Query Reformulation -- A Library of OCL Specification Patterns for Behavioral Specification of Software Components -- Workflow -- Data-Driven Process Control and Exception Handling in Process Management Systems -- Workflow Exception Patterns -- Dynamic Workflow Modeling and Verification -- Business Modelling -- On the Notion of Value Object -- Inter-organisational Controls as Value Objects in Network Organisations -- Landscape Maps for Enterprise Architectures -- Configuration and Separation -- Model-Driven Enterprise Systems Configuration -- Configuration Management in a Method Engineering Context -- Why Software Engineers Do Not Keep to the Principle of Separating Business Logic from Display: A Method Rationale Analysis -- Business Process Modelling -- Translating Standard ProcessModels to BPEL -- Semantic Annotation Framework to Manage Semantic Heterogeneity of Process Models -- A Study of the Evolution of the Representational Capabilities of Process Modeling Grammars -- Agent Orientation -- From Stakeholder Intentions to Software Agent Implementations -- Modeling Mental States in Agent-Oriented Requirements Engineering -- On the Quantitative Analysis of Agent-Oriented Models -- Requirements Management -- An Empirical Evaluation of the i* Framework in a Model-Based Software Generation Environment -- Towards an End-User Development Approach for Web Engineering Methods -- Modeling Volatile Concerns as Aspects.