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- Title
A Comparison of Using Taverna and BPEL in Building Scientific Workflows: the case of caGrid.
- Authors
Tan, Wei; Missier, Paolo; Foster, Ian; Madduri, Ravi; Goble, Carole
- 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.
- Publication
Concurrency and computation : practice & experience, 2010, Vol 22, Issue 9, p1098
- ISSN
1532-0626
- Publication type
Journal Article
- DOI
10.1002/cpe.1547