Extending Grid-Based Workflow Tools With Patterns/Operators

  • Authors:
  • Cecilia Gomes;Omer F. Rana;Jose Cunha

  • Affiliations:
  • CITI CENTER, UNIVERSIDADE NOVA DE LISBOA, PORTUGAL;SCHOOL OF COMPUTER SCIENCE/WELSH E-SCIENCE CENTER, CARDIFFUNIVERSITY, UK;CITI CENTER, UNIVERSIDADE NOVA DE LISBOA, PORTUGAL

  • Venue:
  • International Journal of High Performance Computing Applications
  • Year:
  • 2008

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Abstract

Many grid applications involve combining computational and dataaccess components into complex workflows. A distinction isgenerally made between mechanisms to compose components (referredto as build-time functions) and subsequent mechanisms to executethese components on distributed resources (referred to as run-timefunctions). An approach to supporting such build- and run-timefunctions using specialist patterns and operators is presented."Structural" patterns may be treated as meta-components within aworkflow system, and used within the composition process.Subsequently, such components may be scheduled for execution using"behavioral" patterns via the enactment process. Applicationexamples are presented to demonstrate how such patterns - andsubsequently operators - may be used. Their implementation withinthe Triana Problem Solving Environment is also described.