Specifying Complex Process Control Aspects in Workflows for Exception Handling.

Arthur H. M. ter Hofstede, Alistair P. Barros: Specifying Complex Process Control Aspects in Workflows for Exception Handling. DASFAA 1999: 53-60
  author    = {Arthur H. M. ter Hofstede and
               Alistair P. Barros},
  editor    = {Arbee L. P. Chen and
               Frederick H. Lochovsky},
  title     = {Specifying Complex Process Control Aspects in Workflows for Exception
  booktitle = {Database Systems for Advanced Applications, Proceedings of the
               Sixth International Conference on Database Systems for Advanced
               Applications (DASFAA), April 19-21, Hsinchu, Taiwan},
  publisher = {IEEE Computer Society},
  year      = {1999},
  isbn      = {0-7695-0084-6},
  pages     = {53-60},
  ee        = {db/conf/dasfaa/HofstedeB99.html},
  crossref  = {DBLP:conf/dasfaa/99},
  bibsource = {DBLP,}


Contemporary specification languages of workflow management systems focus on capturing process execution semantics. Constructs are offered that allow the specification of sequential execution, iteration, choice, parallelism and synchronisation. While in workflow modelling it is absolutely imperative that exceptions are dealt with properly, virtually no support for the specification of exception handling is offered at the conceptual level. Typically, exceptions and recovery strategies need to be defined using the programming primitives of the specific workflow management systems used. In this paper we propose a number of conceptual modelling primitives that can be used for the specification of exception handling in workflows. These primitives are illustrated using some real-life examples. A formal semantics is assigned to precisely define their meaning and demonstrating how they can be incorporated in a typical process modelling language.

Copyright © 1999 by The Institute of Electrical and Electronic Engineers, Inc. (IEEE). Abstract used with permission.


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