Integrating existing scientific workflow systems: the Kepler/Pegasus example

Authors:
Nandita Mandal;Ewa Deelman;Gaurang Mehta;Mei-Hui Su;Karan Vahi
Affiliations:
USC Information Sciences Institute, Marina del Rey, CA;USC Information Sciences Institute, Marina del Rey, CA;USC Information Sciences Institute, Marina del Rey, CA;USC Information Sciences Institute, Marina del Rey, CA;USC Information Sciences Institute, Marina del Rey, CA
Venue:
Proceedings of the 2nd workshop on Workflows in support of large-scale science
Year:
2007

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Abstract

Scientific workflows have become an important tool used by scientists to conduct large-scale analysis in distributed environments. Today thereare a variety of workflow systems that provide an often disjoint set of capabilities and expose different workflow modeling semantics to the users. In this paper we examine the possibility of integrating two well-known workflow systems Kepler and Pegasus and examine the opportunities and challenges presented by such an integration. We illustrate the combined system on a workflow used as a basis of a provenance challenge.