Synchronizing copies of external data in workflow management systems

Authors:
Johann Eder;Marek Lehmann
Affiliations:
Department of Informatics-Systems, Alps-Adria University Klagenfurt;Department of Informatics-Systems, Alps-Adria University Klagenfurt
Venue:
CAiSE'05 Proceedings of the 17th international conference on Advanced Information Systems Engineering
Year:
2005

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Abstract

Workflow management systems integrate applications and data resources in business processes. Frequently they have to keep local copies of data in the so called workflow repository. We introduce and define synchronization policies for these copies with their external data sources ranging from the provision of fully synchronized replications of external data sources to unsynchronized storage of read results. We analyze in detail the effects of combining various pull and push policies and show in an example how these policies can be used in different situations.