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.