Default α-Logic for Modeling Customizable Failure Semantics in Workflow Systems Using Dynamic Reconfiguration Constraints

  • Hasan Davulcu
  • Supratik Mukhopadhyay
  • Prabhdeep Singh
  • Stephen S. Yau
Part of the Communications in Computer and Information Science book series (CCIS, volume 63)


In this paper, we propose a logic based framework to handle failures that occur during the execution of workflows by encoding the failures in formalism of a default normal modal logic. Default logic provides a set of rules for adding premises to logical arguments. Since the specifications of services are encoded in α-logic, defaults can be added to this logic to accommodate the failure semantics for the predicates. We encode predicate failures as predicates and provide a dynamic proof system that handles failures at the execution time. Workflow adaptations are re-synthesized from proofs in our logic using a Curry-Howard style correspondence.


Adaptive Workflows Failure Semantics Default Modal Logic 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Hasan Davulcu
    • 1
  • Supratik Mukhopadhyay
    • 2
  • Prabhdeep Singh
    • 1
  • Stephen S. Yau
    • 1
  1. 1.Arizona State UniversityTempeUSA
  2. 2.Utah State UniversityLoganUSA

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