OWL-WS: A Workflow Ontology for Dynamic Grid Service Composition
E-SCIENCE '05 Proceedings of the First International Conference on e-Science and Grid Computing
Strategies for the service market place
GECON'07 Proceedings of the 4th international conference on Grid economics and business models
On service discovery process types
ICSOC'05 Proceedings of the Third international conference on Service-Oriented Computing
The WTE+ framework: automated construction and runtime adaptation of service mashups
Automated Software Engineering
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Society and business are demanding systems that can securely and cost-effectively exploit opportunities presented by an Internet of Services. To achieve this goal a system must dynamically adapt to its environment and consider multiple and shifting stakeholder concerns such as application functionality, policies and business processes. In this paper we describe a dynamic orchestration model called the Virtual Infrastructure Model (VIM) which allows consumers to develop service-oriented systems that adapt to the needs of different business actors. It is based on the idea that adaptive workflow and dynamic binding to services can facilitate abstraction of both business processes and requisite interactions with the underlying infrastructure. Key requirements for federated orchestration are addressed including runtime service binding, secure and accountable dynamic procurement, infrastructure adaption, and separation of stakeholder concerns. The VIM is a fundamental component of the Next Generation Grid Architecture developed in the context of the EU funded NextGRID project.