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Grid and Cooperative Computing Workshops, International Conference on (2006)
Hunan, China
Oct. 21, 2006 to Oct. 23, 2006
ISBN: 0-7695-2695-0
pp: 290-295
Helmut Wanek , University of Vienna, Austria
Erich Schikuta , University of Vienna, Austria
Composing Grid Services to workflows, which solve specific problems is not a trivial task. Various parameters like for example timing constraints, desired quality of solution, availability of (computing) resources, error recovery, payment and security issues, to name only a few, have to be considered. The heterogeneity and the highly dynamic nature of the Grid pose additional challenges. Current implementations try to construct workflows based on the user's needs and the capabilities of the respective services before the actual run. In this paper we propose a blackboard method that is able to find (near) optimal workflows and accommodate to changing conditions like for instance delays or faults on the fly.
Helmut Wanek, Erich Schikuta, "Using Blackboards to Optimize Grid Workflows with Respect to Quality Constraints", Grid and Cooperative Computing Workshops, International Conference on, vol. 00, no. , pp. 290-295, 2006, doi:10.1109/GCCW.2006.97
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