Automatic Data Reuse in Grid Workflow Composition

  • Authors:

  • Ondrej Habala;Branislav Simo;Emil Gatial;Ladislav Hluchy

  • Affiliations:

  • Institute of Informatics, Slovak Academy of Sciences, Bratislava, Slovakia 84507;Institute of Informatics, Slovak Academy of Sciences, Bratislava, Slovakia 84507;Institute of Informatics, Slovak Academy of Sciences, Bratislava, Slovakia 84507;Institute of Informatics, Slovak Academy of Sciences, Bratislava, Slovakia 84507

  • Venue:
  • ICCS '08 Proceedings of the 8th international conference on Computational Science, Part I
  • Year:
  • 2008

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Abstract

Many papers, research projects, and software products have tackled the problem of automatic composition of a workflow of computer processes, which computes certain data or performs a specific task. In recent years this has also gained popularity in grid computing, especially in connection with semantic description of resources usable in the workflow. However, most of the works dealing with semantically-aided workflow composition propose solutions only for workflows of processes, without the data necessary to execute them. We describe the design of a system, which will be able to find not only the processes, but also the content for their execution, based solely on the list of available resources and a description of the required target of the workflow. The solution is based on our previous work in the project K-Wf Grid, utilizes semantic description of resources by means of ontologies, and operates on a SOA-based grid composed of web services. It is being developed in the context of a project called SEMCO-WS.