Difference: WorkflowManagementSystem (5 vs. 6)

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Workflow Management System

The Workflow Management System (WfMS) project is developed within the CoreGRID european project. The main goal of this project is to provide an effective solution to run complex scientific workflows modeled with Petri Nets taking full advantage of the distributed and etherogeneous nature of the Grid. One of the design principle is the neutrality towards the underlying mechanism for task execution, in order not to compromise interoperability with multiple infrastuctures.
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INFN Cnaf Bologna
Simone Pellegrini, Francesco Giacomini

Papers

CGW07
Simone Pellegrini, Francesco Giacomini, Antonia Ghiselli: A Practical Approach for a Workflow Management System. In Proceedings of the CoreGRID Workshop 2007, Dresden, 2007.
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ICGW08 [under reviewing process]
Simone Pellegrini, Andreas Hoheisel, Francesco Giacomini, Antonia Ghiselli: Using GWorkflowDL for Middleware-Independent Modeling and Enactment of Workflows. Submitted for the CoreGRID Integration Workshop 2008, Creta, 2008.
WSES08 [under reviewing process]
Simone Pellegrini, Francesco Giacomini: Desing of a Petri Net-based Workflow Engine. Submitted for the 3rd International Workshop on Workflow Systems in e-Science, Lyon, 2008.
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CGIW08
Simone Pellegrini, Andreas Hoheisel, Francesco Giacomini, Antonia Ghiselli: Using GWorkflowDL for Middleware-Independent Modeling and Enactment of Workflows. Submitted for the CoreGRID Integration Workshop 2008, Crete, 2008.
WaGe08 [coming]
Simone Pellegrini, Francesco Giacomini: Desing of a Petri Net-based Workflow Engine. Submitted for the The 3rd International Conference on Grid and Pervasive Computing (GPC 2008), Kunming (China), 2008.
CG08 [under reviewing process]
Simone Pellegrini, Francesco Giacomini: GWorkflowDL: A Multi-purpose Language for Scientific Workflow Enactment. Submitted for the 3rd CoreGRID Workshop on Grid Middleware, Barcellona, 2008.
 

Concepts

Petri Nets in workflow modeling

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Workflow Engine

The engine, represent the core component of the WfMS. It is based on the HLPN formalism and has the responsability to schedule workflow tasks accoring to their interdependencies keeping the overall state of the workflow execution. The engine deals with the non-determinism in Petri Nets providing an unique design capable of guarantee state consistency and ideally inifinite parallelism in task execution.
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-- SimonePellegrini - 19 Dec 2007
 
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