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dc.contributor.authorZhang, P.en
dc.contributor.authorHan, Y.en
dc.contributor.authorBabar, M.en
dc.identifier.citationInternational Journal of Computational Science and Engineering, 2015; 10(1):15-31en
dc.description.abstractWhile service-oriented cloud workflow shows potentials of inherent scalability, loose coupling and expenditure reduction, such issues as data transfer and efficiency have popped up as major concerns. In this paper, a dataflow opt imisation mechanism is proposed, including data transfer strategy and data placement strategy. The data transfer strategy uses integrated data structures to enable the elimination of the SOAP serialisation and de-serialisation within the web service invocation by the exchange of their references. In additi on, the data placement strategy groups the existing datasets and dynamically cluste rs newly generated datase ts to minimise data transfers while keeping a polynomial time complexity. By integrating the optimisation mechanism into service-oriented cloud workflow system, we can expect efficiency improvements in data transfer and workflow execution. Experiments and analysis supported our efforts.en
dc.description.statementofresponsibilityPeng Zhang, Yanbo Han, Muhammad Ali Babaren
dc.publisherInderscience Enterprisesen
dc.rights© 2015 Inderscience Enterprises Ltd.en
dc.subjectData flow; Service-oriented cloud workflow; Data placement; Data affinity matrix; Integrated data structureen
dc.titleA dataflow optimisation mechanism for service-oriented cloud workflowen
dc.typeJournal articleen
pubs.library.collectionComputer Science publicationsen
dc.identifier.orcidBabar, M. [0000-0001-9696-3626]en
Appears in Collections:Computer Science publications

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