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A Policy Description Language for Exception Handling in Service-Based Processes

Excerpt

Policy description languages (PDL) are the basis of policy-driven exception handling for Service-based processes. Due to the lack of existing policy languages representing capacities for exception handling, this paper presents WS-Policy4SPEH, a new PDL for exception handling in Service-based processes. Based on the Web Services Policy Framework, this language extended the specifications of effects in ECA rules; defined a variety of action patterns that support in details the exception handling and flexibly specified the return modes and the exception propagation after exception handling. The paper adopted XML as a meta-language for specifying WS-Policy4SPEH, with a reasonable scalability.

  • Abstract
  • Keywords
  • 1 Introduction
  • 2 Related works
  • 3 Service-based Processes Exception Handling policy model
  • 4 WS-Policy4SPEH
  • 5 Case study
  • 6 Summary and Future works
  • References

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