Opening Keynote.- Emerging Web Services Technologies - Some Research Challenges Ahead.- Service Discovery and Selection.- Service selection by choreography-driven matching.- Enabling Business Experts to Discover Web Services for Business Process Automation.- Evaluation of Semantic Service Discovery-A Survey and Directions for Future Research.- Service Composition.- A Framework for Dynamic Web Services Composition.- Composite Web Services.- On the Management Requirements of Web Service Compositions.- BPEL Extensions.- BPEL DT - Data-Aware Extension for Data-Intensive Service Applications.- Towards Resource-Oriented BPEL.- Quality of Service.- SSL-over-SOAP: Towards a Token-based Key Establishment framework for Web services.- A Framework for QoS-based Resource Brokering in Grid Computing.- Model-Driven Performance Evaluation for Service Engineering.