Aggregate Quality of Service Computation for Composite Services

  • Marlon Dumas
  • Luciano García-Bañuelos
  • Artem Polyvyanyy
  • Yong Yang
  • Liang Zhang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6470)

Abstract

This paper addresses the problem of computing the aggregate QoS of a composite service given the QoS of the services participating in the composition. Previous solutions to this problem are restricted to composite services with well-structured orchestration models. Yet, in existing languages such as WS-BPEL and BPMN, orchestration models may be unstructured. This paper lifts this limitation by providing equations to compute the aggregate QoS for general types of irreducible unstructured regions in orchestration models. In conjunction with existing algorithms for decomposing business process models into single-entry-single-exit regions, these functions allow us to cover a larger set of orchestration models than existing QoS aggregation techniques.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Marlon Dumas
    • 2
  • Luciano García-Bañuelos
    • 2
  • Artem Polyvyanyy
    • 3
  • Yong Yang
    • 1
  • Liang Zhang
    • 1
  1. 1.School of Computer ScienceFudan UniversityChina
  2. 2.Institute of Computer ScienceUniversity of TartuEstonia
  3. 3.Hasso Plattner InstituteUniversity of PotsdamGermany

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