A semantic workflow authoring tool for programming grids
Proceedings of the 2nd workshop on Workflows in support of large-scale science
A service oriented marketplace for next generation networks
Proceedings of the 6th international joint conference on Autonomous agents and multiagent systems
A novel domain oriented approach for scientific grid workflow composition
Proceedings of the 2008 ACM/IEEE conference on Supercomputing
A Dynamic Orchestration Model for Future Internet Applications
ServiceWave '08 Proceedings of the 1st European Conference on Towards a Service-Based Internet
An ontology based workflow centric collaboration system
CSCWD'06 Proceedings of the 10th international conference on Computer supported cooperative work in design III
ServiceFlow: QoS-based hybrid service-oriented grid workflow system
The Journal of Supercomputing
Pre-execution security policy assessment of remotely defined BPEL-based grid processes
TrustBus'07 Proceedings of the 4th international conference on Trust, Privacy and Security in Digital Business
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Semantic Grid is becoming a key enabler for next generation Grid and the need of supporting process description and enactment, by means of composition of multiple resources, emerged as one of the fundamental requirements. Within NextGRID1 project, the idea of adopting business processes (expressed as workflow policies) as architectural components in a next generation Grid has been developed with the aim of providing architecture with dynamic behaviour and interoperability. The need of a semantic workflow representation language then emerged and was developed defining an OWL-S extension able to support workflow description. The resulting OWL-WS (OWL for Workflow and Services) ontology allows us modelling concept like abstract and concrete services and workflows according to a Semantic Workflow Model also enabling specification of higher-order workflows and semantic service grouping. This language is being used for specifying adaptive business processes (policy) that are used as evaluation and binding mechanisms by a Workflow Enactment Engine.