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nd The 2 WorkshoponEmergingWeb ServicesTechnology(WEWST 07) wasco- th catedwiththe5 EuropeanConferenceonWebServices(ECOWS 07)whichtook place in November 2007 in Halle (Saale),Germany. WEWST focuses on research contributions advancing the state of the art in Web Services technologies. The main goal of the WEWST workshop is to serve as a forum for providing early exposure and much needed feedback to grow and establish original and emerging ideas within the Web Services community. The wide variety of tools,techniques and technologicalsolutions presentedin WEWST shareone common feature:they advance the currentWeb Servicesresearchin new directions by introducing new, sometimes controversial, ideas into the ?eld. As such, WEWST is the natural extension to the main ECOWS conference. Asitcanbeseenfromtheworkshopprogram,thespectrumofresearchtopics related to such emergent technologies includes: the challenge of adopting RESTful Web Services and Resource Oriented Architectures; Dynamic Web Service D- covery, Selection and Composition; extensions to the standard Business Process Execution Language; the management of composite Web Services; the delivery of well de?ned Quality of Service guarantees; the performance evaluation of Web Services. These are all still among the hot topics in Web Services research since no satisfactory solution has been found yet.
List of contents
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.
Summary
This book contains papers from the 2007 European Conference on Web Services and the Workshop on Emerging Web Services Technology. Coverage includes grid-based computing, mobility issues for web services, dynamic web services, and model driven engineering.
