Towards Real-Time Middleware for Applications of Vehicular Ad Hoc Networks -- Towards Real-Time Middleware for Applications of Vehicular Ad Hoc Networks -- Adaptive Context Management Using a Component-Based Approach -- Customised Billing for Location-Based Services -- Interoperability Architectures -- Loosely-Coupled Integration of CSCW Systems -- Interoperability and eServices -- Model-Driven Self-management of Legacy Applications -- Methodological Aspects -- Model-Driven Methodology for Building QoS-Optimised Web Service Compositions -- How to Implement Software Connectors? A Reusable, Abstract and Adaptable Connector -- Designing Self-adaptive Multimedia Applications Through Hierarchical Reconfiguration -- Transformation Composition Modelling Framework -- Service Discovery -- Proximity-Based Service Discovery in Mobile Ad Hoc Networks -- Enriching UDDI Information Model with an Integrated Service Profile -- Configurable Communication -- Building a Configurable Publish/Subscribe Notification Service -- Protocol Reconfiguration Using Component-Based Design -- A Secure and Efficient Communication Resume Protocol for Secure Wireless Networks -- Interoperability Architectures II -- An Architecture for Collaborative Scenarios Applying a Common BPMN-Repository -- A Flexible and Modular Framework for Implementing Infrastructures for Global Computing -- An Architecture for Implementing Application Interoperation with Heterogeneous Systems -- Performance and Optimization -- Optimizing the Access to Read-Only Data in Grid Computing -- Using Data Item Relationships to Adaptively Select Data for Synchronization -- A Client/Intercept Based System for Optimizing Wireless Access to Web Services.