WETICE 2009

18th IEEE International Workshops on
Enabling Technologies: Infrastructures
for Collaborative Enterprises
June 29 - July 1, 2009, Groningen (The Netherlands)

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Invited speakers

	Schahram Dustdar Vienna University of Technology, Austria Title: Research Challenges for building complex Service-oriented Systems for the Future Internet Abstract: Today's complex service-oriented systems comprise humans and software services spanning multiple organizations. These systems are highly dynamic because not only services, processes and teams are diverse but also they constantly evolve. Therefore, these systems introduce many challenges on how to adapt services, processes and teams to changing situations. In this keynote talk I present research challenges and discuss some of our approaches and solutions to support the modeling and coordination of self-adaptive complex systems of humans and software services.
	Carsten Hentrich CSC, Wiesbaden, Germany Title: Specific Drivers for SOA in e-Government - Challenges and Solutions Abstract: Long term influences like EU law and demographic changes can already be observed as important drivers for change in European governments. Those influences shape how governmental institutions provide their services, how they operate internally and with each other; even across national boundaries and according to international European regulations. The IT of governmental institutions needs to deal with these long term influences. SOA as a strategy is a possible way to deal with these changing circumstances. We illustrate how those different influences drive changes towards SOA in governmental institutions in Germany. In this context, the specific challanges of SOA in e-Government will be highlighted according to examples from Germany. We will elaborate on how SOA can be a means for those long term goals while providing the necessary stable strategy in a likely dynamic political environment.
	Stefan Tai Karlsruhe Institute of Technology (KIT), Germany Title: Cloud Service Engineering - What's inside the Cloud, and what do we make out of it? Abstract: Cloud computing is emerging as a distributed computing model in support of "everything-as-a-service (XaaS)". Virtualized physical resources, virtualized infrastructure, as well as virtualized middle ware platforms and business applications are being provided and consumed as services in private, public, and hybrid Cloud environments. Engineering software systems that use XaaS and which in turn may be provided as Cloud services themselves, however, requires a good understanding of the technical foundations as well as the business models and the ecosystem of available and sustainable Cloud service offerings. In this talk, we report on research and practice of Cloud Service Engineering and outline key challenges and opportunities.