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WSCA 2009 : 3rd International Workshop on Web Service Composition and Adaptation


When Jul 6, 2009 - Jul 6, 2009
Where Los Angeles, CA, USA
Submission Deadline Feb 23, 2009
Notification Due Mar 31, 2009
Final Version Due Apr 7, 2009
Categories    web

Call For Papers

Recent advances in networks, information and computation grids, and Web languages and protocols have enabled development of, and led to the proliferation of, distributed and autonomously developed Web services. These include WSDL/SOAP based services well suited for enterprise applications as well as lighter-weight WebAPIs and REST-ful services widely used in Web applications. Correspondingly, the construction and deployment of mashup and composite services that combine and reuse independently developed component services is an important capability in the emerging Web-based computing infrastructure. Given that business and application needs continually change, and component services may also independently change, a number of challenges in provide dynamic, flexible and adaptable approaches to such integration and composition of services remains an important challenge.

Against this background, the proposed workshop invites manuscripts addressing various aspects related to (a) discovery or selection of component services that will be integrated, (b) use of semantics to ease data mediation and integration of component services, (c) developing approaches to handling service failures, changes in service functionalities, and changes to quality of service parameters, and (d) understanding external events, which are the sources of volatility in service compositions. Insightful examples of and approaches to service composition and adaptation in a variety of applications such as scientific and engineering workflows, mobile computing, sensor networks, consumer and social networking, are welcomed as well. Additionally, we invite discussions of toolkits that support composition and adaptation objectives.

As noted above, there is a growing awareness that solutions to the problem of Web service composition are crucial for reaping the benefits of autonomously developed services. Recent enterprise-focused research has focused on developing solution methodologies by using well-studied techniques in domain of software composition, planning, formal verification etc. Independently, Web or consumer focused application developers have made rapid progress in development and deployment of mashups that deal with distinctly different technologies and approaches for composing constituent services. The two communities have had limited communications. As such it is necessary to bring together researchers and practitioners from different domains with varying research background and build a knowledge base cross-cutting the fields of distributed computing and middleware, Web technologies, software engineering, artificial intelligence and formal methods to effectively address some of the problems aforementioned.

The objective of the proposed workshop is to bring together researchers and practitioners to discuss the current state of the art and open research problems in Web service composition and adaptation. In addition to applications areas addressed in past workshops (e.g., e-Science, e-Business, e-Government ), this workshop will provide a forum for some of the newer applications of composition and adaptation capabilities, specifically in scientific workflows, social computing, mobile computing and sensor networks area.
Specific topics of interest include (but not limited to):

* Dynamic service discovery and selection
* Semantic annotation and mediation of services
* Formal methods in service composition
* Verification of service composition
* Domain specific languages for mashups
* Reuse in service composition: service compatibility and substitution
* Ontology-based approaches to service composition and mashups
* Adaptation and Evolution of services, including modeling of events that impact service com- positions and mashups, and techniques to respond to these events
* Case studies and applications (e.g., in e-Science, e-Business, e-Government, mobile comput- ing, social computing, sensor networks)

Important Dates

* Paper Submission Due Date: February 23, 2009
* Decision Notification: March 31, 2009
* Camera Ready Due Date: April 7, 2009

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