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dc.contributor.authorNgu, Anne Hee Hiongen_US
dc.contributor.authorHaasch, Nicholasen_US
dc.contributor.authorMcPhilips, Timothyen_US
dc.contributor.authorBowers, Shawn M.en_US
dc.contributor.authorLudaescher, Bertramen_US
dc.contributor.authorCritchlow, Terenceen_US
dc.date.accessioned2007-09-19T22:59:25Z
dc.date.available2012-02-24T10:03:43Z
dc.date.issued2007-04-01en_US
dc.identifier.urihttps://digital.library.txstate.edu/handle/10877/2598
dc.descriptionReport Number TXSTATE-CS-TR-2007-7en_US
dc.description.abstractCurrent approach to scientific workflow design in the popular open source Kepler system is based on the actor-oriented framework where concrete actors can be hierarchically composed and orchestrated by different directors (schedulers). A common assumption in this design framework is that workflow is static and must be completely specified before orchestration. Such a static and monolithic workflow cannot response to changing runtime conditions. We present flexible scientific workflow design that allows some tasks to be partially specified via abstract actors called Frame. The behavior of a frame is determined at runtime by the embedded concrete actor. We implemented the process of dynamic embedding that can tailor to different selection policies and enable automatic construction of subworkflow to execute the embedded component at runtime. Frames and dynamic embedding provide high level abstractions for specifying workflow that enables flexible execution nested to any level.en_US
dc.formatText
dc.format.extent11 pages
dc.format.medium1 file (.pdf)
dc.language.isoen_US
dc.subjectScientific workflowen_US
dc.subjectEmbeddingen_US
dc.subjectFramesen_US
dc.subjectDynamic embeddingen_US
dc.titleFlexible Scientific Workflows Using Frames and Dynamic Embeddingen_US
txstate.documenttypeTechnical Report
txstate.departmentComputer Science


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