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Concurr Comput. 2010 Jun 25;22(9):1098-1117.

A Comparison of Using Taverna and BPEL in Building Scientific Workflows: the case of caGrid.

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  • 1Computation Institute, University of Chicago and Argonne National Laboratory, Chicago, IL, USA.

Abstract

With the emergence of "service oriented science," the need arises to orchestrate multiple services to facilitate scientific investigation-that is, to create "science workflows." We present here our findings in providing a workflow solution for the caGrid service-based grid infrastructure. We choose BPEL and Taverna as candidates, and compare their usability in the lifecycle of a scientific workflow, including workflow composition, execution, and result analysis. Our experience shows that BPEL as an imperative language offers a comprehensive set of modeling primitives for workflows of all flavors; while Taverna offers a dataflow model and a more compact set of primitives that facilitates dataflow modeling and pipelined execution. We hope that this comparison study not only helps researchers select a language or tool that meets their specific needs, but also offers some insight on how a workflow language and tool can fulfill the requirement of the scientific community.

PMID:
20625534
[PubMed]
PMCID:
PMC2901112
Free PMC Article

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